Merge branch 'main' into update-openapi-spec-v0.5.25

.github/scripts/check_sdk_methods.py

@@ -38,7 +38,7 @@ def main():
         tree = ast.parse(file.read())
 
     classes = find_classes(tree)
-
+  
     def is_sync(class_spec: Tuple[str, List[str]]) -> bool:
         return class_spec[0].startswith("Sync")
 

.github/workflows/_integration_test.yml

@@ -32,7 +32,7 @@ jobs:
       run:
         working-directory: libs/cli
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v5
       - name: Get changed files
         id: changed-files
         uses: Ana06/get-changed-files@v2.3.0

.github/workflows/_lint.yml

@@ -31,7 +31,7 @@ jobs:
           - "3.12"
     name: "lint #${{ matrix.python-version }}"
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v5
       - name: Get changed files
         id: changed-files
         uses: Ana06/get-changed-files@v2.3.0

.github/workflows/_test.yml

@@ -25,7 +25,7 @@ jobs:
 
     name: "test #${{ matrix.python-version }}"
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v5
       - name: Set up Python ${{ matrix.python-version }}
         uses: astral-sh/setup-uv@v7
         with:

.github/workflows/_test_langgraph.yml

@@ -23,7 +23,7 @@ jobs:
         working-directory: libs/langgraph
     name: "test #${{ matrix.python-version }}"
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v5
       - name: Set up Python ${{ matrix.python-version }}
         uses: astral-sh/setup-uv@v7
         with:

.github/workflows/_test_release.yml

@@ -23,7 +23,7 @@ jobs:
       version: ${{ steps.check-version.outputs.version }}
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v5
 
       - name: Set up Python $${ env.PYTHON_VERSION }}
         uses: astral-sh/setup-uv@v7
@@ -74,7 +74,7 @@ jobs:
       id-token: write
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v5
 
       - uses: actions/download-artifact@v6
         with:

.github/workflows/baseline.yml

@@ -17,7 +17,7 @@ jobs:
       run:
         working-directory: libs/langgraph
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v5
       - run: SHA=$(git rev-parse HEAD) && echo "SHA=$SHA" >> $GITHUB_ENV
       - name: Set up Python 3.11
         uses: astral-sh/setup-uv@v7

.github/workflows/bench.yml

@@ -15,7 +15,7 @@ jobs:
       run:
         working-directory: libs/langgraph
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v5
       - id: files
         name: Get changed files
         uses: Ana06/get-changed-files@v2.3.0

.github/workflows/ci.yml

@@ -27,7 +27,7 @@ jobs:
       python: ${{ steps.filter.outputs.python }}
       deps: ${{ steps.filter.outputs.deps }}
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v5
       - uses: dorny/paths-filter@v3
         id: filter
         with:
@@ -100,7 +100,7 @@ jobs:
     name: "Check SDK methods matching"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v5
       - name: Set up Python
         uses: actions/setup-python@v6
         with:
@@ -118,7 +118,7 @@ jobs:
         python-version:
           - "3.11"
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v5
       - name: Set up Python ${{ matrix.python-version }}
         uses: astral-sh/setup-uv@v7
         with:

.github/workflows/codespell.yml

@@ -21,7 +21,7 @@
     
         steps:
           - name: Checkout
-            uses: actions/checkout@v6
+            uses: actions/checkout@v5
     
           - name: Install Dependencies
             run: |

.github/workflows/deploy_docs.yml

@@ -0,0 +1,72 @@
+name: Deploy Docs Redirects
+
+on:
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
+
+defaults:
+  run:
+    working-directory: docs
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10 # Job will be cancelled if it runs for more than 10 minutes
+    env:
+      GITHUB_TOKEN: ${{ secrets.MKDOCS_GITHUB_TOKEN }}
+    steps:
+      - uses: actions/checkout@v5
+        with:
+          fetch-depth: 0
+
+      - name: Set up Python
+        uses: astral-sh/setup-uv@v7
+        with:
+          python-version: "3.12"
+          enable-cache: true
+          cache-suffix: "docs"
+
+      - name: Install dependencies
+        run: |
+          yarn
+          uv sync --all-groups
+          # we run this installation only for internal PRs
+          # as GITHUB_TOKEN is not available for PRs from outside contributors
+          if [ -n "${GITHUB_TOKEN}" ]; then
+            uv run pip install "git+https://${GITHUB_TOKEN}@github.com/langchain-ai/mkdocs-material-insiders.git"
+          fi
+
+      - name: Build llms-text
+        run: make llms-text
+
+      - name: Build site (redirects only)
+        run: make build-docs
+        env:
+          OPENAI_API_KEY: sf-proj-1234567890 # fake placeholder, shouldn't actually be used
+          ANTHROPIC_API_KEY: sk-ant-api03-1234567890 # fake placeholder, shouldn't actually be used
+
+      - name: Configure GitHub Pages
+        if: github.ref == 'refs/heads/main'
+        uses: actions/configure-pages@v5
+
+      - name: Upload Pages Artifact
+        if: github.ref == 'refs/heads/main'
+        uses: actions/upload-pages-artifact@v4
+        with:
+          path: ./docs/site/
+
+      - name: Deploy to GitHub Pages
+        if: github.ref == 'refs/heads/main'
+        id: deployment
+        uses: actions/deploy-pages@v4

.github/workflows/link_check.yml

@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0
 
@@ -36,7 +36,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v5
         with:
           fetch-depth: 1
 

.github/workflows/release.yml

@@ -25,7 +25,7 @@ jobs:
       tag: ${{ steps.check-version.outputs.tag }}
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v5
 
       - name: Set up Python
         uses: astral-sh/setup-uv@v7
@@ -86,7 +86,7 @@ jobs:
     outputs:
       release-body: ${{ steps.generate-release-body.outputs.release-body }}
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v5
         with:
           repository: langchain-ai/langgraph
           path: langgraph
@@ -157,7 +157,7 @@ jobs:
       - test-pypi-publish
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v5
 
       # We explicitly *don't* set up caching here. This ensures our tests are
       # maximally sensitive to catching breakage.
@@ -260,7 +260,7 @@ jobs:
         working-directory: ${{ inputs.working-directory }}
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v5
 
       - name: Set up Python
         uses: astral-sh/setup-uv@v7
@@ -301,7 +301,7 @@ jobs:
         working-directory: ${{ inputs.working-directory }}
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v5
 
       - name: Set up Python
         uses: astral-sh/setup-uv@v7
@@ -322,6 +322,5 @@ jobs:
           token: ${{ secrets.GITHUB_TOKEN }}
           generateReleaseNotes: false
           tag: ${{needs.build.outputs.tag}}
-          name: ${{ needs.build.outputs.pkg-name }}==${{ needs.build.outputs.version }}
           body: ${{ needs.release-notes.outputs.release-body }}
           commit: ${{ github.sha }}

.github/workflows/run_notebooks.yml

@@ -28,7 +28,7 @@ jobs:
           - "latest"
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v5
       - name: Set up Python + Poetry
         uses: astral-sh/setup-uv@v7
         with:

.github/workflows/uv_lock_ugprade.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v5
       
       - name: Set up uv
         uses: astral-sh/setup-uv@v7

README.md

@@ -67,7 +67,7 @@ While LangGraph can be used standalone, it also integrates seamlessly with any L
 - [LangChain](https://docs.langchain.com/oss/python/langchain/overview) – Provides integrations and composable components to streamline LLM application development.
 
 > [!NOTE]
-> Looking for the JS version of LangGraph? See the [JS repo](https://github.com/langchain-ai/langgraphjs) and the [JS docs](https://docs.langchain.com/oss/javascript/langgraph/overview).
+> Looking for the JS version of LangGraph? See the [JS repo](https://github.com/langchain-ai/langgraphjs) and the [JS docs](https://langchain-ai.github.io/langgraphjs/).
 
 ## Additional resources
 

docs/_scripts/js_translation/codeblocks/yarn.lock

@@ -2340,13 +2340,13 @@ __metadata:
   linkType: hard
 
 "js-yaml@npm:^4.1.0":
-  version: 4.1.1
-  resolution: "js-yaml@npm:4.1.1"
+  version: 4.1.0
+  resolution: "js-yaml@npm:4.1.0"
   dependencies:
     argparse: "npm:^2.0.1"
   bin:
     js-yaml: bin/js-yaml.js
-  checksum: 10c0/561c7d7088c40a9bb53cc75becbfb1df6ae49b34b5e6e5a81744b14ae8667ec564ad2527709d1a6e7d5e5fa6d483aa0f373a50ad98d42fde368ec4a190d4fae7
+  checksum: 10c0/184a24b4eaacfce40ad9074c64fd42ac83cf74d8c8cd137718d456ced75051229e5061b8633c3366b8aada17945a7a356b337828c19da92b51ae62126575018f
   languageName: node
   linkType: hard
 

libs/checkpoint/langgraph/checkpoint/memory/__init__.py

@@ -97,8 +97,7 @@ class InMemorySaver(
             self.stack.enter_context(self.blobs)  # type: ignore[arg-type]
 
     def __enter__(self) -> InMemorySaver:
-        self.stack.__enter__()
-        return self
+        return self.stack.__enter__()
 
     def __exit__(
         self,
@@ -109,8 +108,7 @@ class InMemorySaver(
         return self.stack.__exit__(exc_type, exc_value, traceback)
 
     async def __aenter__(self) -> InMemorySaver:
-        self.stack.__enter__()
-        return self
+        return self.stack.__enter__()
 
     async def __aexit__(
         self,

libs/checkpoint/langgraph/checkpoint/serde/base.py

@@ -15,7 +15,9 @@ class UntypedSerializerProtocol(Protocol):
 class SerializerProtocol(Protocol):
     """Protocol for serialization and deserialization of objects.
 
+    - `dumps`: Serialize an object to bytes.
     - `dumps_typed`: Serialize an object to a tuple `(type, bytes)`.
+    - `loads`: Deserialize an object from bytes.
     - `loads_typed`: Deserialize an object from a tuple `(type, bytes)`.
 
     Valid implementations include the `pickle`, `json` and `orjson` modules.

libs/checkpoint/tests/test_memory.py

@@ -188,14 +188,7 @@ class TestMemorySaver:
         assert len(search_results_4) == 0
 
 
-async def test_memory_saver() -> None:
+def test_memory_saver() -> None:
     from langgraph.checkpoint.memory import InMemorySaver
 
-    memory_saver = InMemorySaver()
-    assert isinstance(memory_saver, InMemorySaver)
-
-    async with memory_saver as async_memory_saver:
-        assert async_memory_saver is memory_saver
-
-    with memory_saver as sync_memory_saver:
-        assert sync_memory_saver is memory_saver
+    assert isinstance(InMemorySaver(), InMemorySaver)

libs/cli/generate_schema.py

@@ -15,7 +15,6 @@ import msgspec
 
 from langgraph_cli.schemas import (
     AuthConfig,
-    CacheConfig,
     CheckpointerConfig,
     Config,
     ConfigurableHeaderConfig,
@@ -112,7 +111,6 @@ def add_descriptions_to_schema(schema, cls):
                 SecurityConfig,
                 HttpConfig,
                 CorsConfig,
-                CacheConfig,
                 ThreadTTLConfig,
                 CheckpointerConfig,
                 SerdeConfig,

libs/cli/langgraph_cli/config.py

@@ -154,7 +154,6 @@ def validate_config(config: Config) -> Config:
         "env": config.get("env", {}),
         "store": config.get("store"),
         "auth": config.get("auth"),
-        "encryption": config.get("encryption"),
         "http": config.get("http"),
         "checkpointer": config.get("checkpointer"),
         "ui": config.get("ui"),
@@ -229,14 +228,6 @@ def validate_config(config: Config) -> Config:
                     f"Invalid auth.path format: '{auth_conf['path']}'. "
                     "Must be in format './path/to/file.py:attribute_name'"
                 )
-    # Validate encryption config
-    if encryption_conf := config.get("encryption"):
-        if "path" in encryption_conf:
-            if ":" not in encryption_conf["path"]:
-                raise ValueError(
-                    f"Invalid encryption.path format: '{encryption_conf['path']}'. "
-                    "Must be in format './path/to/file.py:attribute_name'"
-                )
     if http_conf := config.get("http"):
         if "app" in http_conf:
             if ":" not in http_conf["app"]:
@@ -623,49 +614,6 @@ def _update_auth_path(
     )
 
 
-def _update_encryption_path(
-    config_path: pathlib.Path, config: Config, local_deps: LocalDeps
-) -> None:
-    """Update encryption.path to use Docker container paths."""
-    encryption_conf = config.get("encryption")
-    if not encryption_conf or not (path_str := encryption_conf.get("path")):
-        return
-
-    module_str, sep, attr_str = path_str.partition(":")
-    if not sep or not module_str.startswith("."):
-        return  # Already validated or absolute path
-
-    resolved = config_path.parent / module_str
-    if not resolved.exists():
-        raise FileNotFoundError(
-            f"Encryption file not found: {resolved} (from {path_str})"
-        )
-    if not resolved.is_file():
-        raise IsADirectoryError(f"Encryption path must be a file: {resolved}")
-
-    # Check faux packages first (higher priority)
-    for faux_path, (_, destpath) in local_deps.faux_pkgs.items():
-        if resolved.is_relative_to(faux_path):
-            new_path = f"{destpath}/{resolved.relative_to(faux_path)}:{attr_str}"
-            encryption_conf["path"] = new_path
-            return
-
-    # Check real packages
-    for real_path in local_deps.real_pkgs:
-        if resolved.is_relative_to(real_path):
-            new_path = (
-                f"/deps/{real_path.name}/{resolved.relative_to(real_path)}:{attr_str}"
-            )
-            encryption_conf["path"] = new_path
-            return
-
-    raise ValueError(
-        f"Encryption file '{resolved}' not covered by dependencies.\n"
-        "Add its parent directory to the 'dependencies' array in your config.\n"
-        f"Current dependencies: {config['dependencies']}"
-    )
-
-
 def _update_http_app_path(
     config_path: pathlib.Path, config: Config, local_deps: LocalDeps
 ) -> None:
@@ -861,8 +809,6 @@ def python_config_to_docker(
     _update_graph_paths(config_path, config, local_deps)
     # Rewrite auth path, so it points to the correct location in the Docker container
     _update_auth_path(config_path, config, local_deps)
-    # Rewrite encryption path, so it points to the correct location in the Docker container
-    _update_encryption_path(config_path, config, local_deps)
     # Rewrite HTTP app path, so it points to the correct location in the Docker container
     _update_http_app_path(config_path, config, local_deps)
 
@@ -953,9 +899,6 @@ ADD {relpath} /deps/{name}
     if (auth_config := config.get("auth")) is not None:
         env_vars.append(f"ENV LANGGRAPH_AUTH='{json.dumps(auth_config)}'")
 
-    if (encryption_config := config.get("encryption")) is not None:
-        env_vars.append(f"ENV LANGGRAPH_ENCRYPTION='{json.dumps(encryption_config)}'")
-
     if (http_config := config.get("http")) is not None:
         env_vars.append(f"ENV LANGGRAPH_HTTP='{json.dumps(http_config)}'")
 
@@ -1079,9 +1022,6 @@ def node_config_to_docker(
     if (auth_config := config.get("auth")) is not None:
         env_vars.append(f"ENV LANGGRAPH_AUTH='{json.dumps(auth_config)}'")
 
-    if (encryption_config := config.get("encryption")) is not None:
-        env_vars.append(f"ENV LANGGRAPH_ENCRYPTION='{json.dumps(encryption_config)}'")
-
     if (http_config := config.get("http")) is not None:
         env_vars.append(f"ENV LANGGRAPH_HTTP='{json.dumps(http_config)}'")
 

libs/cli/langgraph_cli/schemas.py

@@ -233,27 +233,6 @@ class SecurityConfig(TypedDict, total=False):
     """
 
 
-class CacheConfig(TypedDict, total=False):
-    cache_keys: list[str]
-    """Optional. List of header keys to use for caching.
-    
-    Example:
-        ["user_id", "workspace_id"]
-    """
-    ttl_seconds: int
-    """Optional. Time-to-live in seconds for cached items.
-    
-    Example:
-        3600
-    """
-    max_size: int
-    """Optional. Maximum size of the cache.
-    
-    Example:
-        100
-    """
-
-
 class AuthConfig(TypedDict, total=False):
     """Configuration for custom authentication logic and how it integrates into the OpenAPI spec."""
 
@@ -290,37 +269,6 @@ class AuthConfig(TypedDict, total=False):
             ]
         }
     """
-    cache: CacheConfig
-    """Optional. Cache configuration for the server.
-    
-    Example:
-        {
-            "cache_keys": ["user_id", "workspace_id"],
-            "ttl_seconds": 3600,
-            "max_size": 100
-        }
-    """
-
-
-class EncryptionConfig(TypedDict, total=False):
-    """Configuration for custom at-rest encryption logic.
-
-    Allows you to implement custom encryption for sensitive data stored in the database,
-    including metadata fields and checkpoint blobs.
-    """
-
-    path: str
-    """Required. Path to an instance of the Encryption() class that implements custom encryption handlers.
-
-    Format: "path/to/file.py:my_encryption"
-
-    Example:
-        {
-            "encryption": {
-                "path": "./encryption.py:my_encryption"
-            }
-        }
-    """
 
 
 class CorsConfig(TypedDict, total=False):
@@ -419,12 +367,7 @@ class HttpConfig(TypedDict, total=False):
     Default is False.
     """
     disable_mcp: bool
-    """Optional. If `True`, /mcp routes are removed, disabling default support to expose the deployment as an MCP server.
-    
-    Default is False.
-    """
-    disable_a2a: bool
-    """Optional. If `True`, /a2a routes are removed, disabling default support to expose the deployment as an agent-to-agent (A2A) server.
+    """Optional. If `True`, /mcp routes are removed, disabling the MCP server.
     
     Default is False.
     """
@@ -434,17 +377,6 @@ class HttpConfig(TypedDict, total=False):
     Set to True to disable the following endpoints: /openapi.json, /info, /metrics, /docs.
     This will also make the /ok endpoint skip any DB or other checks, always returning {"ok": True}.
     
-    Default is False.
-    """
-    disable_ui: bool
-    """Optional. If `True`, /ui routes are removed, disabling the UI server.
-    
-    Default is False.
-    """
-    disable_webhooks: bool
-    """Optional. If `True`, webhooks are disabled. Runs created with an associated webhook will
-    still be executed, but the webhook event will not be sent.
-    
     Default is False.
     """
     cors: CorsConfig | None
@@ -477,12 +409,6 @@ class HttpConfig(TypedDict, total=False):
     Default is False. This flag only affects authentication behavior
     if `app` is provided and contains custom routes.
     """
-    mount_prefix: str
-    """Optional. URL prefix to prepend to all the routes.
-    
-    Example:
-        "/api"
-    """
 
 
 class Config(TypedDict, total=False):
@@ -598,16 +524,10 @@ class Config(TypedDict, total=False):
     """
 
     auth: AuthConfig | None
-    """Optional. Custom authentication config, including the path to your Python auth logic and
+    """Optional. Custom authentication config, including the path to your Python auth logic and 
     the OpenAPI security definitions it uses.
     """
 
-    encryption: EncryptionConfig | None
-    """Optional. Custom at-rest encryption config, including the path to your Python encryption logic.
-
-    Allows you to implement custom encryption for sensitive data stored in the database.
-    """
-
     http: HttpConfig | None
     """Optional. Configuration for the built-in HTTP server, controlling which custom routes are exposed
     and how cross-origin requests are handled.
@@ -630,7 +550,6 @@ __all__ = [
     "StoreConfig",
     "CheckpointerConfig",
     "AuthConfig",
-    "EncryptionConfig",
     "HttpConfig",
     "MiddlewareOrders",
     "Distros",

libs/cli/schemas/schema.json

@@ -99,17 +99,6 @@
               },
               "description": "Optional. Additional Docker instructions that will be appended to your base Dockerfile.\n\nUseful for installing OS packages, setting environment variables, etc."
             },
-            "encryption": {
-              "anyOf": [
-                {
-                  "$ref": "#/$defs/EncryptionConfig"
-                },
-                {
-                  "type": "null"
-                }
-              ],
-              "description": "Optional. Custom at-rest encryption config, including the path to your Python encryption logic.\n\nAllows you to implement custom encryption for sensitive data stored in the database.\n"
-            },
             "env": {
               "anyOf": [
                 {
@@ -303,17 +292,6 @@
               },
               "description": "Optional. Additional Docker instructions that will be appended to your base Dockerfile.\n\nUseful for installing OS packages, setting environment variables, etc."
             },
-            "encryption": {
-              "anyOf": [
-                {
-                  "$ref": "#/$defs/EncryptionConfig"
-                },
-                {
-                  "type": "null"
-                }
-              ],
-              "description": "Optional. Custom at-rest encryption config, including the path to your Python encryption logic.\n\nAllows you to implement custom encryption for sensitive data stored in the database.\n"
-            },
             "env": {
               "anyOf": [
                 {
@@ -427,10 +405,6 @@
       "description": "Configuration for custom authentication logic and how it integrates into the OpenAPI spec.",
       "type": "object",
       "properties": {
-        "cache": {
-          "$ref": "#/$defs/CacheConfig",
-          "description": "Optional. Cache configuration for the server.\n"
-        },
         "disable_studio_auth": {
           "type": "boolean",
           "description": "Optional. Whether to disable LangSmith API-key authentication for requests originating the Studio.\n\nDefaults to False, meaning that if a particular header is set, the server will verify the `x-api-key` header\nvalue is a valid API key for the deployment's workspace. If `True`, all requests will go through your custom\nauthentication logic, regardless of origin of the request.\n"
@@ -446,29 +420,6 @@
       },
       "required": []
     },
-    "CacheConfig": {
-      "title": "CacheConfig",
-      "type": "object",
-      "properties": {
-        "cache_keys": {
-          "type": "array",
-          "items": {
-            "type": "string"
-          },
-          "description": "Optional. List of header keys to use for caching.\n"
-        },
-        "max_size": {
-          "type": "integer",
-          "description": "Optional. Maximum size of the cache.\n"
-        },
-        "ttl_seconds": {
-          "type": "integer",
-          "description": "Optional. Time-to-live in seconds for cached items.\n"
-        }
-      },
-      "required": [],
-      "description": "dict() -> new empty dictionary\ndict(mapping) -> new dictionary initialized from a mapping object's\n    (key, value) pairs\ndict(iterable) -> new dictionary initialized as if via:\n    d = {}\n    for k, v in iterable:\n        d[k] = v\ndict(**kwargs) -> new dictionary initialized with the name=value pairs\n    in the keyword argument list.  For example:  dict(one=1, two=2)"
-    },
     "SecurityConfig": {
       "title": "SecurityConfig",
       "description": "Configuration for OpenAPI security definitions and requirements.\n\nUseful for specifying global or path-level authentication and authorization flows\n(e.g., OAuth2, API key headers, etc.).",
@@ -614,17 +565,6 @@
       },
       "required": []
     },
-    "EncryptionConfig": {
-      "title": "EncryptionConfig",
-      "description": "Configuration for custom at-rest encryption logic.\n\n    Allows you to implement custom encryption for sensitive data stored in the database,\n    including metadata fields and checkpoint blobs.",
-      "type": "object",
-      "properties": {
-        "path": {
-          "type": "string"
-        }
-      },
-      "required": []
-    },
     "HttpConfig": {
       "title": "HttpConfig",
       "description": "Configuration for the built-in HTTP server that powers your deployment's routes and endpoints.",
@@ -656,17 +596,13 @@
           ],
           "description": "Optional. Defines CORS restrictions. If omitted, no special rules are set and\ncross-origin behavior depends on default server settings.\n"
         },
-        "disable_a2a": {
-          "type": "boolean",
-          "description": "Optional. If `True`, /a2a routes are removed, disabling default support to expose the deployment as an agent-to-agent (A2A) server.\n\nDefault is False.\n"
-        },
         "disable_assistants": {
           "type": "boolean",
           "description": "Optional. If `True`, /assistants routes are removed from the server.\n\nDefault is False (meaning /assistants is enabled).\n"
         },
         "disable_mcp": {
           "type": "boolean",
-          "description": "Optional. If `True`, /mcp routes are removed, disabling default support to expose the deployment as an MCP server.\n\nDefault is False.\n"
+          "description": "Optional. If `True`, /mcp routes are removed, disabling the MCP server.\n\nDefault is False.\n"
         },
         "disable_meta": {
           "type": "boolean",
@@ -684,14 +620,6 @@
           "type": "boolean",
           "description": "Optional. If `True`, /threads routes are removed.\n\nDefault is False.\n"
         },
-        "disable_ui": {
-          "type": "boolean",
-          "description": "Optional. If `True`, /ui routes are removed, disabling the UI server.\n\nDefault is False.\n"
-        },
-        "disable_webhooks": {
-          "type": "boolean",
-          "description": "Optional. If `True`, webhooks are disabled. Runs created with an associated webhook will\nstill be executed, but the webhook event will not be sent.\n\nDefault is False.\n"
-        },
         "enable_custom_route_auth": {
           "type": "boolean",
           "description": "Optional. If `True`, authentication is enabled for custom routes,\nnot just the routes that are protected by default.\n(Routes protected by default include /assistants, /threads, and /runs).\n\nDefault is False. This flag only affects authentication behavior\nif `app` is provided and contains custom routes.\n"
@@ -720,10 +648,6 @@
             }
           ],
           "description": "Optional. Defines the order in which to apply server customizations.\n"
-        },
-        "mount_prefix": {
-          "type": "string",
-          "description": "Optional. URL prefix to prepend to all the routes.\n"
         }
       },
       "required": []

libs/cli/schemas/schema.v0.json

@@ -99,17 +99,6 @@
               },
               "description": "Optional. Additional Docker instructions that will be appended to your base Dockerfile.\n\nUseful for installing OS packages, setting environment variables, etc."
             },
-            "encryption": {
-              "anyOf": [
-                {
-                  "$ref": "#/$defs/EncryptionConfig"
-                },
-                {
-                  "type": "null"
-                }
-              ],
-              "description": "Optional. Custom at-rest encryption config, including the path to your Python encryption logic.\n\nAllows you to implement custom encryption for sensitive data stored in the database.\n"
-            },
             "env": {
               "anyOf": [
                 {
@@ -303,17 +292,6 @@
               },
               "description": "Optional. Additional Docker instructions that will be appended to your base Dockerfile.\n\nUseful for installing OS packages, setting environment variables, etc."
             },
-            "encryption": {
-              "anyOf": [
-                {
-                  "$ref": "#/$defs/EncryptionConfig"
-                },
-                {
-                  "type": "null"
-                }
-              ],
-              "description": "Optional. Custom at-rest encryption config, including the path to your Python encryption logic.\n\nAllows you to implement custom encryption for sensitive data stored in the database.\n"
-            },
             "env": {
               "anyOf": [
                 {
@@ -427,10 +405,6 @@
       "description": "Configuration for custom authentication logic and how it integrates into the OpenAPI spec.",
       "type": "object",
       "properties": {
-        "cache": {
-          "$ref": "#/$defs/CacheConfig",
-          "description": "Optional. Cache configuration for the server.\n"
-        },
         "disable_studio_auth": {
           "type": "boolean",
           "description": "Optional. Whether to disable LangSmith API-key authentication for requests originating the Studio.\n\nDefaults to False, meaning that if a particular header is set, the server will verify the `x-api-key` header\nvalue is a valid API key for the deployment's workspace. If `True`, all requests will go through your custom\nauthentication logic, regardless of origin of the request.\n"
@@ -446,29 +420,6 @@
       },
       "required": []
     },
-    "CacheConfig": {
-      "title": "CacheConfig",
-      "type": "object",
-      "properties": {
-        "cache_keys": {
-          "type": "array",
-          "items": {
-            "type": "string"
-          },
-          "description": "Optional. List of header keys to use for caching.\n"
-        },
-        "max_size": {
-          "type": "integer",
-          "description": "Optional. Maximum size of the cache.\n"
-        },
-        "ttl_seconds": {
-          "type": "integer",
-          "description": "Optional. Time-to-live in seconds for cached items.\n"
-        }
-      },
-      "required": [],
-      "description": "dict() -> new empty dictionary\ndict(mapping) -> new dictionary initialized from a mapping object's\n    (key, value) pairs\ndict(iterable) -> new dictionary initialized as if via:\n    d = {}\n    for k, v in iterable:\n        d[k] = v\ndict(**kwargs) -> new dictionary initialized with the name=value pairs\n    in the keyword argument list.  For example:  dict(one=1, two=2)"
-    },
     "SecurityConfig": {
       "title": "SecurityConfig",
       "description": "Configuration for OpenAPI security definitions and requirements.\n\nUseful for specifying global or path-level authentication and authorization flows\n(e.g., OAuth2, API key headers, etc.).",
@@ -614,17 +565,6 @@
       },
       "required": []
     },
-    "EncryptionConfig": {
-      "title": "EncryptionConfig",
-      "description": "Configuration for custom at-rest encryption logic.\n\n    Allows you to implement custom encryption for sensitive data stored in the database,\n    including metadata fields and checkpoint blobs.",
-      "type": "object",
-      "properties": {
-        "path": {
-          "type": "string"
-        }
-      },
-      "required": []
-    },
     "HttpConfig": {
       "title": "HttpConfig",
       "description": "Configuration for the built-in HTTP server that powers your deployment's routes and endpoints.",
@@ -656,17 +596,13 @@
           ],
           "description": "Optional. Defines CORS restrictions. If omitted, no special rules are set and\ncross-origin behavior depends on default server settings.\n"
         },
-        "disable_a2a": {
-          "type": "boolean",
-          "description": "Optional. If `True`, /a2a routes are removed, disabling default support to expose the deployment as an agent-to-agent (A2A) server.\n\nDefault is False.\n"
-        },
         "disable_assistants": {
           "type": "boolean",
           "description": "Optional. If `True`, /assistants routes are removed from the server.\n\nDefault is False (meaning /assistants is enabled).\n"
         },
         "disable_mcp": {
           "type": "boolean",
-          "description": "Optional. If `True`, /mcp routes are removed, disabling default support to expose the deployment as an MCP server.\n\nDefault is False.\n"
+          "description": "Optional. If `True`, /mcp routes are removed, disabling the MCP server.\n\nDefault is False.\n"
         },
         "disable_meta": {
           "type": "boolean",
@@ -684,14 +620,6 @@
           "type": "boolean",
           "description": "Optional. If `True`, /threads routes are removed.\n\nDefault is False.\n"
         },
-        "disable_ui": {
-          "type": "boolean",
-          "description": "Optional. If `True`, /ui routes are removed, disabling the UI server.\n\nDefault is False.\n"
-        },
-        "disable_webhooks": {
-          "type": "boolean",
-          "description": "Optional. If `True`, webhooks are disabled. Runs created with an associated webhook will\nstill be executed, but the webhook event will not be sent.\n\nDefault is False.\n"
-        },
         "enable_custom_route_auth": {
           "type": "boolean",
           "description": "Optional. If `True`, authentication is enabled for custom routes,\nnot just the routes that are protected by default.\n(Routes protected by default include /assistants, /threads, and /runs).\n\nDefault is False. This flag only affects authentication behavior\nif `app` is provided and contains custom routes.\n"
@@ -720,10 +648,6 @@
             }
           ],
           "description": "Optional. Defines the order in which to apply server customizations.\n"
-        },
-        "mount_prefix": {
-          "type": "string",
-          "description": "Optional. URL prefix to prepend to all the routes.\n"
         }
       },
       "required": []

libs/cli/tests/unit_tests/test_config.py

@@ -48,7 +48,6 @@ def test_validate_config():
         "env": {},
         "store": None,
         "auth": None,
-        "encryption": None,
         "checkpointer": None,
         "http": None,
         "ui": None,
@@ -75,7 +74,6 @@ def test_validate_config():
         "env": env,
         "store": None,
         "auth": None,
-        "encryption": None,
         "checkpointer": None,
         "http": None,
         "ui": None,
@@ -750,57 +748,6 @@ RUN (test ! -f /api/langgraph_api/js/build.mts && echo "Prebuild script not foun
     assert additional_contexts == {}
 
 
-def test_config_to_docker_python_encryption():
-    # Test that encryption config is included in validation
-    graphs = {"agent": "./agent.py:graph"}
-    validated = validate_config(
-        {
-            "python_version": "3.11",
-            "graphs": graphs,
-            "dependencies": ["."],
-            "encryption": {"path": "./encryption.py:encryption"},
-        }
-    )
-
-    # Verify that encryption config is preserved after validation
-    assert validated.get("encryption") is not None
-    assert validated["encryption"]["path"] == "./encryption.py:encryption"
-
-
-def test_config_to_docker_python_encryption_bad_path():
-    # Test that invalid encryption path format raises ValueError
-    graphs = {"agent": "./agent.py:graph"}
-    with pytest.raises(ValueError, match="Invalid encryption.path format"):
-        validate_config(
-            {
-                "python_version": "3.11",
-                "graphs": graphs,
-                "dependencies": ["."],
-                "encryption": {"path": "./encryption.py"},  # Missing :attribute
-            }
-        )
-
-
-def test_config_to_docker_python_encryption_formatted():
-    # Test that encryption config is properly formatted in Docker output
-    graphs = {"agent": "./graphs/agent.py:graph"}
-    actual_docker_stdin, additional_contexts = config_to_docker(
-        PATH_TO_CONFIG,
-        validate_config(
-            {
-                "python_version": "3.11",
-                "dependencies": ["."],
-                "graphs": graphs,
-                "encryption": {"path": "./agent.py:my_encryption"},
-            }
-        ),
-        "langchain/langgraph-api",
-    )
-    # Verify that LANGGRAPH_ENCRYPTION is in the docker output with the correct path
-    assert "LANGGRAPH_ENCRYPTION=" in actual_docker_stdin
-    assert "/deps/outer-unit_tests/unit_tests/agent.py:my_encryption" in actual_docker_stdin
-
-
 def test_config_to_docker_nodejs_internal_docker_tag():
     graphs = {"agent": "./graphs/agent.js:graph"}
     actual_docker_stdin, additional_contexts = config_to_docker(

libs/langgraph/README.md

@@ -67,7 +67,7 @@ While LangGraph can be used standalone, it also integrates seamlessly with any L
 - [LangChain](https://docs.langchain.com/oss/python/langchain/overview) – Provides integrations and composable components to streamline LLM application development.
 
 > [!NOTE]
-> Looking for the JS version of LangGraph? See the [JS repo](https://github.com/langchain-ai/langgraphjs) and the [JS docs](https://docs.langchain.com/oss/javascript/langgraph/overview).
+> Looking for the JS version of LangGraph? See the [JS repo](https://github.com/langchain-ai/langgraphjs) and the [JS docs](https://langchain-ai.github.io/langgraphjs/).
 
 ## Additional resources
 

libs/langgraph/langgraph/pregel/remote.py

@@ -725,10 +725,9 @@ class RemoteGraph(PregelProtocol):
             input = None
         else:
             command = None
-        thread_id = sanitized_config.get("configurable", {}).pop("thread_id", None)
 
         for chunk in sync_client.runs.stream(
-            thread_id=thread_id,
+            thread_id=sanitized_config["configurable"].get("thread_id"),
             assistant_id=self.assistant_id,
             input=input,
             command=command,
@@ -835,10 +834,9 @@ class RemoteGraph(PregelProtocol):
             input = None
         else:
             command = None
-        thread_id = sanitized_config.get("configurable", {}).pop("thread_id", None)
 
         async for chunk in client.runs.stream(
-            thread_id=thread_id,
+            thread_id=sanitized_config["configurable"].get("thread_id"),
             assistant_id=self.assistant_id,
             input=input,
             command=command,

libs/langgraph/pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "langgraph"
-version = "1.0.4"
+version = "1.0.3"
 description = "Building stateful, multi-actor applications with LLMs"
 authors = []
 requires-python = ">=3.10"

libs/langgraph/tests/test_large_cases.py

@@ -3271,7 +3271,7 @@ def test_root_graph(
                     content="result for query",
                     name="search_api",
                     tool_call_id="tool_call123",
-                    id="00000000-0000-4000-8000-000000000004",
+                    id="00000000-0000-4000-8000-000000000024",
                 )
             ]
         },
@@ -3294,7 +3294,7 @@ def test_root_graph(
                     content="result for another",
                     name="search_api",
                     tool_call_id="tool_call456",
-                    id="00000000-0000-4000-8000-000000000005",
+                    id="00000000-0000-4000-8000-000000000030",
                 )
             ]
         },
@@ -3898,7 +3898,7 @@ def test_root_graph(
         "__root__": [
             HumanMessage(
                 content="what is weather in sf",
-                id="00000000-0000-4000-8000-000000000008",
+                id="00000000-0000-4000-8000-000000000051",
             ),
             AIMessage(
                 content="",
@@ -3918,7 +3918,7 @@ def test_root_graph(
             ),
             AIMessage(content="answer", id="ai2"),
             AIMessage(
-                content="an extra message", id="00000000-0000-4000-8000-000000000010"
+                content="an extra message", id="00000000-0000-4000-8000-000000000066"
             ),
             HumanMessage(content="what is weather in la"),
         ],

libs/langgraph/tests/test_remote_graph.py

@@ -840,46 +840,6 @@ def test_invoke():
     assert result == {"messages": [{"type": "human", "content": "world"}]}
 
 
-def test_invoke_sanitizes_thread_id():
-    # Ensure that invoking with thread_id passes thread_id as a top-level arg
-    # and removes it from the config body.
-    mock_sync_client = MagicMock()
-    mock_sync_client.runs.stream.return_value = []
-    remote_pregel = RemoteGraph("test_graph_id", sync_client=mock_sync_client)
-
-    config = {"configurable": {"thread_id": "thread_1"}}
-    remote_pregel.invoke(
-        {"input": {"messages": [{"type": "human", "content": "hello"}]}}, config
-    )
-
-    assert mock_sync_client.runs.stream.called
-    _, kwargs = mock_sync_client.runs.stream.call_args
-    assert kwargs.get("thread_id") == "thread_1"
-    passed_config = kwargs.get("config") or {}
-    assert "configurable" in passed_config
-    assert "thread_id" not in passed_config["configurable"]
-    assert not passed_config["configurable"]
-
-
-def test_stream_sanitizes_thread_id():
-    # Ensure that streaming with thread_id passes thread_id as a top-level arg
-    # and removes it from the config body.
-    mock_sync_client = MagicMock()
-    mock_sync_client.runs.stream.return_value = []
-    remote_pregel = RemoteGraph("test_graph_id", sync_client=mock_sync_client)
-
-    config = {"configurable": {"thread_id": "thread_2"}}
-    list(remote_pregel.stream({"input": {"messages": []}}, config))
-
-    assert mock_sync_client.runs.stream.called
-    _, kwargs = mock_sync_client.runs.stream.call_args
-    assert kwargs.get("thread_id") == "thread_2"
-    passed_config = kwargs.get("config") or {}
-    assert "configurable" in passed_config
-    assert "thread_id" not in passed_config["configurable"]
-    assert not passed_config["configurable"]
-
-
 @pytest.mark.anyio
 async def test_ainvoke():
     # set up test
@@ -919,8 +879,8 @@ async def test_langgraph_cloud_integration():
     from langgraph.graph import END, START, MessagesState, StateGraph
 
     # create RemotePregel instance
-    client = get_client(url="http://localhost:8123")
-    sync_client = get_sync_client(url="http://localhost:8123")
+    client = get_client()
+    sync_client = get_sync_client()
     remote_pregel = RemoteGraph(
         "agent",
         client=client,

libs/sdk-py/Makefile

@@ -17,7 +17,7 @@ lint lint_diff:
 	uv run ruff check .
 	[ "$(PYTHON_FILES)" = "" ] || uv run ruff format $(PYTHON_FILES) --diff
 	[ "$(PYTHON_FILES)" = "" ] || uv run ruff check --select I $(PYTHON_FILES)
-	uv run ty check .
+	uvx ty check .
 
 format format_diff:
 	uv run ruff check --select I --fix $(PYTHON_FILES)

libs/sdk-py/langgraph_sdk/__init__.py

@@ -1,8 +1,6 @@
 from langgraph_sdk.auth import Auth
 from langgraph_sdk.client import get_client, get_sync_client
-from langgraph_sdk.encryption import Encryption
-from langgraph_sdk.encryption.types import EncryptionContext
 
-__version__ = "0.2.14"
+__version__ = "0.2.10"
 
-__all__ = ["Auth", "Encryption", "EncryptionContext", "get_client", "get_sync_client"]
+__all__ = ["Auth", "get_client", "get_sync_client"]

libs/sdk-py/langgraph_sdk/client.py

@@ -35,7 +35,6 @@ from langgraph_sdk.schema import (
     Assistant,
     AssistantSelectField,
     AssistantSortBy,
-    AssistantsSearchResponse,
     AssistantVersion,
     CancelAction,
     Checkpoint,
@@ -49,7 +48,6 @@ from langgraph_sdk.schema import (
     Durability,
     GraphSchema,
     IfNotExists,
-    Input,
     Item,
     Json,
     ListNamespaceResponse,
@@ -82,37 +80,25 @@ logger = logging.getLogger(__name__)
 
 RESERVED_HEADERS = ("x-api-key",)
 
-NOT_PROVIDED = cast(None, object())
 
-
-def _get_api_key(api_key: str | None = NOT_PROVIDED) -> str | None:
+def _get_api_key(api_key: str | None = None) -> str | None:
     """Get the API key from the environment.
     Precedence:
-        1. explicit string argument
-        2. LANGGRAPH_API_KEY (if api_key not provided)
-        3. LANGSMITH_API_KEY (if api_key not provided)
-        4. LANGCHAIN_API_KEY (if api_key not provided)
-
-    Args:
-        api_key: The API key to use. Can be:
-            - A string: use this exact API key
-            - None: explicitly skip loading from environment
-            - NOT_PROVIDED (default): auto-load from environment variables
+        1. explicit argument
+        2. LANGGRAPH_API_KEY
+        3. LANGSMITH_API_KEY
+        4. LANGCHAIN_API_KEY
     """
-    if isinstance(api_key, str):
+    if api_key:
         return api_key
-    if api_key is NOT_PROVIDED:
-        # api_key is not explicitly provided, try to load from environment
-        for prefix in ["LANGGRAPH", "LANGSMITH", "LANGCHAIN"]:
-            if env := os.getenv(f"{prefix}_API_KEY"):
-                return env.strip().strip('"').strip("'")
-    # api_key is explicitly None, don't load from environment
-    return None
+    for prefix in ["LANGGRAPH", "LANGSMITH", "LANGCHAIN"]:
+        if env := os.getenv(f"{prefix}_API_KEY"):
+            return env.strip().strip('"').strip("'")
+    return None  # type: ignore
 
 
 def _get_headers(
-    api_key: str | None,
-    custom_headers: Mapping[str, str] | None,
+    api_key: str | None, custom_headers: Mapping[str, str] | None
 ) -> dict[str, str]:
     """Combine api_key and custom user-provided headers."""
     custom_headers = custom_headers or {}
@@ -124,9 +110,9 @@ def _get_headers(
         "User-Agent": f"langgraph-sdk-py/{langgraph_sdk.__version__}",
         **custom_headers,
     }
-    resolved_api_key = _get_api_key(api_key)
-    if resolved_api_key:
-        headers["x-api-key"] = resolved_api_key
+    api_key = _get_api_key(api_key)
+    if api_key:
+        headers["x-api-key"] = api_key
 
     return headers
 
@@ -177,7 +163,7 @@ def _get_run_metadata_from_response(
 def get_client(
     *,
     url: str | None = None,
-    api_key: str | None = NOT_PROVIDED,
+    api_key: str | None = None,
     headers: Mapping[str, str] | None = None,
     timeout: TimeoutTypes | None = None,
 ) -> LangGraphClient:
@@ -190,16 +176,14 @@ def get_client(
         url:
             Base URL of the LangGraph API.
             - If `None`, the client first attempts an in-process connection via ASGI transport.
-              If that fails, it defers registration until after app initialization. This
-              only works if the client is used from within the Agent server.
+              If that fails, it falls back to `http://localhost:8123`.
         api_key:
-            API key for authentication. Can be:
-              - A string: use this exact API key
-              - `None`: explicitly skip loading from environment variables
-              - Not provided (default): auto-load from environment in this order:
-                1. `LANGGRAPH_API_KEY`
-                2. `LANGSMITH_API_KEY`
-                3. `LANGCHAIN_API_KEY`
+            API key for authentication. If omitted, the client reads from environment
+            variables in the following order:
+              1. Function argument
+              2. `LANGGRAPH_API_KEY`
+              3. `LANGSMITH_API_KEY`
+              4. `LANGCHAIN_API_KEY`
         headers:
             Additional HTTP headers to include in requests. Merged with authentication headers.
         timeout:
@@ -240,38 +224,23 @@ def get_client(
                 input={"messages": [{"role": "user", "content": "Foo"}]},
             )
         ```
-
-    ???+ example "Skip auto-loading API key from environment:"
-
-        ```python
-        from langgraph_sdk import get_client
-
-        # Don't load API key from environment variables
-        client = get_client(
-            url="http://localhost:8123",
-            api_key=None
-        )
-        ```
     """
 
     transport: httpx.AsyncBaseTransport | None = None
     if url is None:
-        url = "http://api"
         if os.environ.get("__LANGGRAPH_DEFER_LOOPBACK_TRANSPORT") == "true":
             transport = get_asgi_transport()(app=None, root_path="/noauth")
             _registered_transports.append(transport)
+            url = "http://api"
         else:
             try:
                 from langgraph_api.server import app  # type: ignore
 
+                url = "http://api"
+
                 transport = get_asgi_transport()(app, root_path="/noauth")
             except Exception:
-                logger.debug(
-                    "Failed to connect to in-process LangGraph server. Deferring configuration.",
-                    exc_info=True,
-                )
-                transport = get_asgi_transport()(app=None, root_path="/noauth")
-                _registered_transports.append(transport)
+                url = "http://localhost:8123"
 
     if transport is None:
         transport = httpx.AsyncHTTPTransport(retries=5)
@@ -1059,7 +1028,6 @@ class AssistantsClient:
             f"/assistants/{assistant_id}", headers=headers, params=params
         )
 
-    @overload
     async def search(
         self,
         *,
@@ -1071,43 +1039,9 @@ class AssistantsClient:
         sort_by: AssistantSortBy | None = None,
         sort_order: SortOrder | None = None,
         select: list[AssistantSelectField] | None = None,
-        response_format: Literal["object"],
         headers: Mapping[str, str] | None = None,
         params: QueryParamTypes | None = None,
-    ) -> AssistantsSearchResponse: ...
-
-    @overload
-    async def search(
-        self,
-        *,
-        metadata: Json = None,
-        graph_id: str | None = None,
-        name: str | None = None,
-        limit: int = 10,
-        offset: int = 0,
-        sort_by: AssistantSortBy | None = None,
-        sort_order: SortOrder | None = None,
-        select: list[AssistantSelectField] | None = None,
-        response_format: Literal["array"] = "array",
-        headers: Mapping[str, str] | None = None,
-        params: QueryParamTypes | None = None,
-    ) -> list[Assistant]: ...
-
-    async def search(
-        self,
-        *,
-        metadata: Json = None,
-        graph_id: str | None = None,
-        name: str | None = None,
-        limit: int = 10,
-        offset: int = 0,
-        sort_by: AssistantSortBy | None = None,
-        sort_order: SortOrder | None = None,
-        select: list[AssistantSelectField] | None = None,
-        response_format: Literal["array", "object"] = "array",
-        headers: Mapping[str, str] | None = None,
-        params: QueryParamTypes | None = None,
-    ) -> AssistantsSearchResponse | list[Assistant]:
+    ) -> list[Assistant]:
         """Search for assistants.
 
         Args:
@@ -1120,38 +1054,24 @@ class AssistantsClient:
             offset: The number of results to skip.
             sort_by: The field to sort by.
             sort_order: The order to sort by.
-            select: Specific assistant fields to include in the response.
-            response_format: Controls the response shape. Use ``"array"`` (default)
-                to return a bare list of assistants, or ``"object"`` to return
-                a mapping containing assistants plus pagination metadata.
-                Defaults to "array", though this default will be changed to "object" in a future release.
             headers: Optional custom headers to include with the request.
             params: Optional query parameters to include with the request.
 
         Returns:
-            A list of assistants (when ``response_format=\"array\"``) or a mapping
-            with the assistants and the next pagination cursor (when
-            ``response_format=\"object\"``).
+            A list of assistants.
 
         ???+ example "Example Usage"
 
             ```python
             client = get_client(url="http://localhost:2024")
-            response = await client.assistants.search(
+            assistants = await client.assistants.search(
                 metadata = {"name":"my_name"},
                 graph_id="my_graph_id",
                 limit=5,
-                offset=5,
-                response_format="object"
+                offset=5
             )
-            next_cursor = response["next"]
-            assistants = response["assistants"]
             ```
         """
-        if response_format not in ("array", "object"):
-            raise ValueError(
-                f"response_format must be 'array' or 'object', got {response_format!r}"
-            )
         payload: dict[str, Any] = {
             "limit": limit,
             "offset": offset,
@@ -1168,25 +1088,12 @@ class AssistantsClient:
             payload["sort_order"] = sort_order
         if select:
             payload["select"] = select
-        next_cursor: str | None = None
-
-        def capture_pagination(response: httpx.Response) -> None:
-            nonlocal next_cursor
-            next_cursor = response.headers.get("X-Pagination-Next")
-
-        assistants = cast(
-            list[Assistant],
-            await self.http.post(
-                "/assistants/search",
-                json=payload,
-                headers=headers,
-                params=params,
-                on_response=capture_pagination if response_format == "object" else None,
-            ),
+        return await self.http.post(
+            "/assistants/search",
+            json=payload,
+            headers=headers,
+            params=params,
         )
-        if response_format == "object":
-            return {"assistants": assistants, "next": next_cursor}
-        return assistants
 
     async def count(
         self,
@@ -1974,7 +1881,7 @@ class RunsClient:
         thread_id: str,
         assistant_id: str,
         *,
-        input: Input | None = None,
+        input: Mapping[str, Any] | None = None,
         command: Command | None = None,
         stream_mode: StreamMode | Sequence[StreamMode] = "values",
         stream_subgraphs: bool = False,
@@ -2004,7 +1911,7 @@ class RunsClient:
         thread_id: None,
         assistant_id: str,
         *,
-        input: Input | None = None,
+        input: Mapping[str, Any] | None = None,
         command: Command | None = None,
         stream_mode: StreamMode | Sequence[StreamMode] = "values",
         stream_subgraphs: bool = False,
@@ -2030,7 +1937,7 @@ class RunsClient:
         thread_id: str | None,
         assistant_id: str,
         *,
-        input: Input | None = None,
+        input: Mapping[str, Any] | None = None,
         command: Command | None = None,
         stream_mode: StreamMode | Sequence[StreamMode] = "values",
         stream_subgraphs: bool = False,
@@ -2189,7 +2096,7 @@ class RunsClient:
         thread_id: None,
         assistant_id: str,
         *,
-        input: Input | None = None,
+        input: Mapping[str, Any] | None = None,
         command: Command | None = None,
         stream_mode: StreamMode | Sequence[StreamMode] = "values",
         stream_subgraphs: bool = False,
@@ -2215,7 +2122,7 @@ class RunsClient:
         thread_id: str,
         assistant_id: str,
         *,
-        input: Input | None = None,
+        input: Mapping[str, Any] | None = None,
         command: Command | None = None,
         stream_mode: StreamMode | Sequence[StreamMode] = "values",
         stream_subgraphs: bool = False,
@@ -2242,7 +2149,7 @@ class RunsClient:
         thread_id: str | None,
         assistant_id: str,
         *,
-        input: Input | None = None,
+        input: Mapping[str, Any] | None = None,
         command: Command | None = None,
         stream_mode: StreamMode | Sequence[StreamMode] = "values",
         stream_subgraphs: bool = False,
@@ -2444,7 +2351,7 @@ class RunsClient:
         thread_id: str,
         assistant_id: str,
         *,
-        input: Input | None = None,
+        input: Mapping[str, Any] | None = None,
         command: Command | None = None,
         metadata: Mapping[str, Any] | None = None,
         config: Config | None = None,
@@ -2471,7 +2378,7 @@ class RunsClient:
         thread_id: None,
         assistant_id: str,
         *,
-        input: Input | None = None,
+        input: Mapping[str, Any] | None = None,
         command: Command | None = None,
         metadata: Mapping[str, Any] | None = None,
         config: Config | None = None,
@@ -2495,7 +2402,7 @@ class RunsClient:
         thread_id: str | None,
         assistant_id: str,
         *,
-        input: Input | None = None,
+        input: Mapping[str, Any] | None = None,
         command: Command | None = None,
         metadata: Mapping[str, Any] | None = None,
         config: Config | None = None,
@@ -2968,7 +2875,7 @@ class CronClient:
         assistant_id: str,
         *,
         schedule: str,
-        input: Input | None = None,
+        input: Mapping[str, Any] | None = None,
         metadata: Mapping[str, Any] | None = None,
         config: Config | None = None,
         context: Context | None = None,
@@ -3051,7 +2958,7 @@ class CronClient:
         assistant_id: str,
         *,
         schedule: str,
-        input: Input | None = None,
+        input: Mapping[str, Any] | None = None,
         metadata: Mapping[str, Any] | None = None,
         config: Config | None = None,
         context: Context | None = None,
@@ -3563,7 +3470,7 @@ class StoreClient:
 def get_sync_client(
     *,
     url: str | None = None,
-    api_key: str | None = NOT_PROVIDED,
+    api_key: str | None = None,
     headers: Mapping[str, str] | None = None,
     timeout: TimeoutTypes | None = None,
 ) -> SyncLangGraphClient:
@@ -3571,13 +3478,12 @@ def get_sync_client(
 
     Args:
         url: The URL of the LangGraph API.
-        api_key: API key for authentication. Can be:
-            - A string: use this exact API key
-            - `None`: explicitly skip loading from environment variables
-            - Not provided (default): auto-load from environment in this order:
-                1. `LANGGRAPH_API_KEY`
-                2. `LANGSMITH_API_KEY`
-                3. `LANGCHAIN_API_KEY`
+        api_key: The API key. If not provided, it will be read from the environment.
+            Precedence:
+                1. explicit argument
+                2. LANGGRAPH_API_KEY
+                3. LANGSMITH_API_KEY
+                4. LANGCHAIN_API_KEY
         headers: Optional custom headers
         timeout: Optional timeout configuration for the HTTP client.
             Accepts an httpx.Timeout instance, a float (seconds), or a tuple of timeouts.
@@ -3598,18 +3504,6 @@ def get_sync_client(
         # example usage: client.<model>.<method_name>()
         assistant = client.assistants.get(assistant_id="some_uuid")
         ```
-
-    ???+ example "Skip auto-loading API key from environment:"
-
-        ```python
-        from langgraph_sdk import get_sync_client
-
-        # Don't load API key from environment variables
-        client = get_sync_client(
-            url="http://localhost:8123",
-            api_key=None
-        )
-        ```
     """
 
     if url is None:
@@ -4395,7 +4289,6 @@ class SyncAssistantsClient:
         """
         self.http.delete(f"/assistants/{assistant_id}", headers=headers, params=params)
 
-    @overload
     def search(
         self,
         *,
@@ -4407,43 +4300,9 @@ class SyncAssistantsClient:
         sort_by: AssistantSortBy | None = None,
         sort_order: SortOrder | None = None,
         select: list[AssistantSelectField] | None = None,
-        response_format: Literal["object"],
         headers: Mapping[str, str] | None = None,
         params: QueryParamTypes | None = None,
-    ) -> AssistantsSearchResponse: ...
-
-    @overload
-    def search(
-        self,
-        *,
-        metadata: Json = None,
-        graph_id: str | None = None,
-        name: str | None = None,
-        limit: int = 10,
-        offset: int = 0,
-        sort_by: AssistantSortBy | None = None,
-        sort_order: SortOrder | None = None,
-        select: list[AssistantSelectField] | None = None,
-        response_format: Literal["array"] = "array",
-        headers: Mapping[str, str] | None = None,
-        params: QueryParamTypes | None = None,
-    ) -> list[Assistant]: ...
-
-    def search(
-        self,
-        *,
-        metadata: Json = None,
-        graph_id: str | None = None,
-        name: str | None = None,
-        limit: int = 10,
-        offset: int = 0,
-        sort_by: AssistantSortBy | None = None,
-        sort_order: SortOrder | None = None,
-        select: list[AssistantSelectField] | None = None,
-        response_format: Literal["array", "object"] = "array",
-        headers: Mapping[str, str] | None = None,
-        params: QueryParamTypes | None = None,
-    ) -> AssistantsSearchResponse | list[Assistant]:
+    ) -> list[Assistant]:
         """Search for assistants.
 
         Args:
@@ -4454,37 +4313,23 @@ class SyncAssistantsClient:
                 The filtering logic will match assistants where 'name' is a substring (case insensitive) of the assistant name.
             limit: The maximum number of results to return.
             offset: The number of results to skip.
-            sort_by: The field to sort by.
-            sort_order: The order to sort by.
-            select: Specific assistant fields to include in the response.
-            response_format: Controls the response shape. Use ``"array"`` (default)
-                to return a bare list of assistants, or ``"object"`` to return
-                a mapping containing assistants plus pagination metadata.
-                Defaults to "array", though this default will be changed to "object" in a future release.
             headers: Optional custom headers to include with the request.
 
         Returns:
-            A list of assistants (when ``response_format=\"array\"``) or a mapping
-            with the assistants and the next pagination cursor (when
-            ``response_format=\"object\"``).
+            A list of assistants.
 
         ???+ example "Example Usage"
 
             ```python
             client = get_sync_client(url="http://localhost:2024")
-            response = client.assistants.search(
+            assistants = client.assistants.search(
                 metadata = {"name":"my_name"},
                 graph_id="my_graph_id",
                 limit=5,
-                offset=5,
-                response_format="object",
+                offset=5
             )
-            assistants = response["assistants"]
-            next_cursor = response["next"]
             ```
         """
-        if response_format not in ("array", "object"):
-            raise ValueError("response_format must be 'array' or 'object'")
         payload: dict[str, Any] = {
             "limit": limit,
             "offset": offset,
@@ -4501,25 +4346,12 @@ class SyncAssistantsClient:
             payload["sort_order"] = sort_order
         if select:
             payload["select"] = select
-        next_cursor: str | None = None
-
-        def capture_pagination(response: httpx.Response) -> None:
-            nonlocal next_cursor
-            next_cursor = response.headers.get("X-Pagination-Next")
-
-        assistants = cast(
-            list[Assistant],
-            self.http.post(
-                "/assistants/search",
-                json=payload,
-                headers=headers,
-                params=params,
-                on_response=capture_pagination if response_format == "object" else None,
-            ),
+        return self.http.post(
+            "/assistants/search",
+            json=payload,
+            headers=headers,
+            params=params,
         )
-        if response_format == "object":
-            return {"assistants": assistants, "next": next_cursor}
-        return assistants
 
     def count(
         self,
@@ -5289,7 +5121,7 @@ class SyncRunsClient:
         thread_id: str,
         assistant_id: str,
         *,
-        input: Input | None = None,
+        input: Mapping[str, Any] | None = None,
         command: Command | None = None,
         stream_mode: StreamMode | Sequence[StreamMode] = "values",
         stream_subgraphs: bool = False,
@@ -5318,7 +5150,7 @@ class SyncRunsClient:
         thread_id: None,
         assistant_id: str,
         *,
-        input: Input | None = None,
+        input: Mapping[str, Any] | None = None,
         command: Command | None = None,
         stream_mode: StreamMode | Sequence[StreamMode] = "values",
         stream_subgraphs: bool = False,
@@ -5345,7 +5177,7 @@ class SyncRunsClient:
         thread_id: str | None,
         assistant_id: str,
         *,
-        input: Input | None = None,
+        input: Mapping[str, Any] | None = None,
         command: Command | None = None,
         stream_mode: StreamMode | Sequence[StreamMode] = "values",
         stream_subgraphs: bool = False,
@@ -5500,7 +5332,7 @@ class SyncRunsClient:
         thread_id: None,
         assistant_id: str,
         *,
-        input: Input | None = None,
+        input: Mapping[str, Any] | None = None,
         command: Command | None = None,
         stream_mode: StreamMode | Sequence[StreamMode] = "values",
         stream_subgraphs: bool = False,
@@ -5526,7 +5358,7 @@ class SyncRunsClient:
         thread_id: str,
         assistant_id: str,
         *,
-        input: Input | None = None,
+        input: Mapping[str, Any] | None = None,
         command: Command | None = None,
         stream_mode: StreamMode | Sequence[StreamMode] = "values",
         stream_subgraphs: bool = False,
@@ -5553,7 +5385,7 @@ class SyncRunsClient:
         thread_id: str | None,
         assistant_id: str,
         *,
-        input: Input | None = None,
+        input: Mapping[str, Any] | None = None,
         command: Command | None = None,
         stream_mode: StreamMode | Sequence[StreamMode] = "values",
         stream_subgraphs: bool = False,
@@ -5755,7 +5587,7 @@ class SyncRunsClient:
         thread_id: str,
         assistant_id: str,
         *,
-        input: Input | None = None,
+        input: Mapping[str, Any] | None = None,
         command: Command | None = None,
         metadata: Mapping[str, Any] | None = None,
         config: Config | None = None,
@@ -5782,7 +5614,7 @@ class SyncRunsClient:
         thread_id: None,
         assistant_id: str,
         *,
-        input: Input | None = None,
+        input: Mapping[str, Any] | None = None,
         command: Command | None = None,
         metadata: Mapping[str, Any] | None = None,
         config: Config | None = None,
@@ -5806,7 +5638,7 @@ class SyncRunsClient:
         thread_id: str | None,
         assistant_id: str,
         *,
-        input: Input | None = None,
+        input: Mapping[str, Any] | None = None,
         command: Command | None = None,
         metadata: Mapping[str, Any] | None = None,
         config: Config | None = None,
@@ -6259,7 +6091,7 @@ class SyncCronClient:
         assistant_id: str,
         *,
         schedule: str,
-        input: Input | None = None,
+        input: Mapping[str, Any] | None = None,
         metadata: Mapping[str, Any] | None = None,
         config: Config | None = None,
         context: Context | None = None,
@@ -6338,7 +6170,7 @@ class SyncCronClient:
         assistant_id: str,
         *,
         schedule: str,
-        input: Input | None = None,
+        input: Mapping[str, Any] | None = None,
         metadata: Mapping[str, Any] | None = None,
         config: Config | None = None,
         context: Context | None = None,

libs/sdk-py/langgraph_sdk/encryption/__init__.py

@@ -1,554 +0,0 @@
-"""Custom encryption support for LangGraph.
-
-.. warning::
-    This API is in beta and may change in future versions.
-
-This module provides a framework for implementing custom at-rest encryption
-in LangGraph applications. Similar to the Auth system, it allows developers
-to define custom encryption and decryption handlers that are executed
-server-side.
-"""
-
-from __future__ import annotations
-
-import functools
-import inspect
-import typing
-import warnings
-
-from langgraph_sdk.encryption import types
-
-
-class LangGraphBetaWarning(UserWarning):
-    """Warning for beta features in LangGraph SDK."""
-
-
-@functools.lru_cache(maxsize=1)
-def _warn_encryption_beta() -> None:
-    warnings.warn(
-        "The Encryption API is in beta and may change in future versions.",
-        LangGraphBetaWarning,
-        stacklevel=4,
-    )
-
-
-class DuplicateHandlerError(Exception):
-    """Raised when attempting to register a duplicate encryption/decryption handler."""
-
-    pass
-
-
-def _validate_handler(fn: typing.Callable, handler_type: str) -> None:
-    """Validate that a handler function has the correct signature.
-
-    Args:
-        fn: The handler function to validate
-        handler_type: Description of the handler for error messages
-
-    Raises:
-        TypeError: If the handler is not an async function or has wrong parameter count
-    """
-    if not inspect.iscoroutinefunction(fn):
-        raise TypeError(f"{handler_type} must be an async function, got {type(fn)}")
-
-    sig = inspect.signature(fn)
-    params = [
-        p
-        for p in sig.parameters.values()
-        if p.kind in (p.POSITIONAL_ONLY, p.POSITIONAL_OR_KEYWORD)
-    ]
-    if len(params) != 2:
-        raise TypeError(
-            f"{handler_type} must accept exactly 2 parameters "
-            f"(ctx, data), got {len(params)}"
-        )
-
-
-class _JsonEncryptDecorators:
-    """Dynamic decorator factory for JSON encryption handlers.
-
-    Supports both default and model-specific handlers:
-    - @encrypt.json - default handler for all models
-    - @encrypt.json.thread - handler for thread model
-    """
-
-    def __init__(self, parent: Encryption):
-        self._parent = parent
-
-    def __call__(self, fn: types.JsonEncryptor) -> types.JsonEncryptor:
-        """Register the default JSON encryption handler.
-
-        Args:
-            fn: The handler function
-
-        Returns:
-            The registered handler function
-
-        Raises:
-            DuplicateHandlerError: If handler already registered
-            TypeError: If handler has invalid signature
-        """
-        if self._parent._json_encryptor is not None:
-            raise DuplicateHandlerError("Default JSON encryptor already registered")
-        _validate_handler(fn, "Default JSON encryptor")
-        self._parent._json_encryptor = fn
-        return fn
-
-    def __getattr__(
-        self, model: str
-    ) -> typing.Callable[[types.JsonEncryptor], types.JsonEncryptor]:
-        """Dynamic attribute access for model-specific handlers.
-
-        Allows @encryption.encrypt.json.thread, @encryption.encrypt.json.assistant, etc.
-
-        Raises:
-            DuplicateHandlerError: If handler already registered for this model
-            TypeError: If handler has invalid signature
-        """
-
-        def decorator(fn: types.JsonEncryptor) -> types.JsonEncryptor:
-            if model in self._parent._json_encryptors:
-                raise DuplicateHandlerError(
-                    f"JSON encryptor for model '{model}' already registered"
-                )
-            _validate_handler(fn, f"JSON encryptor for model '{model}'")
-            self._parent._json_encryptors[model] = fn
-            return fn
-
-        return decorator
-
-
-class _JsonDecryptDecorators:
-    """Dynamic decorator factory for JSON decryption handlers.
-
-    Supports both default and model-specific handlers:
-    - @encryption.decrypt.json - default handler for all models
-    - @encryption.decrypt.json.thread - handler for thread model
-    """
-
-    def __init__(self, parent: Encryption):
-        self._parent = parent
-
-    def __call__(self, fn: types.JsonDecryptor) -> types.JsonDecryptor:
-        """Register the default JSON decryption handler.
-
-        Args:
-            fn: The handler function
-
-        Returns:
-            The registered handler function
-
-        Raises:
-            DuplicateHandlerError: If handler already registered
-            TypeError: If handler has invalid signature
-        """
-        if self._parent._json_decryptor is not None:
-            raise DuplicateHandlerError("Default JSON decryptor already registered")
-        _validate_handler(fn, "Default JSON decryptor")
-        self._parent._json_decryptor = fn
-        return fn
-
-    def __getattr__(
-        self, model: str
-    ) -> typing.Callable[[types.JsonDecryptor], types.JsonDecryptor]:
-        """Dynamic attribute access for model-specific handlers.
-
-        Allows @encryption.decrypt.json.thread, @encryption.decrypt.json.assistant, etc.
-
-        Raises:
-            DuplicateHandlerError: If handler already registered for this model
-            TypeError: If handler has invalid signature
-        """
-
-        def decorator(fn: types.JsonDecryptor) -> types.JsonDecryptor:
-            if model in self._parent._json_decryptors:
-                raise DuplicateHandlerError(
-                    f"JSON decryptor for model '{model}' already registered"
-                )
-            _validate_handler(fn, f"JSON decryptor for model '{model}'")
-            self._parent._json_decryptors[model] = fn
-            return fn
-
-        return decorator
-
-
-class _EncryptDecorators:
-    """Decorators for encryption handlers.
-
-    Provides @encryption.encrypt.blob and @encryption.encrypt.json decorators for
-    registering encryption functions.
-    """
-
-    def __init__(self, parent: Encryption):
-        self._parent = parent
-        self._json = _JsonEncryptDecorators(parent)
-
-    def blob(self, fn: types.BlobEncryptor) -> types.BlobEncryptor:
-        """Register a blob encryption handler.
-
-        The handler will be called to encrypt opaque data like checkpoint blobs.
-
-        Example:
-            ```python
-            @encryption.encrypt.blob
-            async def encrypt_blob(ctx: EncryptionContext, blob: bytes) -> bytes:
-                # Encrypt the blob using your encryption service
-                return encrypted_blob
-            ```
-
-        Args:
-            fn: The encryption handler function
-
-        Returns:
-            The registered handler function
-
-        Raises:
-            DuplicateHandlerError: If blob encryptor already registered
-            TypeError: If handler has invalid signature
-        """
-        if self._parent._blob_encryptor is not None:
-            raise DuplicateHandlerError("Blob encryptor already registered")
-        _validate_handler(fn, "Blob encryptor")
-        self._parent._blob_encryptor = fn
-        return fn
-
-    @property
-    def json(self) -> _JsonEncryptDecorators:
-        """Access JSON encryption decorators.
-
-        Supports model-specific handlers:
-        - @encryption.encrypt.json - default handler for all models
-        - @encryption.encrypt.json.thread - handler for thread model only
-        - @encryption.encrypt.json.assistant - handler for assistant model only
-
-        Example:
-            ```python
-            @encryption.encrypt.json
-            async def default_encrypt(ctx: EncryptionContext, data: dict) -> dict:
-                # Default encryption for all models
-                return encrypt_data(data)
-
-            @encryption.encrypt.json.thread
-            async def encrypt_thread(ctx: EncryptionContext, data: dict) -> dict:
-                # Special encryption for thread model only
-                return encrypt_thread_data(data)
-            ```
-        """
-        return self._json
-
-
-class _DecryptDecorators:
-    """Decorators for decryption handlers.
-
-    Provides @encryption.decrypt.blob and @encryption.decrypt.json decorators for
-    registering decryption functions.
-    """
-
-    def __init__(self, parent: Encryption):
-        self._parent = parent
-        self._json = _JsonDecryptDecorators(parent)
-
-    def blob(self, fn: types.BlobDecryptor) -> types.BlobDecryptor:
-        """Register a blob decryption handler.
-
-        The handler will be called to decrypt opaque data like checkpoint blobs.
-
-        Example:
-            ```python
-            @encryption.decrypt.blob
-            async def decrypt_blob(ctx: EncryptionContext, blob: bytes) -> bytes:
-                # Decrypt the blob using your encryption service
-                return decrypted_blob
-            ```
-
-        Args:
-            fn: The decryption handler function
-
-        Returns:
-            The registered handler function
-
-        Raises:
-            DuplicateHandlerError: If blob decryptor already registered
-            TypeError: If handler has invalid signature
-        """
-        if self._parent._blob_decryptor is not None:
-            raise DuplicateHandlerError("Blob decryptor already registered")
-        _validate_handler(fn, "Blob decryptor")
-        self._parent._blob_decryptor = fn
-        return fn
-
-    @property
-    def json(self) -> _JsonDecryptDecorators:
-        """Access JSON decryption decorators.
-
-        Supports model-specific handlers:
-        - @encryption.decrypt.json - default handler for all models
-        - @encryption.decrypt.json.thread - handler for thread model only
-        - @encryption.decrypt.json.assistant - handler for assistant model only
-
-        Example:
-            ```python
-            @encryption.decrypt.json
-            async def default_decrypt(ctx: EncryptionContext, data: dict) -> dict:
-                # Default decryption for all models
-                return decrypt_data(data)
-
-            @encryption.decrypt.json.thread
-            async def decrypt_thread(ctx: EncryptionContext, data: dict) -> dict:
-                # Special decryption for thread model only
-                return decrypt_thread_data(data)
-            ```
-        """
-        return self._json
-
-
-class Encryption:
-    """Add custom at-rest encryption to your LangGraph application.
-
-    .. warning::
-        This API is in beta and may change in future versions.
-
-    The Encryption class provides a system for implementing custom encryption
-    of data at rest in LangGraph applications. It supports encryption of
-    both opaque blobs (like checkpoints) and structured JSON data (like
-    metadata, context, kwargs, values, etc.).
-
-    To use, create a separate Python file and add the path to the file to your
-    LangGraph API configuration file (`langgraph.json`). Within that file, create
-    an instance of the Encryption class and register encryption and decryption
-    handlers as needed.
-
-    Example `langgraph.json` file:
-
-    ```json
-    {
-      "dependencies": ["."],
-      "graphs": {
-        "agent": "./my_agent/agent.py:graph"
-      },
-      "env": ".env",
-      "encryption": {
-        "path": "./encryption.py:my_encryption"
-      }
-    }
-    ```
-
-    Then the LangGraph server will load your encryption file and use it to
-    encrypt/decrypt data at rest.
-
-    ???+ example "Basic Usage"
-
-        ```python
-        from langgraph_sdk import Encryption, EncryptionContext
-
-        my_encryption = Encryption()
-
-        @my_encryption.encrypt.blob
-        async def encrypt_blob(ctx: EncryptionContext, blob: bytes) -> bytes:
-            # Call your encryption service
-            return encrypted_blob
-
-        @my_encryption.decrypt.blob
-        async def decrypt_blob(ctx: EncryptionContext, blob: bytes) -> bytes:
-            # Call your decryption service
-            return decrypted_blob
-
-        @my_encryption.encrypt.json
-        async def encrypt_json(ctx: EncryptionContext, data: dict) -> dict:
-            # Practical encryption strategy:
-            # - "owner" field: unencrypted (for search/filtering)
-            # - "my.customer.org/" prefixed fields: encrypt VALUES only
-            # - All other fields: pass through unencrypted
-            encrypted = {}
-            for key, value in data.items():
-                if key.startswith("my.customer.org/"):
-                    # Encrypt VALUE for sensitive customer data
-                    encrypted[key] = encrypt_value(value)
-                else:
-                    # Pass through (including "owner" for search)
-                    encrypted[key] = value
-            return encrypted
-
-        @my_encryption.decrypt.json
-        async def decrypt_json(ctx: EncryptionContext, data: dict) -> dict:
-            # Decrypt VALUES for "my.customer.org/" prefixed fields
-            decrypted = {}
-            for key, value in data.items():
-                if key.startswith("my.customer.org/"):
-                    decrypted[key] = decrypt_value(value)
-                else:
-                    decrypted[key] = value
-            return decrypted
-        ```
-
-    ???+ example "Model-Specific Handlers"
-
-        You can register different encryption handlers for different model types
-        (thread, assistant, run, cron, checkpoint, etc.):
-
-        ```python
-        from langgraph_sdk import Encryption, EncryptionContext
-
-        my_encryption = Encryption()
-
-        # Default handler for models without specific handlers
-        @my_encryption.encrypt.json
-        async def default_encrypt(ctx: EncryptionContext, data: dict) -> dict:
-            return standard_encrypt(data)
-
-        # Thread-specific handler (uses different KMS key)
-        @my_encryption.encrypt.json.thread
-        async def encrypt_thread(ctx: EncryptionContext, data: dict) -> dict:
-            return encrypt_with_thread_key(data)
-
-        # Assistant-specific handler
-        @my_encryption.encrypt.json.assistant
-        async def encrypt_assistant(ctx: EncryptionContext, data: dict) -> dict:
-            return encrypt_with_assistant_key(data)
-
-        # Same pattern for decryption
-        @my_encryption.decrypt.json
-        async def default_decrypt(ctx: EncryptionContext, data: dict) -> dict:
-            return standard_decrypt(data)
-
-        @my_encryption.decrypt.json.thread
-        async def decrypt_thread(ctx: EncryptionContext, data: dict) -> dict:
-            return decrypt_with_thread_key(data)
-        ```
-
-    ???+ example "Field-Specific Logic"
-
-        The `ctx.field` attribute tells you which specific field is being encrypted,
-        allowing different logic within the same model:
-
-        ```python
-        @my_encryption.encrypt.json.thread
-        async def encrypt_thread(ctx: EncryptionContext, data: dict) -> dict:
-            if ctx.field == "metadata":
-                # Thread metadata - standard encryption
-                return encrypt_standard(data)
-            elif ctx.field == "values":
-                # Thread values - more sensitive, use stronger encryption
-                return encrypt_sensitive(data)
-            else:
-                return encrypt_standard(data)
-        ```
-    """
-
-    __slots__ = (
-        "_blob_decryptor",
-        "_blob_encryptor",
-        "_context_handler",
-        "_json_decryptor",
-        "_json_decryptors",
-        "_json_encryptor",
-        "_json_encryptors",
-        "decrypt",
-        "encrypt",
-    )
-
-    types = types
-    """Reference to encryption type definitions.
-
-    Provides access to all type definitions used in the encryption system,
-    including EncryptionContext, BlobEncryptor, BlobDecryptor,
-    JsonEncryptor, and JsonDecryptor.
-    """
-
-    def __init__(self) -> None:
-        """Initialize the Encryption instance."""
-        _warn_encryption_beta()
-        self.encrypt = _EncryptDecorators(self)
-        self.decrypt = _DecryptDecorators(self)
-        self._blob_encryptor: types.BlobEncryptor | None = None
-        self._blob_decryptor: types.BlobDecryptor | None = None
-        self._json_encryptor: types.JsonEncryptor | None = None
-        self._json_decryptor: types.JsonDecryptor | None = None
-        self._json_encryptors: dict[str, types.JsonEncryptor] = {}
-        self._json_decryptors: dict[str, types.JsonDecryptor] = {}
-        self._context_handler: types.ContextHandler | None = None
-
-    def context(self, fn: types.ContextHandler) -> types.ContextHandler:
-        """Register a context handler to derive encryption context from auth.
-
-        The handler receives the authenticated user and current EncryptionContext,
-        and returns a dict that becomes ctx.metadata for encrypt/decrypt handlers.
-
-        This allows encryption context to be derived from JWT claims or other
-        auth-derived data instead of requiring a separate X-Encryption-Context header.
-
-        Note: The context handler is called once per request in middleware,
-        so ctx.model and ctx.field will be None in the handler.
-
-        Example:
-            ```python
-            from langgraph_sdk import Encryption, EncryptionContext
-            from starlette.authentication import BaseUser
-
-            encryption = Encryption()
-
-            @encryption.context
-            async def get_context(user: BaseUser, ctx: EncryptionContext) -> dict:
-                # Derive encryption context from authenticated user
-                return {
-                    **ctx.metadata,  # preserve X-Encryption-Context header if present
-                    "tenant_id": user.tenant_id,
-                }
-            ```
-
-        Args:
-            fn: The context handler function
-
-        Returns:
-            The registered handler function
-        """
-        self._context_handler = fn
-        return fn
-
-    def get_json_encryptor(
-        self, model: str | None = None
-    ) -> types.JsonEncryptor | None:
-        """Get the JSON encryptor for a specific model.
-
-        Args:
-            model: The model type (e.g., "thread", "assistant"). If None, returns default.
-
-        Returns:
-            Model-specific encryptor if registered, otherwise default encryptor, or None.
-        """
-        if model and model in self._json_encryptors:
-            return self._json_encryptors[model]
-        return self._json_encryptor
-
-    def get_json_decryptor(
-        self, model: str | None = None
-    ) -> types.JsonDecryptor | None:
-        """Get the JSON decryptor for a specific model.
-
-        Args:
-            model: The model type (e.g., "thread", "assistant"). If None, returns default.
-
-        Returns:
-            Model-specific decryptor if registered, otherwise default decryptor, or None.
-        """
-        if model and model in self._json_decryptors:
-            return self._json_decryptors[model]
-        return self._json_decryptor
-
-    def __repr__(self) -> str:
-        handlers = []
-        if self._blob_encryptor:
-            handlers.append("blob_encryptor")
-        if self._blob_decryptor:
-            handlers.append("blob_decryptor")
-        if self._json_encryptor:
-            handlers.append("json_encryptor")
-        if self._json_decryptor:
-            handlers.append("json_decryptor")
-        if self._json_encryptors:
-            handlers.append(f"json_encryptors({list(self._json_encryptors.keys())})")
-        if self._json_decryptors:
-            handlers.append(f"json_decryptors({list(self._json_decryptors.keys())})")
-        if self._context_handler:
-            handlers.append("context_handler")
-        return f"Encryption(handlers=[{', '.join(handlers)}])"

libs/sdk-py/langgraph_sdk/encryption/types.py

@@ -1,147 +0,0 @@
-"""Encryption and decryption types for LangGraph.
-
-This module defines the core types used for custom at-rest encryption
-in LangGraph. It includes context types and typed dictionaries for
-encryption operations.
-"""
-
-from __future__ import annotations
-
-import typing
-from collections.abc import Awaitable, Callable
-
-Json = dict[str, typing.Any]
-"""JSON-serializable dictionary type for structured data encryption."""
-
-
-class EncryptionContext:
-    """Context passed to encryption/decryption handlers.
-
-    Contains arbitrary non-secret key-values that will be stored on encrypt.
-    These key-values are intended to be sent to an external service that
-    manages keys and handles the actual encryption and decryption of data.
-
-    Attributes:
-        model: The model type being encrypted (e.g., "assistant", "thread", "run", "checkpoint")
-        field: The specific field being encrypted (e.g., "metadata", "context", "kwargs", "values")
-        metadata: Additional context metadata that can be used for encryption decisions
-    """
-
-    __slots__ = ("field", "metadata", "model")
-
-    def __init__(
-        self,
-        model: str | None = None,
-        metadata: dict[str, typing.Any] | None = None,
-        field: str | None = None,
-    ):
-        self.model = model
-        self.field = field
-        self.metadata = metadata or {}
-
-    def __repr__(self) -> str:
-        return f"EncryptionContext(model={self.model!r}, field={self.field!r}, metadata={self.metadata!r})"
-
-
-BlobEncryptor = Callable[[EncryptionContext, bytes], Awaitable[bytes]]
-"""Handler for encrypting opaque blob data like checkpoints.
-
-Note: Must be an async function. Encryption typically involves I/O operations
-(calling external KMS services), which should be async.
-
-Args:
-    ctx: Encryption context with model type and metadata
-    blob: The raw bytes to encrypt
-
-Returns:
-    Awaitable that resolves to encrypted bytes
-"""
-
-BlobDecryptor = Callable[[EncryptionContext, bytes], Awaitable[bytes]]
-"""Handler for decrypting opaque blob data like checkpoints.
-
-Note: Must be an async function. Decryption typically involves I/O operations
-(calling external KMS services), which should be async.
-
-Args:
-    ctx: Encryption context with model type and metadata
-    blob: The encrypted bytes to decrypt
-
-Returns:
-    Awaitable that resolves to decrypted bytes
-"""
-
-JsonEncryptor = Callable[[EncryptionContext, Json], Awaitable[Json]]
-"""Handler for encrypting structured JSON data.
-
-Note: Must be an async function. Encryption typically involves I/O operations
-(calling external KMS services), which should be async.
-
-Used for encrypting structured data like metadata, context, kwargs, values,
-and other JSON-serializable fields across different model types.
-
-Maps plaintext fields to encrypted fields. A practical approach:
-- Keep "owner" field unencrypted for search/filtering
-- Encrypt VALUES (not keys) for fields with specific prefix (e.g., "my.customer.org/")
-- Pass through all other fields unencrypted
-
-Example:
-    Input:  {"owner": "user123", "my.customer.org/email": "john@example.com", "tenant_id": "t-456"}
-    Output: {"owner": "user123", "my.customer.org/email": "ENCRYPTED", "tenant_id": "t-456"}
-
-Note: Encrypted field VALUES cannot be reliably searched, as most real-world
-encryption implementations use nonces (non-deterministic encryption).
-Only unencrypted fields can be used in search queries.
-
-Args:
-    ctx: Encryption context with model type, field name, and metadata
-    data: The plaintext JSON dictionary
-
-Returns:
-    Awaitable that resolves to encrypted JSON dictionary
-"""
-
-JsonDecryptor = Callable[[EncryptionContext, Json], Awaitable[Json]]
-"""Handler for decrypting structured JSON data.
-
-Note: Must be an async function. Decryption typically involves I/O operations
-(calling external KMS services), which should be async.
-
-Inverse of JsonEncryptor. Must be able to decrypt data that
-was encrypted by the corresponding encryptor.
-
-Args:
-    ctx: Encryption context with model type, field name, and metadata
-    data: The encrypted JSON dictionary
-
-Returns:
-    Awaitable that resolves to decrypted JSON dictionary
-"""
-
-if typing.TYPE_CHECKING:
-    from starlette.authentication import BaseUser
-
-ContextHandler = Callable[
-    ["BaseUser", EncryptionContext], Awaitable[dict[str, typing.Any]]
-]
-"""Handler for deriving encryption context from authenticated user info.
-
-Note: Must be an async function as it may involve I/O operations.
-
-The context handler is called once per request in middleware (after auth),
-allowing encryption context to be derived from JWT claims, user properties,
-or other auth-derived data instead of requiring a separate X-Encryption-Context header.
-
-The return value becomes ctx.metadata for subsequent encrypt/decrypt operations
-and is persisted with encrypted data for later decryption.
-
-Note: ctx.model and ctx.field will be None in context handlers since
-the handler runs once per request before any specific model/field is known.
-
-Args:
-    user: The authenticated user (from Starlette's AuthenticationMiddleware)
-    ctx: Current encryption context with metadata from X-Encryption-Context header
-
-Returns:
-    Awaitable that resolves to dict that becomes the new ctx.metadata
-"""

libs/sdk-py/langgraph_sdk/schema.py

@@ -3,20 +3,15 @@
 from __future__ import annotations
 
 from collections.abc import Mapping, Sequence
-from dataclasses import Field
 from datetime import datetime
 from typing import (
     Any,
-    ClassVar,
     Literal,
     NamedTuple,
-    Protocol,
     TypeAlias,
-    Union,
+    TypedDict,
 )
 
-from typing_extensions import TypedDict
-
 Json = dict[str, Any] | None
 """Represents a JSON-like structure, which can be None or a dictionary with string keys and any values."""
 
@@ -148,6 +143,8 @@ SortOrder = Literal["asc", "desc"]
 The order to sort by.
 """
 
+Context: TypeAlias = dict[str, Any]
+
 
 class Config(TypedDict, total=False):
     """Configuration options for a call."""
@@ -246,15 +243,6 @@ class Assistant(AssistantBase):
     """The last time the assistant was updated."""
 
 
-class AssistantsSearchResponse(TypedDict):
-    """Paginated response for assistant search results."""
-
-    assistants: list[Assistant]
-    """The assistants returned for the current search page."""
-    next: str | None
-    """Pagination cursor from the ``X-Pagination-Next`` response header."""
-
-
 class Interrupt(TypedDict):
     """Represents an interruption in the execution flow."""
 
@@ -571,54 +559,3 @@ class RunCreateMetadata(TypedDict):
 
     thread_id: str | None
     """The ID of the thread."""
-
-
-class _TypedDictLikeV1(Protocol):
-    """Protocol to represent types that behave like TypedDicts
-
-    Version 1: using `ClassVar` for keys."""
-
-    __required_keys__: ClassVar[frozenset[str]]
-    __optional_keys__: ClassVar[frozenset[str]]
-
-
-class _TypedDictLikeV2(Protocol):
-    """Protocol to represent types that behave like TypedDicts
-
-    Version 2: not using `ClassVar` for keys."""
-
-    __required_keys__: frozenset[str]
-    __optional_keys__: frozenset[str]
-
-
-class _DataclassLike(Protocol):
-    """Protocol to represent types that behave like dataclasses.
-
-    Inspired by the private _DataclassT from dataclasses that uses a similar protocol as a bound.
-    """
-
-    __dataclass_fields__: ClassVar[dict[str, Field[Any]]]
-
-
-class _BaseModelLike(Protocol):
-    """Protocol to represent types that behave like Pydantic `BaseModel`."""
-
-    model_config: ClassVar[dict[str, Any]]
-    __pydantic_core_schema__: ClassVar[Any]
-
-    def model_dump(
-        self,
-        **kwargs: Any,
-    ) -> dict[str, Any]: ...
-
-
-_JSONLike: TypeAlias = None | str | int | float | bool
-_JSONMap: TypeAlias = Mapping[
-    str, Union[_JSONLike, list[_JSONLike], "_JSONMap", list["_JSONMap"]]
-]
-
-Input: TypeAlias = (
-    _TypedDictLikeV1 | _TypedDictLikeV2 | _DataclassLike | _BaseModelLike | _JSONMap
-)
-
-Context: TypeAlias = Input

libs/sdk-py/pyproject.toml

@@ -23,19 +23,8 @@ Slack = "https://www.langchain.com/join-community"
 Reddit = "https://www.reddit.com/r/LangChain/"
 
 [dependency-groups]
-test = [
-    "pytest",
-    "pytest-asyncio",
-    "pytest-mock",
-    "pytest-watch",
-]
-lint = [
-    "ruff==0.14.7",
-    "codespell",
-    "mypy==1.19.0",
-    "ty==0.0.1a27",
-    "starlette",
-]
+test = ["pytest", "pytest-asyncio", "pytest-mock", "pytest-watch"]
+lint = ["ruff", "codespell", "mypy"]
 dev = [
   { include-group = "test" },
   { include-group = "lint" },

libs/sdk-py/tests/test_assistants_client.py

@@ -1,91 +0,0 @@
-from __future__ import annotations
-
-import httpx
-import pytest
-
-from langgraph_sdk.client import (
-    AssistantsClient,
-    HttpClient,
-    SyncAssistantsClient,
-    SyncHttpClient,
-)
-
-
-def _assistant_payload() -> dict[str, object]:
-    return {
-        "assistant_id": "asst_123",
-        "graph_id": "graph_123",
-        "config": {"configurable": {"foo": "bar"}},
-        "context": {"foo": "bar"},
-        "created_at": "2024-01-01T00:00:00Z",
-        "metadata": {"env": "test"},
-        "version": 1,
-        "name": "My Assistant",
-        "description": "Example",
-        "updated_at": "2024-01-02T00:00:00Z",
-    }
-
-
-@pytest.mark.asyncio
-async def test_assistants_search_returns_list_by_default():
-    assistant = _assistant_payload()
-
-    async def handler(request: httpx.Request) -> httpx.Response:
-        assert request.method == "POST"
-        assert request.url.path == "/assistants/search"
-        return httpx.Response(200, json=[assistant])
-
-    transport = httpx.MockTransport(handler)
-    async with httpx.AsyncClient(
-        transport=transport, base_url="https://example.com"
-    ) as client:
-        http_client = HttpClient(client)
-        assistants_client = AssistantsClient(http_client)
-        result = await assistants_client.search(limit=3)
-
-    assert result == [assistant]
-
-
-@pytest.mark.asyncio
-async def test_assistants_search_can_return_object_with_pagination_metadata():
-    assistant = _assistant_payload()
-
-    async def handler(request: httpx.Request) -> httpx.Response:
-        assert request.method == "POST"
-        assert request.url.path == "/assistants/search"
-        return httpx.Response(
-            200,
-            headers={"X-Pagination-Next": "42"},
-            json=[assistant],
-        )
-
-    transport = httpx.MockTransport(handler)
-    async with httpx.AsyncClient(
-        transport=transport, base_url="https://example.com"
-    ) as client:
-        http_client = HttpClient(client)
-        assistants_client = AssistantsClient(http_client)
-        result = await assistants_client.search(response_format="object")
-
-    assert result == {"assistants": [assistant], "next": "42"}
-
-
-def test_sync_assistants_search_can_return_object_with_pagination_metadata():
-    assistant = _assistant_payload()
-
-    def handler(request: httpx.Request) -> httpx.Response:
-        assert request.method == "POST"
-        assert request.url.path == "/assistants/search"
-        return httpx.Response(
-            200,
-            headers={"X-Pagination-Next": "84"},
-            json=[assistant],
-        )
-
-    transport = httpx.MockTransport(handler)
-    with httpx.Client(transport=transport, base_url="https://example.com") as client:
-        http_client = SyncHttpClient(client)
-        assistants_client = SyncAssistantsClient(http_client)
-        result = assistants_client.search(response_format="object")
-
-    assert result == {"assistants": [assistant], "next": "84"}

libs/sdk-py/tests/test_encryption.py

@@ -1,92 +0,0 @@
-import pytest
-
-from langgraph_sdk.encryption import DuplicateHandlerError, Encryption
-
-
-class TestHandlerValidation:
-    """Test duplicate handler and signature validation."""
-
-    def test_duplicate_handlers_raise_error(self):
-        """Registering the same handler type twice raises DuplicateHandlerError."""
-        encryption = Encryption()
-
-        @encryption.encrypt.blob
-        async def blob_enc(_ctx, data):
-            return data
-
-        @encryption.decrypt.blob
-        async def blob_dec(_ctx, data):
-            return data
-
-        @encryption.encrypt.json
-        async def json_enc(_ctx, data):
-            return data
-
-        @encryption.decrypt.json
-        async def json_dec(_ctx, data):
-            return data
-
-        @encryption.encrypt.json.thread
-        async def thread_enc(_ctx, data):
-            return data
-
-        @encryption.decrypt.json.custom
-        async def custom_dec(_ctx, data):
-            return data
-
-        # All duplicates should raise
-        with pytest.raises(DuplicateHandlerError):
-
-            @encryption.encrypt.blob
-            async def dup(_ctx, data):
-                return data
-
-        with pytest.raises(DuplicateHandlerError):
-
-            @encryption.decrypt.blob
-            async def dup(_ctx, data):
-                return data
-
-        with pytest.raises(DuplicateHandlerError):
-
-            @encryption.encrypt.json
-            async def dup(_ctx, data):
-                return data
-
-        with pytest.raises(DuplicateHandlerError):
-
-            @encryption.decrypt.json
-            async def dup(_ctx, data):
-                return data
-
-        with pytest.raises(DuplicateHandlerError):
-
-            @encryption.encrypt.json.thread
-            async def dup(_ctx, data):
-                return data
-
-        with pytest.raises(DuplicateHandlerError):
-
-            @encryption.decrypt.json.custom
-            async def dup(_ctx, data):
-                return data
-
-    def test_handlers_must_be_async(self):
-        """Sync functions raise TypeError."""
-        encryption = Encryption()
-
-        with pytest.raises(TypeError, match="must be an async function"):
-
-            @encryption.encrypt.blob
-            def sync_handler(_ctx, data):
-                return data
-
-    def test_handlers_must_have_two_params(self):
-        """Wrong parameter count raises TypeError."""
-        encryption = Encryption()
-
-        with pytest.raises(TypeError, match="must accept exactly 2 parameters"):
-
-            @encryption.encrypt.blob  # type: ignore[arg-type]
-            async def wrong_params(ctx):
-                return ctx

libs/sdk-py/tests/test_serde.py

@@ -30,28 +30,6 @@ async def test_serde_pydantic():
     assert result["name"] == "test"
     assert result["age"] == 25
 
-    nested_result = await _serde_roundtrip({"data": model})
-    assert nested_result["data"]["name"] == "test"
-    assert nested_result["data"]["age"] == 25
-
-
-async def test_serde_dataclass():
-    from dataclasses import dataclass
-
-    @dataclass
-    class TestDataClass:
-        name: str
-        age: int
-
-    data = TestDataClass(name="test", age=25)
-    result = await _serde_roundtrip(data)
-    assert result["name"] == "test"
-    assert result["age"] == 25
-
-    nested_result = await _serde_roundtrip({"data": data})
-    assert nested_result["data"]["name"] == "test"
-    assert nested_result["data"]["age"] == 25
-
 
 async def test_serde_pydantic_cls_fails():
     # Test that serialization fails gracefully for Pydantic model when not available

libs/sdk-py/tests/test_serde_schema.py

@@ -1,30 +0,0 @@
-from dataclasses import dataclass
-from typing import runtime_checkable
-
-from pydantic import BaseModel
-
-from langgraph_sdk.schema import (
-    _BaseModelLike,
-    _DataclassLike,
-)
-
-
-def rc(cls: type) -> type:
-    return runtime_checkable(cls)
-
-
-class MyModel(BaseModel):
-    foo: str
-
-
-def test_base_model_like():
-    assert isinstance(MyModel(foo="test"), rc(_BaseModelLike))
-
-
-@dataclass
-class MyDataclass:
-    foo: str
-
-
-def test_dataclass_like():
-    assert isinstance(MyDataclass(foo="test"), rc(_DataclassLike))

libs/sdk-py/tests/test_skip_auto_load_api_key.py

@@ -1,70 +0,0 @@
-"""Tests for api_key parameter behavior."""
-
-import pytest
-
-from langgraph_sdk import get_client, get_sync_client
-
-
-class TestSkipAutoLoadApiKey:
-    """Test the api_key parameter's auto-loading behavior."""
-
-    @pytest.mark.asyncio
-    async def test_get_client_loads_from_env_by_default(self, monkeypatch):
-        """Test that API key is loaded from environment by default."""
-        monkeypatch.setenv("LANGGRAPH_API_KEY", "test-key-from-env")
-
-        client = get_client(url="http://localhost:8123")
-        assert "x-api-key" in client.http.client.headers
-        assert client.http.client.headers["x-api-key"] == "test-key-from-env"
-        await client.aclose()
-
-    @pytest.mark.asyncio
-    async def test_get_client_skips_env_when_sentinel_used(self, monkeypatch):
-        """Test that API key is not loaded from environment when None is explicitly passed."""
-        monkeypatch.setenv("LANGGRAPH_API_KEY", "test-key-from-env")
-
-        client = get_client(url="http://localhost:8123", api_key=None)
-        assert "x-api-key" not in client.http.client.headers
-        await client.aclose()
-
-    @pytest.mark.asyncio
-    async def test_get_client_uses_explicit_key_when_provided(self, monkeypatch):
-        """Test that explicit API key takes precedence over environment."""
-        monkeypatch.setenv("LANGGRAPH_API_KEY", "test-key-from-env")
-
-        client = get_client(
-            url="http://localhost:8123",
-            api_key="explicit-key",
-        )
-        assert "x-api-key" in client.http.client.headers
-        assert client.http.client.headers["x-api-key"] == "explicit-key"
-        await client.aclose()
-
-    def test_get_sync_client_loads_from_env_by_default(self, monkeypatch):
-        """Test that sync client loads API key from environment by default."""
-        monkeypatch.setenv("LANGGRAPH_API_KEY", "test-key-from-env")
-
-        client = get_sync_client(url="http://localhost:8123")
-        assert "x-api-key" in client.http.client.headers
-        assert client.http.client.headers["x-api-key"] == "test-key-from-env"
-        client.close()
-
-    def test_get_sync_client_skips_env_when_sentinel_used(self, monkeypatch):
-        """Test that sync client doesn't load from environment when None is explicitly passed."""
-        monkeypatch.setenv("LANGGRAPH_API_KEY", "test-key-from-env")
-
-        client = get_sync_client(url="http://localhost:8123", api_key=None)
-        assert "x-api-key" not in client.http.client.headers
-        client.close()
-
-    def test_get_sync_client_uses_explicit_key_when_provided(self, monkeypatch):
-        """Test that sync client uses explicit API key when provided."""
-        monkeypatch.setenv("LANGGRAPH_API_KEY", "test-key-from-env")
-
-        client = get_sync_client(
-            url="http://localhost:8123",
-            api_key="explicit-key",
-        )
-        assert "x-api-key" in client.http.client.headers
-        assert client.http.client.headers["x-api-key"] == "explicit-key"
-        client.close()

libs/sdk-py/uv.lock

@@ -13,16 +13,17 @@ wheels = [
 
 [[package]]
 name = "anyio"
-version = "4.12.0"
+version = "4.11.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "exceptiongroup", marker = "python_full_version < '3.11'" },
     { name = "idna" },
+    { name = "sniffio" },
     { name = "typing-extensions", marker = "python_full_version < '3.13'" },
 ]
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 [[package]]
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 ]
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 [[package]]
@@ -152,15 +153,11 @@ dev = [
     { name = "pytest-mock" },
     { name = "pytest-watch" },
     { name = "ruff" },
-    { name = "starlette" },
-    { name = "ty" },
 ]
 lint = [
     { name = "codespell" },
     { name = "mypy" },
     { name = "ruff" },
-    { name = "starlette" },
-    { name = "ty" },
 ]
 test = [
     { name = "pytest" },
@@ -178,22 +175,18 @@ requires-dist = [
 [package.metadata.requires-dev]
 dev = [
     { name = "codespell" },
-    { name = "mypy", specifier = "==1.19.0" },
+    { name = "mypy" },
     { name = "pydantic", specifier = ">=2.12.4" },
     { name = "pytest" },
     { name = "pytest-asyncio" },
     { name = "pytest-mock" },
     { name = "pytest-watch" },
-    { name = "ruff", specifier = "==0.14.7" },
-    { name = "starlette" },
-    { name = "ty", specifier = "==0.0.1a27" },
+    { name = "ruff" },
 ]
 lint = [
     { name = "codespell" },
-    { name = "mypy", specifier = "==1.19.0" },
-    { name = "ruff", specifier = "==0.14.7" },
-    { name = "starlette" },
-    { name = "ty", specifier = "==0.0.1a27" },
+    { name = "mypy" },
+    { name = "ruff" },
 ]
 test = [
     { name = "pytest" },
@@ -202,123 +195,49 @@ test = [
     { name = "pytest-watch" },
 ]
 
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