mirror of
https://github.com/langchain-ai/langgraph.git
synced 2026-08-17 21:25:46 +02:00
* Update API Reference for Pregel * Add conceptual page for Pregel * The content for the two is very similar at the moment (i.e., duplicated content). This is usually a bad sign, but in this case I'm OK duplicating information along both paths since the underlying algorithm sets us apart from other implementations.
504 lines
20 KiB
YAML
504 lines
20 KiB
YAML
site_name: ""
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site_description: Build language agents as graphs
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site_url: https://langchain-ai.github.io/langgraph/
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repo_url: https://github.com/langchain-ai/langgraph
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edit_uri: edit/main/docs/docs/
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separator: '[\s\u200b\-_,:!=\[\]()"`/]+|\.(?!\d)|&[lg]t;|(?!\b)(?=[A-Z][a-z])'
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- autorefs
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- mkdocstrings:
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handlers:
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python:
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import:
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- https://docs.python.org/3/objects.inv
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- https://python.langchain.com/api_reference/objects.inv
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filters:
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- "!^_"
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nav:
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- Home:
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- Introduction: index.md
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- Get started:
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- Learn the basics: tutorials/introduction.ipynb
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- Deployment:
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- tutorials/deployment.md
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- Local Deploy: tutorials/langgraph-platform/local-server.md
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- Template Applications: concepts/template_applications.md # TODO: make tutorial
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- Cloud Deploy: cloud/quick_start.md
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- Guides:
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- How-to Guides:
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- how-tos/index.md
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- LangGraph:
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- LangGraph: how-tos#langgraph
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- Graph API Basics:
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- Graph API Basics: how-tos#graph-api-basics
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- how-tos/state-reducers.ipynb
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- how-tos/sequence.ipynb
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- how-tos/branching.ipynb
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- how-tos/recursion-limit.ipynb
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- how-tos/visualization.ipynb
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- Controllability:
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- Controllability: how-tos#controllability
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- how-tos/map-reduce.ipynb
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- how-tos/command.ipynb
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- how-tos/configuration.ipynb
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- how-tos/node-retries.ipynb
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- how-tos/return-when-recursion-limit-hits.ipynb
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- Persistence:
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- Persistence: how-tos#persistence
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- how-tos/persistence.ipynb
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- how-tos/subgraph-persistence.ipynb
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- how-tos/cross-thread-persistence.ipynb
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- how-tos/persistence_postgres.ipynb
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- how-tos/persistence_mongodb.ipynb
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- how-tos/persistence_redis.ipynb
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- how-tos/persistence-functional.ipynb
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- how-tos/cross-thread-persistence-functional.ipynb
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- Memory:
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- Memory: how-tos#memory
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- how-tos/memory/manage-conversation-history.ipynb
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- how-tos/memory/delete-messages.ipynb
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- how-tos/memory/add-summary-conversation-history.ipynb
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- how-tos/memory/semantic-search.ipynb
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- Human-in-the-loop:
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- Human-in-the-loop: how-tos#human-in-the-loop
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- how-tos/human_in_the_loop/breakpoints.ipynb
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- how-tos/human_in_the_loop/dynamic_breakpoints.ipynb
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- how-tos/human_in_the_loop/edit-graph-state.ipynb
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- how-tos/human_in_the_loop/wait-user-input.ipynb
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- how-tos/human_in_the_loop/time-travel.ipynb
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- how-tos/human_in_the_loop/review-tool-calls.ipynb
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- how-tos/wait-user-input-functional.ipynb
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- how-tos/review-tool-calls-functional.ipynb
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- Streaming:
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- Streaming: how-tos#streaming
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- how-tos/streaming.ipynb
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- how-tos/streaming-tokens.ipynb
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- how-tos/streaming-specific-nodes.ipynb
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- how-tos/streaming-events-from-within-tools.ipynb
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- how-tos/streaming-subgraphs.ipynb
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- how-tos/disable-streaming.ipynb
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- Tool calling:
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- Tool calling: how-tos#tool-calling
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- how-tos/tool-calling.ipynb
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- how-tos/tool-calling-errors.ipynb
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- how-tos/pass-run-time-values-to-tools.ipynb
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- how-tos/update-state-from-tools.ipynb
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- how-tos/pass-config-to-tools.ipynb
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- how-tos/many-tools.ipynb
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- Subgraphs:
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- Subgraphs: how-tos#subgraphs
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- how-tos/subgraph.ipynb
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- how-tos/subgraphs-manage-state.ipynb
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- how-tos/subgraph-transform-state.ipynb
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- Multi-agent:
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- Multi-agent: how-tos#multi-agent
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- how-tos/agent-handoffs.ipynb
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- how-tos/multi-agent-network.ipynb
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- how-tos/multi-agent-multi-turn-convo.ipynb
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- how-tos/multi-agent-network-functional.ipynb
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- how-tos/multi-agent-multi-turn-convo-functional.ipynb
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- State Management:
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- State Management: how-tos#state-management
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- how-tos/state-model.ipynb
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- how-tos/input_output_schema.ipynb
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- how-tos/pass_private_state.ipynb
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- Other:
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- Other: how-tos#other
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- how-tos/async.ipynb
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- how-tos/react-agent-structured-output.ipynb
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- how-tos/run-id-langsmith.ipynb
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- how-tos/autogen-integration.ipynb
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- how-tos/autogen-integration-functional.ipynb
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- Prebuilt ReAct Agent:
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- Prebuilt ReAct Agent: how-tos#prebuilt-react-agent
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- how-tos/create-react-agent.ipynb
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- how-tos/create-react-agent-memory.ipynb
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- how-tos/create-react-agent-system-prompt.ipynb
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- how-tos/create-react-agent-hitl.ipynb
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- how-tos/create-react-agent-structured-output.ipynb
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- how-tos/react-agent-from-scratch.ipynb
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- how-tos/react-agent-from-scratch-functional.ipynb
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- LangGraph Platform:
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- LangGraph Platform: how-tos#langgraph-platform
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- Application Structure:
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- Application Structure: how-tos#application-structure
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- cloud/deployment/setup.md
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- cloud/deployment/setup_pyproject.md
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- cloud/deployment/setup_javascript.md
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- cloud/deployment/semantic_search.md
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- cloud/deployment/custom_docker.md
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- cloud/deployment/test_locally.md
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- cloud/deployment/graph_rebuild.md
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- how-tos/autogen-langgraph-platform.ipynb
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- Deployment:
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- Deployment: how-tos#deployment
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- cloud/deployment/cloud.md
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- how-tos/deploy-self-hosted.md
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- how-tos/use-remote-graph.md
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- Authentication & Access Control:
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- Authentication & Access Control: how-tos#authentication-access-control
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- cloud/how-tos/auth/custom_auth_new.md
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- cloud/how-tos/auth/openapi_security_new.md
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- Assistants:
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- Assistants: how-tos#assistants
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- cloud/how-tos/configuration_cloud.md
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- cloud/how-tos/assistant_versioning.md
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- Threads:
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- Threads: how-tos#threads
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- cloud/how-tos/copy_threads.md
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- cloud/how-tos/check_thread_status.md
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- Runs:
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- Runs: how-tos#runs
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- cloud/how-tos/background_run.md
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- cloud/how-tos/same-thread.md
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- cloud/how-tos/cron_jobs.md
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- cloud/how-tos/stateless_runs.md
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- Streaming:
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- Streaming: how-tos#streaming_1
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- cloud/how-tos/stream_values.md
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- cloud/how-tos/stream_updates.md
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- cloud/how-tos/stream_messages.md
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- cloud/how-tos/stream_events.md
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- cloud/how-tos/stream_debug.md
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- cloud/how-tos/stream_multiple.md
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- cloud/how-tos/use_stream_react.md
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- Human-in-the-loop:
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- Human-in-the-loop: how-tos#human-in-the-loop_1
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- cloud/how-tos/human_in_the_loop_breakpoint.md
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- cloud/how-tos/human_in_the_loop_user_input.md
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- cloud/how-tos/human_in_the_loop_edit_state.md
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- cloud/how-tos/human_in_the_loop_time_travel.md
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- cloud/how-tos/human_in_the_loop_review_tool_calls.md
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- Double-texting:
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- Double-texting: how-tos#double-texting
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- cloud/how-tos/interrupt_concurrent.md
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- cloud/how-tos/rollback_concurrent.md
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- cloud/how-tos/reject_concurrent.md
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- cloud/how-tos/enqueue_concurrent.md
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- Webhooks:
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- cloud/how-tos/webhooks.md
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- Cron Jobs:
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- cloud/how-tos/cron_jobs.md
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- LangGraph Studio:
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- LangGraph Studio: how-tos#langgraph-studio
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- cloud/how-tos/test_deployment.md
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- cloud/how-tos/test_local_deployment.md
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- cloud/how-tos/invoke_studio.md
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- cloud/how-tos/threads_studio.md
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- cloud/how-tos/datasets_studio.md
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- Concepts:
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- concepts/index.md
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- LangGraph:
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- LangGraph: concepts#langgraph
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- concepts/high_level.md
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- concepts/low_level.md
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- concepts/agentic_concepts.md
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- concepts/multi_agent.md
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- concepts/breakpoints
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- concepts/human_in_the_loop.md
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- concepts/time-travel.md
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- concepts/persistence.md
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- concepts/memory.md
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- concepts/streaming.md
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- concepts/functional_api.md
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- concepts/durable_execution.md
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- concepts/pregel.md
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- LangGraph Platform:
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- LangGraph Platform: concepts#langgraph-platform
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- High Level:
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- High Level: concepts#high-level
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- concepts/langgraph_platform.md
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- concepts/deployment_options.md
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- concepts/plans.md
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- concepts/template_applications.md
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- Components:
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- Components: concepts#components
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- concepts/langgraph_server.md
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- concepts/langgraph_studio.md
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- concepts/langgraph_cli.md
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- concepts/sdk.md
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- how-tos/use-remote-graph.md
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- LangGraph Server:
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- LangGraph Server: concepts#langgraph-server
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- concepts/application_structure.md
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- concepts/assistants.md
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- concepts/double_texting.md
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- concepts/auth.md
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- Deployment Options:
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- Deployment Options: concepts#deployment-options
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- concepts/self_hosted.md
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- concepts/langgraph_cloud.md
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- concepts/bring_your_own_cloud.md
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- Tutorials:
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- tutorials/index.md
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- Quick Start:
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- Quick Start: tutorials#quick-start
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- tutorials/introduction.ipynb
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- tutorials/workflows/index.md
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- tutorials/langgraph-platform/local-server.md
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- cloud/quick_start.md
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- Chatbots:
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- Chatbots: tutorials#chatbots
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- tutorials/customer-support/customer-support.ipynb
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- tutorials/chatbots/information-gather-prompting.ipynb
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- tutorials/code_assistant/langgraph_code_assistant.ipynb
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- RAG:
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- RAG: tutorials#rag
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- tutorials/rag/langgraph_adaptive_rag.ipynb
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- tutorials/rag/langgraph_adaptive_rag_local.ipynb
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- tutorials/rag/langgraph_agentic_rag.ipynb
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- tutorials/rag/langgraph_crag.ipynb
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- tutorials/rag/langgraph_crag_local.ipynb
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- tutorials/rag/langgraph_self_rag.ipynb
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- tutorials/rag/langgraph_self_rag_local.ipynb
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- tutorials/sql-agent.ipynb
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- Agent Architectures:
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- Agent Architectures: tutorials#agent-architectures
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- Multi-Agent Systems:
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- Multi-Agent Systems: tutorials#multi-agent-systems
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- tutorials/multi_agent/multi-agent-collaboration.ipynb
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- tutorials/multi_agent/agent_supervisor.ipynb
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- tutorials/multi_agent/hierarchical_agent_teams.ipynb
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- Planning Agents:
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- Planning Agents: tutorials#planning-agents
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- tutorials/plan-and-execute/plan-and-execute.ipynb
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- tutorials/rewoo/rewoo.ipynb
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- tutorials/llm-compiler/LLMCompiler.ipynb
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- Reflection & Critique:
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- Reflection & Critique: tutorials#reflection-critique
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- tutorials/reflection/reflection.ipynb
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- tutorials/reflexion/reflexion.ipynb
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- tutorials/tot/tot.ipynb
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- tutorials/lats/lats.ipynb
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- tutorials/self-discover/self-discover.ipynb
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- Evaluation & Analysis:
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- Evaluation & Analysis: tutorials#evaluation
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- tutorials/chatbot-simulation-evaluation/agent-simulation-evaluation.ipynb
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- tutorials/chatbot-simulation-evaluation/langsmith-agent-simulation-evaluation.ipynb
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- Experimental:
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- Experimental: tutorials#experimental
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- tutorials/storm/storm.ipynb
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- tutorials/tnt-llm/tnt-llm.ipynb
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- tutorials/web-navigation/web_voyager.ipynb
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- tutorials/usaco/usaco.ipynb
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- tutorials/extraction/retries.ipynb
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- LangGraph Platform:
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- LangGraph Platform: concepts#langgraph-platform
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- tutorials/auth/getting_started.md
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- tutorials/auth/resource_auth.md
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- tutorials/auth/add_auth_server.md
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- Resources:
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# NOTE: prebuilt.md is auto-generated by `make build-prebuilt`
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- Prebuilt Agents: prebuilt.md
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- Adopters: adopters.md
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- FAQ: concepts/faq.md
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- Troubleshooting:
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- Troubleshooting: troubleshooting/errors/index.md
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- troubleshooting/errors/index.md
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- troubleshooting/errors/GRAPH_RECURSION_LIMIT.md
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- troubleshooting/errors/INVALID_CONCURRENT_GRAPH_UPDATE.md
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- troubleshooting/errors/INVALID_GRAPH_NODE_RETURN_VALUE.md
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- troubleshooting/errors/MULTIPLE_SUBGRAPHS.md
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- troubleshooting/errors/INVALID_CHAT_HISTORY.md
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- troubleshooting/errors/INVALID_LICENSE.md
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- LangGraph Academy Course: https://academy.langchain.com/courses/intro-to-langgraph
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- API reference:
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- Library:
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- Graphs: reference/graphs.md
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- Checkpointing: reference/checkpoints.md
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- Storage: reference/store.md
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- Prebuilt components: reference/prebuilt.md
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- Channels: reference/channels.md
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- Errors: reference/errors.md
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- Types: reference/types.md
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- Constants: reference/constants.md
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- Pregel: reference/pregel.md
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- Config: reference/config.md
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- Functional API: reference/func.md
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- LangGraph Platform:
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- Server API: "cloud/reference/api/api_ref.md"
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- CLI: "cloud/reference/cli.md"
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- SDK (Python): "cloud/reference/sdk/python_sdk_ref.md"
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- SDK (JS/TS): "cloud/reference/sdk/js_ts_sdk_ref.md"
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- RemoteGraph: reference/remote_graph.md
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- Environment variables: "cloud/reference/env_var.md"
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markdown_extensions:
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- pymdownx.tabbed:
|
|
alternate_style: true
|
|
combine_header_slug: true
|
|
- pymdownx.tasklist:
|
|
custom_checkbox: true
|
|
- markdown_include.include:
|
|
base_path: ./
|
|
- github-callouts
|
|
hooks:
|
|
- _scripts/notebook_hooks.py
|
|
extra:
|
|
consent:
|
|
title: Cookie consent
|
|
actions:
|
|
- accept
|
|
- reject
|
|
description: >-
|
|
We use cookies to recognize your repeated visits and preferences, as well
|
|
as to measure the effectiveness of our documentation and whether users
|
|
find what they're searching for. <strong>Clicking "Accept" makes our
|
|
documentation better. Thank you!</strong> ❤️
|
|
social:
|
|
- icon: fontawesome/brands/js
|
|
link: https://langchain-ai.github.io/langgraphjs/
|
|
- icon: fontawesome/brands/github
|
|
link: https://github.com/langchain-ai/langgraph
|
|
- icon: fontawesome/brands/twitter
|
|
link: https://twitter.com/LangChainAI
|
|
analytics:
|
|
provider: google
|
|
property: G-G8X6ELZYE0
|
|
feedback:
|
|
title: Was this page helpful?
|
|
ratings:
|
|
- icon: material/emoticon-happy-outline
|
|
name: This page was helpful
|
|
data: 1
|
|
note: >-
|
|
Thanks for your feedback!
|
|
- icon: material/emoticon-sad-outline
|
|
name: This page could be improved
|
|
data: 0
|
|
note: >-
|
|
Thanks for your feedback! Please help us improve this page by adding to the discussion below.
|
|
validation:
|
|
# https://www.mkdocs.org/user-guide/configuration/
|
|
# We're `ignoring` nav.omitted_files because we are going to rely
|
|
# on files being properly links to from the index pages of:
|
|
# - tutorials
|
|
# - concepts
|
|
# - how-tos
|
|
# - reference
|
|
omitted_files: ignore
|
|
absolute_links: warn
|
|
unrecognized_links: warn
|
|
# TODO: figure out how to enable 'warn' for this
|
|
# it's only an issue for tutorials/storm/storm.ipynb
|
|
# because it creates anchors in the generated report
|
|
# and those anchors are not available in the actual doc
|
|
anchors: info
|
|
# this is needed to handle headers with anchors for nav
|
|
not_found: info
|
|
copyright: >
|
|
Copyright © 2025 LangChain, Inc | <a href="#__consent">Consent Preferences</a>
|