site_name: ""
site_description: Build language agents as graphs
site_url: https://langchain-ai.github.io/langgraph/
repo_url: https://github.com/langchain-ai/langgraph
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nav:
  - "index.md"
  - Tutorials:
      - "tutorials/index.md"
      - Quick Start: tutorials/introduction.ipynb
      - Chatbots:
          - Customer Support: tutorials/customer-support/customer-support.ipynb
          - Prompt Generation from User Requirements: tutorials/chatbots/information-gather-prompting.ipynb
          - Code Assistant: tutorials/code_assistant/langgraph_code_assistant.ipynb
      - RAG:
          - Adaptive RAG: tutorials/rag/langgraph_adaptive_rag.ipynb
          - Adaptive RAG using local LLMs: tutorials/rag/langgraph_adaptive_rag_local.ipynb
          - Agentic RAG: tutorials/rag/langgraph_agentic_rag.ipynb
          - Corrective RAG (CRAG): tutorials/rag/langgraph_crag.ipynb
          - Corrective RAG (CRAG) using local LLMs: tutorials/rag/langgraph_crag_local.ipynb
          - Self-RAG: tutorials/rag/langgraph_self_rag.ipynb
          - Self-RAG using local LLMs: tutorials/rag/langgraph_self_rag_local.ipynb
          - SQL Agent: tutorials/sql-agent.ipynb
      - Agent Architectures:
          - Multi-Agent Systems:
              - Collaboration: tutorials/multi_agent/multi-agent-collaboration.ipynb
              - Supervision: tutorials/multi_agent/agent_supervisor.ipynb
              - Hierarchical Teams: tutorials/multi_agent/hierarchical_agent_teams.ipynb
          - Planning Agents:
              - Plan-and-Execute: tutorials/plan-and-execute/plan-and-execute.ipynb
              - Reasoning without Observation: tutorials/rewoo/rewoo.ipynb
              - LLMCompiler: tutorials/llm-compiler/LLMCompiler.ipynb
          - Reflection & Critique:
              - Basic Reflection: tutorials/reflection/reflection.ipynb
              - Reflexion: tutorials/reflexion/reflexion.ipynb
              - Language Agent Tree Search: tutorials/lats/lats.ipynb
              - Self-Discover Agent: tutorials/self-discover/self-discover.ipynb
      - Memory:
          - Long-term memory: tutorials/memory/long_term_memory_agent.ipynb
      - Evaluation & Analysis:
          - Chatbot Evaluation via Simulation:
              - Agent-based: tutorials/chatbot-simulation-evaluation/agent-simulation-evaluation.ipynb
              - In LangSmith: tutorials/chatbot-simulation-evaluation/langsmith-agent-simulation-evaluation.ipynb
      - Experimental:
          - Web Research (STORM): tutorials/storm/storm.ipynb
          - TNT-LLM: tutorials/tnt-llm/tnt-llm.ipynb
          - Web Navigation: tutorials/web-navigation/web_voyager.ipynb
          - Competitive Programming: tutorials/usaco/usaco.ipynb
          - Extract structured output: tutorials/extraction/retries.ipynb

  - "How-to Guides":
      - "how-tos/index.md"
      - Controllability:
          - Create branches for parallel execution: how-tos/branching.ipynb
          - Create map-reduce branches for parallel execution: how-tos/map-reduce.ipynb
          - Control graph recursion limit: how-tos/recursion-limit.ipynb
      - Persistence:
          - Add persistence ("memory"): how-tos/persistence.ipynb
          - Manage conversation history: how-tos/memory/manage-conversation-history.ipynb
          - Delete messages: how-tos/memory/delete-messages.ipynb
          - Add summary of the conversation history: how-tos/memory/add-summary-conversation-history.ipynb
          - Share state between threads: how-tos/memory/shared-state.ipynb
          - Use Postgres checkpointer for persistence: how-tos/persistence_postgres.ipynb
          - Create custom checkpointer using MongoDB: how-tos/persistence_mongodb.ipynb
          - Create custom checkpointer using Redis: how-tos/persistence_redis.ipynb
      - Human-in-the-loop:
          - Add breakpoints: how-tos/human_in_the_loop/breakpoints.ipynb
          - Add dynamic breakpoints: how-tos/human_in_the_loop/dynamic_breakpoints.ipynb
          - Wait for user input: how-tos/human_in_the_loop/wait-user-input.ipynb
          - View and update past graph state: how-tos/human_in_the_loop/time-travel.ipynb
          - Edit graph state: how-tos/human_in_the_loop/edit-graph-state.ipynb
          - Review tool calls: how-tos/human_in_the_loop/review-tool-calls.ipynb
      - Streaming:
          - Stream full state: how-tos/stream-values.ipynb
          - Stream state updates: how-tos/stream-updates.ipynb
          - Stream LLM tokens: how-tos/streaming-tokens.ipynb
          - Stream LLM tokens without LangChain models: how-tos/streaming-tokens-without-langchain.ipynb
          - Stream custom data: how-tos/streaming-content.ipynb
          - Configure multiple streaming modes: how-tos/stream-multiple.ipynb
          - Stream events from within tools: how-tos/streaming-events-from-within-tools.ipynb
          - Stream events from within tools without LangChain models: how-tos/streaming-events-from-within-tools-without-langchain.ipynb
          - Stream events from the final node: how-tos/streaming-from-final-node.ipynb
          - Stream from subgraphs: how-tos/streaming-subgraphs.ipynb
          - Disable streaming for models that don't support it: how-tos/disable-streaming.ipynb
      - Tool calling:
          - Call tools using ToolNode: how-tos/tool-calling.ipynb
          - Handle tool calling errors: how-tos/tool-calling-errors.ipynb
          - Pass graph state to tools: how-tos/pass-run-time-values-to-tools.ipynb
          - Pass config to tools: how-tos/pass-config-to-tools.ipynb
          - Handle many tools: how-tos/many-tools.ipynb
      - Subgraphs:
          - Create subgraphs: how-tos/subgraph.ipynb
          - Manage state in subgraphs: how-tos/subgraphs-manage-state.ipynb
          - Transform inputs and outputs of a subgraph: how-tos/subgraph-transform-state.ipynb
      - State Management:
          - Use Pydantic model as state: how-tos/state-model.ipynb
          - Have a separate input and output schema: how-tos/input_output_schema.ipynb
          - Pass private state between nodes inside the graph: how-tos/pass_private_state.ipynb
      - Other:
          - Run graph asynchronously: how-tos/async.ipynb
          - Visualize your graph: how-tos/visualization.ipynb
          - Add runtime configuration: how-tos/configuration.ipynb
          - Add node retries: how-tos/node-retries.ipynb
          - Return structured output from a ReAct agent: how-tos/react-agent-structured-output.ipynb
          - Pass custom LangSmith run ID for graph runs: how-tos/run-id-langsmith.ipynb
          - Return state before hitting recursion limit: how-tos/return-when-recursion-limit-hits.ipynb
      - Prebuilt ReAct Agent:
          - Create a ReAct agent: how-tos/create-react-agent.ipynb
          - Add memory to a ReAct agent: how-tos/create-react-agent-memory.ipynb
          - Add a system prompt to a ReAct agent: how-tos/create-react-agent-system-prompt.ipynb
          - Add Human-in-the-loop to a ReAct agent: how-tos/create-react-agent-hitl.ipynb
          - Create prebuilt ReAct agent from scratch: how-tos/react-agent-from-scratch.ipynb
  - "Conceptual Guides":
      - Why LangGraph?: concepts/high_level.md
      - LangGraph Glossary: concepts/low_level.md
      - Common Agentic Patterns: concepts/agentic_concepts.md
      - Human-in-the-Loop: concepts/human_in_the_loop.md
      - Memory: concepts/memory.md
      - Multi-Agent Systems: concepts/multi_agent.md
      - Persistence: concepts/persistence.md
      - Streaming: concepts/streaming.md
      - FAQ: concepts/faq.md
  - Reference:
      - Graphs: reference/graphs.md
      - Checkpointing: reference/checkpoints.md
      - Prebuilt Components: reference/prebuilt.md
      - Channels: reference/channels.md
      - Errors: reference/errors.md
      - Types: reference/types.md
      - Constants: reference/constants.md
  - "Cloud (beta)":
      - "cloud/index.md"
      - Tutorials:
          - Quick Start: "cloud/quick_start.md"
      - How-to Guides: 
          - "cloud/how-tos/index.md"
          - Setup:
              - Setup App: "cloud/deployment/setup.md"
              - Setup App (pyproject.toml): "cloud/deployment/setup_pyproject.md"
              - Setup App (JavaScript): "cloud/deployment/setup_javascript.md"
              - Rebuild Graph at Runtime: "cloud/deployment/graph_rebuild.md"
              - Customize Dockerfile: "cloud/deployment/custom_docker.md"
              - Test App Locally: "cloud/deployment/test_locally.md"
          - Deployment:
              - Deploy to Cloud: "cloud/deployment/cloud.md"
          - Streaming:
              - Stream Values: "cloud/how-tos/stream_values.md"
              - Stream Updates: "cloud/how-tos/stream_updates.md"
              - Stream Messages: "cloud/how-tos/stream_messages.md"
              - Stream Events: "cloud/how-tos/stream_events.md"
              - Stream Debug: "cloud/how-tos/stream_debug.md"
              - Multiple Modes: "cloud/how-tos/stream_multiple.md"
          - Double Texting:
              - Interrupt: "cloud/how-tos/interrupt_concurrent.md"
              - Rollback: "cloud/how-tos/rollback_concurrent.md"
              - Reject: "cloud/how-tos/reject_concurrent.md"
              - Enqueue: "cloud/how-tos/enqueue_concurrent.md"
          - Human-in-the-Loop: 
              - Add Breakpoint: "cloud/how-tos/human_in_the_loop_breakpoint.md"
              - Wait for User Input: "cloud/how-tos/human_in_the_loop_user_input.md"
              - Edit Graph State: "cloud/how-tos/human_in_the_loop_edit_state.md"
              - Replay and Branch from Prior States: "cloud/how-tos/human_in_the_loop_time_travel.md"
              - Review Tool Calls: "cloud/how-tos/human_in_the_loop_review_tool_calls.md"
          - LangGraph Studio:
              - Test Cloud Deployment: "cloud/how-tos/test_deployment.md"
              - Test Local Deployment: "cloud/how-tos/test_local_deployment.md"
              - Invoke graph in LangGraph Studio: "cloud/how-tos/invoke_studio.md"
              - Interact with threads in LangGraph Studio: "cloud/how-tos/threads_studio.md"
          - Different Types of Runs:
              - Run an Agent in the Background: "cloud/how-tos/background_run.md"
              - Run Multiple Agents in Same Thread: "cloud/how-tos/same-thread.md"
              - Create Cron Jobs: "cloud/how-tos/cron_jobs.md"
              - Create Stateless Runs: "cloud/how-tos/stateless_runs.md"
          - Other:
              - Configure Agents: "cloud/how-tos/configuration_cloud.md"
              - Versioning Assistants: "cloud/how-tos/assistant_versioning.md"
              - Convert LangGraph calls to LangGraph Cloud calls: "cloud/how-tos/langgraph_to_langgraph_cloud.ipynb"
              - Integrate Webhooks: 'cloud/how-tos/webhooks.md'
              - Copy Threads: 'cloud/how-tos/copy_threads.md'
              - Check Status of Threads: "cloud/how-tos/check_thread_status.md"
      - Conceptual Guides:
          - API Concepts: "cloud/concepts/api.md"
          - Cloud Concepts: "cloud/concepts/cloud.md"
      - Reference:
          - API: "cloud/reference/api/api_ref.md"
          - SDK:
              - Python: "cloud/reference/sdk/python_sdk_ref.md"
              - JS/TS: "cloud/reference/sdk/js_ts_sdk_ref.md"
          - CLI: "cloud/reference/cli.md"
          - Environment Variables: "cloud/reference/env_var.md"
      - FAQ:
          - Studio: "cloud/faq/studio.md"

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