langgraph-agent-toolkit

Start and configure

  • Run your first agent
  • Application Onboarding
  • Installation Options
  • Environment Setup
  • Usage Guide

Agents and integrations

  • Choose an agent integration
  • MCP tools
  • Deep Agents
  • Langfuse compatibility

Deploy and upgrade

  • Deployment and Recovery
  • Connections and High Traffic
  • Migrate authentication and checkpoint storage
  • Dependency update review
  • Related projects and source review

Python API reference

  • API Reference
    • langgraph_agent_toolkit package
      • Subpackages
        • langgraph_agent_toolkit.agents package
        • langgraph_agent_toolkit.client package
        • langgraph_agent_toolkit.core package
        • langgraph_agent_toolkit.helper package
        • langgraph_agent_toolkit.schema package
        • langgraph_agent_toolkit.service package
        • langgraph_agent_toolkit.ui package
      • Submodules

Develop and verify

  • Contributing
  • Testing
  • API load tests
  • Local pressure-test results: 2026-09-12
  • Real LLM verification
langgraph-agent-toolkit
  • API Reference
  • langgraph_agent_toolkit package
  • langgraph_agent_toolkit.agents package
  • langgraph_agent_toolkit.agents.blueprints package
  • langgraph_agent_toolkit.agents.blueprints.knowledge_base_agent package
  • Edit on GitHub

langgraph_agent_toolkit.agents.blueprints.knowledge_base_agent package

Submodules

  • langgraph_agent_toolkit.agents.blueprints.knowledge_base_agent.agent module
    • AgentState
      • AgentState.remaining_steps
      • AgentState.retrieved_documents
      • AgentState.kb_documents
      • AgentState.messages
    • get_kb_retriever()
    • wrap_model()
    • retrieve_documents()
    • prepare_augmented_prompt()
    • acall_model()
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