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.core package
  • langgraph_agent_toolkit.core.models package
  • Edit on GitHub

langgraph_agent_toolkit.core.models package

Submodules

  • langgraph_agent_toolkit.core.models.chat_openai module
    • AzureChatOpenAIPatched
      • AzureChatOpenAIPatched.model_config
    • ChatOpenAIPatched
      • ChatOpenAIPatched.model_config
  • langgraph_agent_toolkit.core.models.factory module
    • CompletionModelFactory
      • CompletionModelFactory.init_chat_model()
      • CompletionModelFactory.create()
      • CompletionModelFactory.get_model_from_config()
    • EmbeddingModelFactory
      • EmbeddingModelFactory.create()
      • EmbeddingModelFactory.get_model_from_config()
  • langgraph_agent_toolkit.core.models.fake module
    • FakeToolModel
      • FakeToolModel.__init__()
      • FakeToolModel.bind_tools()
      • FakeToolModel.model_config
  • langgraph_agent_toolkit.core.models.transport module
    • LLMTransportConfig
      • LLMTransportConfig.model_config
      • LLMTransportConfig.async_transport
      • LLMTransportConfig.max_connections
      • LLMTransportConfig.max_keepalive_connections
      • LLMTransportConfig.keepalive_expiry
      • LLMTransportConfig.connect_timeout
      • LLMTransportConfig.read_timeout
      • LLMTransportConfig.write_timeout
      • LLMTransportConfig.pool_timeout
      • LLMTransportConfig.max_retries
      • LLMTransportConfig.shutdown_timeout
      • LLMTransportConfig.max_pools
      • LLMTransportConfig.validate_limits()
    • LLMTransportManager
      • LLMTransportManager.__init__()
      • LLMTransportManager.from_settings()
      • LLMTransportManager.bind()
      • LLMTransportManager.configure()
      • LLMTransportManager.aclose()
    • current_llm_transport_manager()
    • configure_model_transport()
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