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@langchain-ai

LangChain

README.md

The agent engineering platform.

Core OSS libraries:

Commercial Platform:

  • LangSmith – platform for building and monitoring production-grade LLM applications

OSS extensions and apps:

  • Deep Agents Code - dcode is an open-source coding agent in your terminal, similar to Claude Code or Cursor, powered by any LLM
  • Open SWE – open-source asynchronous coding agent
  • OpenWiki - CLI agent for codebase and personal memory wiki generation & maintenance.
  • Agent Protocol – our attempt at codifying the framework-agnostic APIs that are needed to serve LLM agents in production

Learn more

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Repositories

Showing 10 of 268 repositories
  • terraform Public

    Repository containing langchain terraform modules

    langchain-ai/terraform's past year of commit activity
    HCL 22 Apache-2.0 19 0 28 Updated Oct 31, 2026
  • open-swe Public

    LangChain's software factory

    langchain-ai/open-swe's past year of commit activity
    Python 11,154 MIT 1,314 0 176 Updated Oct 31, 2026
  • react-agent Public template

    LangGraph template for a simple ReAct agent

    langchain-ai/react-agent's past year of commit activity
    Python 861 MIT 701 13 11 Updated Oct 31, 2026
  • chat-langchain Public
    langchain-ai/chat-langchain's past year of commit activity
    TypeScript 6,471 MIT 1,491 3 547 Updated Oct 31, 2026
  • langsmith-skills Public
    langchain-ai/langsmith-skills's past year of commit activity
    Python 163 MIT 17 1 5 Updated Oct 31, 2026
  • helm Public

    Repository hosting Langchain helm charts.

    langchain-ai/helm's past year of commit activity
    Shell 98 Apache-2.0 48 4 61 Updated Oct 31, 2026
  • docs Public

    Unified LangChain documentation.

    langchain-ai/docs's past year of commit activity
    MDX 443 MIT 2,784 247 99 Updated Oct 31, 2026
  • langgraph-messaging-integrations Public

    Event server integrations with Slack and other messaging platforms.

    langchain-ai/langgraph-messaging-integrations's past year of commit activity
    Python 66 MIT 19 0 1 Updated Oct 31, 2026
  • react-agent-js Public template
    langchain-ai/react-agent-js's past year of commit activity
    TypeScript 119 MIT 47 0 2 Updated Oct 31, 2026
  • retrieval-agent-template-js Public template
    langchain-ai/retrieval-agent-template-js's past year of commit activity
    TypeScript 36 MIT 13 0 3 Updated Oct 31, 2026
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