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@langchain-ai

LangChain

README.md

Build context-aware reasoning applications with LangChain’s flexible abstractions and AI-first toolkits.

Core OSS libraries:

Commercial Platform:

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

OSS extensions and apps:

  • ChatLangChain and ChatLangChain.js - chatbot for answering questions about LangChain's open source libraries
  • Open Canvas - document & chat-based UX for writing code or markdown. Inspired by OpenAI's Canvas (TypeScript)
  • OpenGPTs - open source version of OpenAI's GPTs API (Python)
  • Email assistant - AI assistant that helps you maintain your emails (Python)
  • LangChain + Next.js template - template LangChain.js + Next.js application
  • Social media agent - agent for sourcing, curating, and scheduling social media posts with human-in-the-loop (TypeScript)
  • 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 224 repositories
  • helm Public

    Repository hosting Langchain helm charts.

    langchain-ai/helm’s past year of commit activity
    Shell 68 Apache-2.0 28 2 2 Updated Oct 22, 2025
  • deepagents Public
    langchain-ai/deepagents’s past year of commit activity
    Python 4,510 MIT 660 18 19 Updated Oct 22, 2025
  • langchainjs Public

    🦜🔗 Build context-aware reasoning applications 🦜🔗

    langchain-ai/langchainjs’s past year of commit activity
    TypeScript 16,085 MIT 2,824 129 (6 issues need help) 69 Updated Oct 23, 2025
  • langgraphjs Public

    Framework to build resilient language agents as graphs.

    langchain-ai/langgraphjs’s past year of commit activity
    TypeScript 2,192 MIT 333 57 20 Updated Oct 22, 2025
  • langchain-azure Public

    Build secure LangChain applications on Azure

    langchain-ai/langchain-azure’s past year of commit activity
    Python 97 MIT 39 9 5 Updated Oct 23, 2025
  • langchain-saq Public Forked from tobymao/saq

    SAQ Fork for LangChain

    langchain-ai/langchain-saq’s past year of commit activity
    Python 1 MIT 60 0 0 Updated Oct 22, 2025
  • docs Public

    🦜🔗 Docs for LangChain projects

    langchain-ai/docs’s past year of commit activity
    MDX 43 MIT 250 65 34 Updated Oct 22, 2025
  • langchain Public

    🦜🔗 Build context-aware reasoning applications

    langchain-ai/langchain’s past year of commit activity
    Python 117,778 MIT 19,395 160 (49 issues need help) 88 Updated Oct 22, 2025
  • langchain-datastax Public

    DataStax Astra DB integration with LangChain

    langchain-ai/langchain-datastax’s past year of commit activity
    Python 33 MIT 12 13 0 Updated Oct 22, 2025
  • langchain-unstructured Public
    langchain-ai/langchain-unstructured’s past year of commit activity
    Python 9 MIT 7 7 3 Updated Oct 22, 2025
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