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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:

Products:

  • LangSmith - platform for building and monitoring production-grade LLM applications
  • LangGraph Platform - infrastructure for deploying LangGraph agents

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)

Learn more

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Repositories

Showing 10 of 140 repositories
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    Python 1,421 MIT 356 3 3 Updated Jan 25, 2025
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    langchain-ai/learning-langchain’s past year of commit activity
    Python 3 MIT 3 0 1 Updated Jan 25, 2025
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    langchain-ai/langchainjs’s past year of commit activity
    TypeScript 13,277 MIT 2,291 69 (1 issue needs help) 76 Updated Jan 25, 2025
  • langchain-api-docs-html Public
    langchain-ai/langchain-api-docs-html’s past year of commit activity
    HTML 4 MIT 3 0 0 Updated Jan 25, 2025
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    langchain-ai/langchain-google’s past year of commit activity
    Python 142 MIT 171 62 15 Updated Jan 25, 2025
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    Fully local web research and report writing assistant

    langchain-ai/ollama-deep-researcher’s past year of commit activity
    Python 908 133 2 0 Updated Jan 25, 2025
  • langgraph Public

    Build resilient language agents as graphs.

    langchain-ai/langgraph’s past year of commit activity
    Python 8,395 MIT 1,357 59 33 Updated Jan 25, 2025
  • social-media-agent Public

    📲 An agent for sourcing, curating, and scheduling social media posts with human-in-the-loop.

    langchain-ai/social-media-agent’s past year of commit activity
    TypeScript 812 MIT 124 11 3 Updated Jan 25, 2025
  • langchain Public

    🦜🔗 Build context-aware reasoning applications

    langchain-ai/langchain’s past year of commit activity
    Jupyter Notebook 98,988 MIT 16,097 392 (6 issues need help) 66 Updated Jan 25, 2025
  • langchain-mongodb Public

    Integrations between MongoDB, Atlas, LangChain, and LangGraph

    langchain-ai/langchain-mongodb’s past year of commit activity
    Python 13 MIT 5 0 2 Updated Jan 25, 2025
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