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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:

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 220 repositories
  • deepagents Public
    langchain-ai/deepagents’s past year of commit activity
    Python 3,930 MIT 573 25 11 Updated Sep 26, 2025
  • helm Public

    Repository hosting Langchain helm charts.

    langchain-ai/helm’s past year of commit activity
    Shell 66 Apache-2.0 27 2 1 Updated Sep 27, 2025
  • executive-ai-assistant Public
    langchain-ai/executive-ai-assistant’s past year of commit activity
    Python 2,085 MIT 698 10 4 Updated Sep 27, 2025
  • langchain-nvidia Public
    langchain-ai/langchain-nvidia’s past year of commit activity
    Jupyter Notebook 168 MIT 61 15 0 Updated Sep 26, 2025
  • langsmith-sdk Public

    LangSmith Client SDK Implementations

    langchain-ai/langsmith-sdk’s past year of commit activity
    Python 646 MIT 156 84 17 Updated Sep 26, 2025
  • docs Public

    🦜🔗 Docs for LangChain projects

    langchain-ai/docs’s past year of commit activity
    MDX 13 29 61 25 Updated Sep 27, 2025
  • deepagentsjs Public

    Deep Agents in JS

    langchain-ai/deepagentsjs’s past year of commit activity
    TypeScript 169 MIT 24 5 2 Updated Sep 26, 2025
  • langchainjs Public

    🦜🔗 Build context-aware reasoning applications 🦜🔗

    langchain-ai/langchainjs’s past year of commit activity
    TypeScript 15,771 MIT 2,762 102 (6 issues need help) 50 Updated Sep 26, 2025
  • open-agent-platform Public

    An open-source, no-code agent building platform.

    langchain-ai/open-agent-platform’s past year of commit activity
    TypeScript 1,632 MIT 343 50 16 Updated Sep 27, 2025
  • langgraph Public

    Build resilient language agents as graphs.

    langchain-ai/langgraph’s past year of commit activity
    Python 19,160 MIT 3,363 129 (13 issues need help) 30 Updated Sep 27, 2025
View all repositories