LangChain
@langchain-aiOrganizationOn the leaderboard
| Rank | Repository | Stars |
|---|---|---|
| 57 | langchain-ai/langchain | 132,376 |
Top repositories by stars
- Python126,852
- langchain-ai/langgraph
Build resilient language agents as graphs.
Python24,812 - langchain-ai/langchainjs
🦜🔗 Build context-aware reasoning applications
TypeScript17,002 - Python10,552
- langchain-ai/deepagents
Deep Agents is an agent harness built on langchain and langgraph. Deep Agents are equipped with a planning tool, a filesystem backend, and the ability to spawn subagents - making them well-equipped to handle complex agentic tasks.
Python9,379 - langchain-ai/local-deep-researcher
Fully local web research and report writing assistant
Python8,500 - Jupyter Notebook7,363
- Rich Text Format6,752
- Python6,237
- langchain-ai/open-canvas
📃 A better UX for chat, writing content, and coding with LLMs.
TypeScript5,359 - langchain-ai/open-swe
An Open-Source Asynchronous Coding Agent
TypeScript5,253 - langchain-ai/langchain-mcp-adapters
LangChain 🔌 MCP
Python3,360 - langchain-ai/langgraphjs
Framework to build resilient language agents as graphs.
TypeScript2,548 - langchain-ai/agent-chat-ui
🦜💬 Web app for interacting with any LangGraph agent (PY & TS) via a chat interface.
TypeScript2,472 - Jupyter Notebook2,430
- langchain-ai/langchain-nextjs-template
LangChain + Next.js starter template
TypeScript2,379 - langchain-ai/langserve
LangServe 🦜️🏓
JavaScript2,269 - langchain-ai/social-media-agent
📲 An agent for sourcing, curating, and scheduling social media posts with human-in-the-loop.
TypeScript2,264 - Python2,166
- langchain-ai/open-agent-platform
An open-source, no-code agent building platform.
TypeScript1,841 - langchain-ai/streamlit-agent
Reference implementations of several LangChain agents as Streamlit apps
Python1,629 - langchain-ai/agents-from-scratch
Build an email assistant with human-in-the-loop and memory
Jupyter Notebook1,498 - Python1,491
- langchain-ai/deep-agents-ui
Custom UI for Deep Agents
TypeScript1,394 - langchain-ai/langgraph-swarm-py
For your multi-agent needs
Python1,385 - Python1,293
- TypeScript1,289
- langchain-ai/langchain-extract
🦜⛏️ Did you say you like data?
Rich Text Format1,186 - Jupyter Notebook1,007
- langchain-ai/mcpdoc
Expose llms-txt to IDEs for development
Python929 - langchain-ai/agent-inbox
📥 An inbox UX for interacting with human-in-the-loop agents.
TypeScript921 - langchain-ai/openevals
Readymade evaluators for your LLM apps
Python902 - langchain-ai/langsmith-sdk
LangSmith Client SDK Implementations
Python780 - TypeScript779
- Python716
- langchain-ai/deepagentsjs
Deep Agents in JS
TypeScript699 - Jupyter Notebook674
- langchain-ai/react-agent
LangGraph template for a simple ReAct agent
Python660 - Python585
- Jupyter Notebook579
- langchain-ai/weblangchain
LangChain-powered web researcher chatbot. Searches for sources on the web and cites them in generated answers.
TypeScript553 - Python522
- Jupyter Notebook516
- langchain-ai/langgraph-bigtool
Build LangGraph agents with large numbers of tools
Python514 - Python506
- langchain-ai/agentevals
Readymade evaluators for agent trajectories
Python477 - Python474
- langchain-ai/deepagents-quickstarts
REPO MOVED
Jupyter Notebook468 - Python411
- Python389
- langchain-ai/langgraphjs-gen-ui-examples
A collection of generative UI agents written with LangGraph.js
TypeScript386 - langchain-ai/langchain-google
🦜🔗 LangChain interfaces to Google's suite of AI products (Gemini & Vertex AI)
Python340 - langchain-ai/langconnect
A managed RAG API server.
Python336 - langchain-ai/langgraph-101
Learn about the fundamentals of LangGraph through a series of notebooks
Jupyter Notebook316 - langchain-ai/langchain-aws
Build LangChain Applications on AWS
Python296 - TypeScript287
- Python275
- langchain-ai/langchain-teacher
Teach LangChain using LangChain!
Python272 - Python269
- langchain-ai/langchain-postgres
LangChain abstractions backed by Postgres Backend
Python265 - langchain-ai/langchain-benchmarks
🦜💯 Flex those feathers!
Python255 - langchain-ai/langchainjs-mcp-adapters
** THIS REPO HAS MOVED TO https://github.com/langchain-ai/langchainjs/tree/main/libs/langchain-mcp-adapters ** Adapters for integrating Model Context Protocol (MCP) tools with LangChain.js applications, supporting both stdio and SSE transports.
TypeScript246 - langchain-ai/docs
🦜🔗 Docs for LangChain projects
MDX243 - langchain-ai/langchain-sandbox
Safely run untrusted Python code using Pyodide and Deno
Python234 - TypeScript232
- Python229
- Python224
- langchain-ai/langchain-community
Community-maintained LangChain integrations
Python220 - langchain-ai/data-enrichment
LangGraph Studio template for creating an agent that does web research to genearte or enrich structured data.
Jupyter Notebook218 - Python212
- langchain-ai/llmanager
🧍♂️LLM as a manager for approval processes.
TypeScript211 - langchain-ai/langgraph-cua-py
An implementation of a computer use agent (CUA) using LangGraph
Python198 - langchain-ai/agent-auth-payments
fullstack chat agent with authentication, request credits and payments built in
TypeScript189 - Jupyter Notebook186
- langchain-ai/create-agent-chat-app
The quickest way to get started building a LangGraph app
TypeScript175 - Python171
- Jupyter Notebook166
- Jupyter Notebook164
- langchain-ai/langsmith-docs
This repo is deprecated. Please go to langchain-ai/docs.
JavaScript163 - Python154
- langchain-ai/lang-memgpt
A bot with memory, built on LangGraph Cloud.
Python151 - Python151
- langchain-ai/robo-blogger
Assistant for voice-to-blog writing
Python147 - langchain-ai/intro-to-langsmith
Resources for the LangSmith Academy Course
Jupyter Notebook146 - langchain-ai/langsmith-fetch
CLI for fetching LangSmith data
Python113 - langchain-ai/langchain-azure
Build secure LangChain applications on Azure
Python113 - TypeScript110
- langchain-ai/langgraph-gen-py
CLI to generate LangGraph stubs from a specification
Python104 - TypeScript104
- langchain-ai/langchain-mongodb
Integrations between MongoDB, Atlas, LangChain, and LangGraph
Python99 - langchain-ai/kork
Natural Language Interfaces Powered by LLMs
Python95 - langchain-ai/reply_gAI
An AI Clone For Any X Profile
Jupyter Notebook93 - langchain-ai/helm
Repository hosting Langchain helm charts.
Shell82 - langchain-ai/langchain-elastic
Elasticsearch integration into LangChain
Python75