LangChain 的公共 GitHub 足迹

The agent engineering platform.

Build resilient agents.

The batteries-included agent harness.

The agent engineering platform

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An Open-Source Asynchronous Coding Agent

Fully local web research and report writing assistant

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📃 A better UX for chat, writing content, and coding with LLMs.

LangChain 🔌 MCP

Framework to build resilient language agents as graphs.

🦜💬 Web app for interacting with any LangGraph agent (PY & TS) via a chat interface.

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

LangChain + Next.js starter template

LangServe 🦜️🏓

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

Build an email assistant with human-in-the-loop and memory

Custom UI for Deep Agents

Reference implementations of several LangChain agents as Streamlit apps

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For your multi-agent needs

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The batteries included agent harness.

🦜⛏️ Did you say you like data?

Readymade evaluators for your LLM apps

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📥 An inbox UX for interacting with human-in-the-loop agents.

Expose llms-txt to IDEs for development

LangSmith Client SDK Implementations

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LangGraph template for a simple ReAct agent

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Readymade evaluators for agent trajectories

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Build LangGraph agents with large numbers of tools

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Learn about the fundamentals of LangGraph through a series of notebooks

REPO MOVED

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A collection of generative UI agents written with LangGraph.js

🦜🔗 LangChain interfaces to Google's suite of AI products (e.g. Gemini & Vertex AI)

Unified LangChain documentation.

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Build LangChain Applications on AWS

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⚠️ No longer maintained, see linked issue

LangChain abstractions backed by Postgres Backend

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LangGraph Studio template for creating an agent that does web research to genearte or enrich structured data.

🧍‍♂️LLM as a manager for approval processes.

An implementation of a computer use agent (CUA) using LangGraph

This repo is deprecated. Please go to langchain-ai/docs.

A bot with memory, built on LangGraph Cloud.

Resources for the LangSmith Academy Course

A general-purpose coding agent that runs inside an NVIDIA OpenShell sandbox, orchestrated by Deep Agents and powered by NVIDIA Nemotron. The agent writes and executes code in an isolated, policy-governed Linux environment.

Assistant for voice-to-blog writing

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Build secure LangChain applications on Azure

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Integrations between MongoDB, Atlas, LangChain, and LangGraph

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CLI to generate LangGraph stubs from a specification

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Repository hosting Langchain helm charts.

Example LangGraph.js project made to run in LangGraph Studio

🦜🔗 LangChain interface to Weaviate

A coding agent-first CLI for interacting with LangSmith.

The LangChain wrapper of Milvus vector database for efficient vector search, full-text search, hybrid retrieval and RAG.

LangSmith plugins for Claude Code

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🦜🔗 LangChain interface to LiteLLM

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LangGraph Typescript Agents Notebooks: email, human in the loop, memory

Documentation and examples around LangChain's streaming capabilities.

🚚 REPOSITORY MOVED 🚚 - new location: https://github.com/langchain-ai/langgraphjs/tree/main/libs/langgraph-supervisor

LangSmith Java SDK.

Build LangChain applications with Pinecone

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Three voice-agent backends (LiveKit, OpenAI Realtime, Google ADK Live) sharing one console interface, each instrumented for LangSmith

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Repository containing langchain terraform modules

A CLI tool to help users migrate data from their LangSmith cloud/self-hosted workspaces

Public organization profile

A collection of handy scripts and utilities for everyday development and system tasks.

Self-contained code export for LangSmith Fleet deep agents

LangSmith plugin for OpenAI Codex

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