Discover the best projects built with LangChain

A systematic AI Agent development tutorial covering LLM agents, RAG, tool use, memory systems, multi-agent systems, LangChain, LangGraph, MCP, and agentic RL.｜ AI Agent | 、、 Agent | arXiv | Learn AI Agent Development from Scratch. Maintained by Haozhe-Xing on GitHub, where it has earned 397 stars from the community.

An open-source, AI agent-native research canvas application that performs real-time search with HITL (Human in The Loop) capabilities, powered by CopilotKit, Tavily and LangGraph. Maintained by CopilotKit on GitHub, where it has earned 396 stars from the community.

Local coding agent with neat UI. Maintained by rockbite on GitHub, where it has earned 395 stars from the community.

LangChain interfaces to Google's suite of AI products (e.g. Gemini & Vertex AI). Maintained by langchain-ai on GitHub, where it has earned 394 stars from the community.

Unified LangChain documentation. Maintained by langchain-ai on GitHub, where it has earned 393 stars from the community.

LC-StudyLab LangChain v1.0 ， LangGraph、DeepAgents、RAG 、Guardrails ， LangChain v1. Maintained by leonyangdev on GitHub, where it has earned 391 stars from the community.

React components for visualizing traces from AI agents. Maintained by evilmartians on GitHub, where it has earned 390 stars from the community.

Framework to bring LLM applications to production. Maintained by TensorOpsAI on GitHub, where it has earned 389 stars from the community.

A zero-dependency, git-backed micro-lesson library for AI Agents to asynchronously share and search verified debugging experience. Python stdlib only. | https://misakanet.org. Maintained by Ikalus1988 on GitHub, where it has earned 386 stars from the community.

Conversations with your files! Manage and run your AI presets!. Maintained by nicepkg on GitHub, where it has earned 384 stars from the community.

Paper-Agent 。（LangGraph），（NLP）、，、，。Paper-Agent 、、、，。、、，。. Maintained by Tswoen on GitHub, where it has earned 384 stars from the community.

Build LangGraph agents like Next.js apps. Maintained by cacheplane on GitHub, where it has earned 383 stars from the community.

:Multi-Agent ，langraph，txt2sql,txt2cypher, lightrag,. Maintained by skygazer42 on GitHub, where it has earned 381 stars from the community.

repo2pdf is a tool that allows you to convert a GitHub repository into a PDF file. It clones the repository, processes the files, and then creates a PDF. --- DOCS: https://bankkroll-repo2pdf.mintlify.app. Maintained by BankkRoll on GitHub, where it has earned 374 stars from the community.

Building a Multi-Agent AI System with LangGraph and LangSmith. Maintained by FareedKhan-dev on GitHub, where it has earned 372 stars from the community.

Automate lead research, qualification, and outreach with AI agents and Langgraph, creating personalized messaging and connecting with your CRMs (HubSpot, Airtable, Google Sheets). Maintained by kaymen99 on GitHub, where it has earned 366 stars from the community.

The Open Assistant API is a ready-to-use, open-source, self-hosted agent/gpts orchestration creation framework, supporting customized extensions for LLM, RAG, function call, and tools capabilities. It also supports seamless integration with the openai/langchain sdk. Maintained by MLT-OSS on GitHub, where it has earned 365 stars from the community.

RepoGPT: AI-powered GitHub assistant to chat, manage, and explore your repos effortlessly. Maintained by mbarinov on GitHub, where it has earned 360 stars from the community.

A Chrome extension for asking questions over websites. Maintained by bracesproul on GitHub, where it has earned 358 stars from the community.

Build full-stack, type-safe, LLM-powered apps with the T3 Stack, Turborepo, OpenAI, and Langchain. Maintained by zckly on GitHub, where it has earned 354 stars from the community.

State-of-the-art, production ready LLM apps made mega-easy, so you don't have to build them from scratch Create a bot, now. Maintained by momegas on GitHub, where it has earned 349 stars from the community.

A LLM RAG system runs on your laptop. ，，。. Maintained by wzdavid on GitHub, where it has earned 348 stars from the community.

Build AI agents that run for hours, not seconds. Async-first Python harness: auto context-compaction, cost budgets & death-spiral guards, persistent cross-session memory, self-evolving SKILL.md, /goal long-task loop, 40+ tools, 20+ models, MCP/ACP. Ships a CLI + Web Gateway out of the box. Maintained by shibing624 on GitHub, where it has earned 345 stars from the community.

Runtime policy enforcement for AI agents. Cryptographic audit trail, human-in-the-loop approvals, kill switch. Zero code changes. Maintained by Justin0504 on GitHub, where it has earned 343 stars from the community.

Build, Improve Performance, and Productionize your AI Application. Maintained by palico-ai on GitHub, where it has earned 343 stars from the community.

Local execution trees for TypeScript AI agents. agent-inspect helps you understand what happened inside an AI agent run — locally. It turns manual steps, tool calls, LLM calls, structured logs, failures, durations, and run metadata into readable execution trees you can inspect from the terminal. It is built for TypeScript/Node.js developers. Maintained by rajudandigam on GitHub, where it has earned 342 stars from the community.

build cognitive systems, pythonic. Maintained by shroominic on GitHub, where it has earned 341 stars from the community.

Multi-agent team operating system for Claude Code. 108 MCP tools, 40+ agent templates, 10 lifecycle hooks, 7 pipeline workflows. Persistent teams, structured meetings, task wall, real-time React dashboard. No LangChain/AutoGen — pure CC native integration. Maintained by CronusL-1141 on GitHub, where it has earned 341 stars from the community.

CSV-AI is the ultimate app powered by LangChain, OpenAI, and Streamlit that allows you to unlock hidden insights in your CSV files. With CSV-AI, you can effortlessly interact with, summarize, and analyze your CSV files in one convenient place. Maintained by Safiullah-Rahu on GitHub, where it has earned 340 stars from the community.

Build LangChain Applications on AWS. Maintained by langchain-ai on GitHub, where it has earned 339 stars from the community.

Reference implementation of a RAG-based documentation helper using LangChain, Pinecone, and Tavily. Maintained by emarco177 on GitHub, where it has earned 334 stars from the community.

smart-llm-loader is a lightweight yet powerful Python package that transforms any document into LLM-ready chunks. Spend less time on preprocessing headaches and more time building what matters. From RAG systems to chatbots to document Q&A, SmartLLMLoader handles the heavy lifting so you can focus on creating exceptional AI applications. Maintained by drmingler on GitHub, where it has earned 333 stars from the community.

LangChainLangGraphAI Agent. Maintained by cqzyys on GitHub, where it has earned 331 stars from the community.

Integrated AI environment in the terminal. Build, test and instruct agents. Maintained by blob42 on GitHub, where it has earned 330 stars from the community.

Open-source AI Agent platform for teams. Your agents don't just chat — they read files, run code, call APIs, and deliver results. Maintained by 8treenet on GitHub, where it has earned 328 stars from the community.

| Next-Gen Transparent Agent Architecture | | | ⏰ P0 80% | OpenClaw + Claude Code. Maintained by ttguy0707 on GitHub, where it has earned 328 stars from the community.

LLMs Best Tricks. Maintained by itamargol on GitHub, where it has earned 328 stars from the community.

A Modern GUI Interface for Vector Database Management(Supports MCP integration). Maintained by braincrew-lab on GitHub, where it has earned 327 stars from the community.

QA-Pilot is an interactive chat project that leverages online/local LLM for rapid understanding and navigation of GitHub code repository. Maintained by reid41 on GitHub, where it has earned 326 stars from the community.

Ask questions about any data source by leveraging langchains. Maintained by gustavz on GitHub, where it has earned 321 stars from the community.

Code from tutorials presented on the "Code AI with Rok" YouTube channel. Maintained by rokbenko on GitHub, where it has earned 320 stars from the community.

This AI Smart Speaker uses speech recognition, TTS (text-to-speech), and STT (speech-to-text) to enable voice and vision-driven conversations, with additional web search capabilities via OpenAI and Langchain agents. Maintained by Olney1 on GitHub, where it has earned 318 stars from the community.

Chatbot assistant enabling GitHub repository interaction using LLMs with Retrieval Augmented Generation. Maintained by pnkvalavala on GitHub, where it has earned 317 stars from the community.

Drop-in prompt compression for production LLM apps. Cut your token bill 40-60% without changing your code. Python SDK, LLMLingua-2, MIT. Maintained by jia-gao on GitHub, where it has earned 316 stars from the community.

Second Brain AI agent. Maintained by flepied on GitHub, where it has earned 312 stars from the community.

An AI-powered arXiv paper summarization website with a virtual assistant for answering questions. Maintained by summarizepaper on GitHub, where it has earned 310 stars from the community.

LangChain/LangGraph ReAct Agent ， RAG、 Streamlit ，。. Maintained by lhh737 on GitHub, where it has earned 308 stars from the community.

A free open source RAG based AI legal assistant. Maintained by lawglance on GitHub, where it has earned 305 stars from the community.

Building composable LLM applications & workflow with Java. Maintained by li2109 on GitHub, where it has earned 305 stars from the community.

BookWith – A New Reading Experience with AI. A next-generation conversational reading platform that goes beyond traditional e-book readers. Maintained by shutootaki on GitHub, where it has earned 304 stars from the community.

Chrome Extension to Summarize or Chat with Web Pages/Local Documents Using locally running LLMs. Keep all of your data and conversations private.. Maintained by shreyaskarnik on GitHub, where it has earned 304 stars from the community.

Free crypto news API - real-time aggregator for Bitcoin, Ethereum, DeFi, Solana & altcoins. No API key required. RSS/Atom feeds, JSON REST API, historical archive with market context, embeddable widgets, ChatGPT plugin, Claude MCP server, SDKs (Python, TypeScript, Go, React, PHP). AI/LLM ready. Vibe coding friendly. Open source. Maintained by nirholas on GitHub, where it has earned 303 stars from the community.

Generate diagram with AI. Maintained by nilooy on GitHub, where it has earned 302 stars from the community.

An introduction to the world of AI Agents. Maintained by sinanuozdemir on GitHub, where it has earned 300 stars from the community.

，. Maintained by smallnest on GitHub, where it has earned 296 stars from the community.

ReelsMaker is a Python-based/streamlit application designed to create captivating faceless videos for social media platforms like TikTok and YouTube. Maintained by steinathan on GitHub, where it has earned 295 stars from the community.

This repo is to showcase how you can run a model locally and offline, free of OpenAI dependencies. Maintained by jlonge4 on GitHub, where it has earned 295 stars from the community.

AI｜AI agent for deep financial research on Japanese listed companies. Powered by EDINET DB + J-Quants. Maintained by edinetdb on GitHub, where it has earned 295 stars from the community.

Write your robot software in minutes. Maintained by RoboCoachTechnologies on GitHub, where it has earned 292 stars from the community.

AI Device Template Featuring Whisper, TTS, Groq, Llama3, OpenAI and more. Maintained by developersdigest on GitHub, where it has earned 292 stars from the community.