Discover the best projects built with LangChain

A LLM Agent with Langchain/Langgraph helps to analyze CV, look relevant jobs via API, and write a cover letter according to it. Maintained by touhi99 on GitHub, where it has earned 61 stars from the community.

Convert LangChain tools to FastMCP tools. Maintained by xiaotonng on GitHub, where it has earned 61 stars from the community.

LLM Optimize is a proof-of-concept library for doing LLM (large language model) guided blackbox optimization. Maintained by sshh12 on GitHub, where it has earned 61 stars from the community.

Dual API router (Anthropic + OpenAI compatible) for Claude MAX Plan - Use flat-rate billing with ANY AI tool: OpenAI SDK, LangChain, Anthropic SDK, and more. Maintained by nsxdavid on GitHub, where it has earned 61 stars from the community.

Empower your Obsidian vault with an AI agent from the provider of your choice. Maintained by TheManuelML on GitHub, where it has earned 61 stars from the community.

Local memory infrastructure for AI agents. Store knowledge and skills in isolated vaults you compose, control and query. Maintained by Filippo-Venturini on GitHub, where it has earned 60 stars from the community.

Champion at BUET CSE FEST 2024 Hackathon - EasyTrip is an AI-powered platform that simplifies travel planning by generating smart itineraries, integrating interactive maps and weather updates, and automating content creation like blogs and vlogs. Maintained by Quantum-Guys on GitHub, where it has earned 60 stars from the community.

One chat interface across OpenAI, Anthropic and Gemini — with tools, web browsing and shared threads. Built on LangChain. Maintained by kuluruvineeth on GitHub, where it has earned 60 stars from the community.

Production-ready platform for building, deploying, and operating AI and agentic applications. Maintained by ThalesGroup on GitHub, where it has earned 60 stars from the community.

Build-An-LLM-RAG-Chatbot-With-LangChain-Python. Maintained by kaizenX209 on GitHub, where it has earned 60 stars from the community.

The runtime reliability layer for AI agents. Maintained by dunetrace on GitHub, where it has earned 59 stars from the community.

Structured Output Is All You Need!. Maintained by 0xfirattamur on GitHub, where it has earned 59 stars from the community.

instinct.cpp provides ready to use alternatives to OpenAI Assistant API and built-in utilities for developing AI Agent applications (RAG, Chatbot, Code interpreter) powered by language models. Call it langchain.cpp if you like. Maintained by RobinQu on GitHub, where it has earned 59 stars from the community.

CLI enabling more autonomous black-box penetration tests using Large Language Models (LLMs). Maintained by JuliusHenke on GitHub, where it has earned 59 stars from the community.

AI tool that generates an Audio short story based on the context of an uploaded image by prompting a GenAI LLM model, Hugging Face AI models together with OpenAI & LangChain. Maintained by GURPREETKAURJETHRA on GitHub, where it has earned 59 stars from the community.

GenAI Experimentation. Maintained by jayita13 on GitHub, where it has earned 59 stars from the community.

This template demonstrates how to create a collaborative team of AI agents that work together to process, analyze, and generate insights from documents. Maintained by The-Swarm-Corporation on GitHub, where it has earned 59 stars from the community.

Streamlit application that leverages ChatGPT and LangChain to analyze tweet sentiment from selected Twitter authors. Maintained by curiousily on GitHub, where it has earned 59 stars from the community.

The Oracle LangChain integration provides official LangChain support for Oracle’s Generative AI and AI Platform services, enabling developers to build intelligent, secure, and scalable applications powered by Oracle’s cloud technologies. Maintained by oracle on GitHub, where it has earned 59 stars from the community.

A starter template for building Next.js applications with Supabase for authentication, TypeScript, and Tailwind CSS. Includes branches for creating Langchain and LLM chat interfaces and integrating Stripe subscription payments, making it ideal for setting up modern, scalable web apps with robust auth, AI-driven features, and payment processing. Maintained by ojasskapre on GitHub, where it has earned 59 stars from the community.

Opinionated sample on how to build and deploy a RAG application with Amazon Bedrock and OpenSearch. Maintained by aws-samples on GitHub, where it has earned 59 stars from the community.

Running llama3 using Ollama-Python, Curl, LangChain, Chroma, and User interface. Maintained by kingabzpro on GitHub, where it has earned 59 stars from the community.

This repository demonstrates the construction of a state-of-the-art multimodal search engine, leveraging Amazon Titan Embeddings, Amazon Bedrock, and LangChain. Maintained by build-on-aws on GitHub, where it has earned 58 stars from the community.

This project is a comprehensive recruitment and interview assistance system developed based on large models and agents, leveraging the langgraph and llamaindex agent frameworks. It aims to enhance job search efficiency and interview performance by automating and intelligentizing the entire interview process. it is China Software Cup A3 competition. Maintained by zzzlip on GitHub, where it has earned 58 stars from the community.

Go SDK for interacting with the MCP Toolbox for Databases. Maintained by googleapis on GitHub, where it has earned 58 stars from the community.

Multi-Agent Systems with Google's Agent Development Kit + A2A + MCP. Maintained by RubensZimbres on GitHub, where it has earned 58 stars from the community.

Annotation meets Large Language Models (ChatGPT, GPT-3 and alike). Maintained by doccano on GitHub, where it has earned 58 stars from the community.

This library exposes PAPA, your Personal Assistant powered by Private AI, which can be used in any browser environment and completely offline. Maintained by your-papa on GitHub, where it has earned 58 stars from the community.

GPTStonks is a financial chatbot powered by LLMs and enhanced with data frameworks. It provides natural language conversation capabilities for financial topics, making it an ideal choice for a wide range of financial applications. Maintained by GPTStonks on GitHub, where it has earned 58 stars from the community.

The LangChain wrapper of Milvus vector database for efficient vector search, full-text search, hybrid retrieval and RAG. Maintained by langchain-ai on GitHub, where it has earned 58 stars from the community.

Agentic memory for CTI in Python — STIX knowledge graphs, threat-actor alias resolution, offline-first RAG, MCP server for Claude Code and LangChain agents. Maintained by ThreatRecall on GitHub, where it has earned 58 stars from the community.

100% local RAG system with one-command setup. Your data never leaves your server. AGPL-3.0. Maintained by I3K-IT on GitHub, where it has earned 57 stars from the community.

Local RAG app chat, search and analyse PDF files. Maintained by dbunt1tled on GitHub, where it has earned 57 stars from the community.

AI agent to search Google Flights data. Maintained by harsh-vardhhan on GitHub, where it has earned 57 stars from the community.

Chat with your Documents(PDF, TXT, DOCX, ODT, PPTX etc), Websites and Youtube Chat too!, CSV files. Uses langchain, Ollama, Groq, Gemini, Streamlit. Llama3 available. Maintained by shitan198u on GitHub, where it has earned 57 stars from the community.

Fully local web research and report writing assistant. This repo is a Typescript edition of the Ollama Deep Researcher. Maintained by PacoVK on GitHub, where it has earned 57 stars from the community.

Not-Only LLM Chat. An AI application that enhances creativity and user experience beyond just LLM chat. Noted: Seems it beta version of there is issue with DB please clear site Data in debug. Maintained by zrg-team on GitHub, where it has earned 56 stars from the community.

The open-source experience learning layer for AI agents. Maintained by irzix on GitHub, where it has earned 56 stars from the community.

This chatbot lets you use your microphone to communicate with GPT-4. It uses the OpenAI text to speech to respond with a voice. It uses Pinecone to store long term information and retrieves it to create context. API keys for OpenAI and Pinecone required. Tested on Windows. Maintained by 1nnovat1on on GitHub, where it has earned 56 stars from the community.

An example of how to set your LangChain application up to enable deployment on Kinsta App Hosting services. Maintained by kinsta on GitHub, where it has earned 55 stars from the community.

13 projects using ChatGPT API, Whisper, Embeddings, and DALL-E with Python. Maintained by solygambas on GitHub, where it has earned 55 stars from the community.

image-textQwen3-VL-4B-Instruct lora，langchain+RAG+(Multi-Agent). Maintained by xi029 on GitHub, where it has earned 55 stars from the community.

Open-source observability for your LLM application. Maintained by myscale on GitHub, where it has earned 55 stars from the community.

This is an AI agent playground to demonstrate different agent orchestration patterns and capabilities. Maintained by denniszielke on GitHub, where it has earned 55 stars from the community.

Local AI agent for your laptop. Voice activation, multi-step tool use, 7-layer memory, human-in-the-loop approvals. Zero cloud. Zero API keys. Zero telemetry. Maintained by xbrxr03 on GitHub, where it has earned 54 stars from the community.

Production-ready AI-powered CRM with 6 autonomous agents for lead qualification, email intelligence, sales pipeline, customer success, meeting scheduling, and analytics. Maintained by KlementMultiverse on GitHub, where it has earned 54 stars from the community.

A developer-friendly template for building AI assistants that combines the best of LangServe, LangGraph, and assistant-ui into one seamless package. Maintained by hminle on GitHub, where it has earned 54 stars from the community.

Open source authorization engine for AI agents. Confidence-aware gating · Human-in-the-loop review · Policy-as-code · Full audit trail. Maintained by Lelu-ai on GitHub, where it has earned 54 stars from the community.

，ETH。LLM（DeepSeek、Qwen），。. Maintained by 8treenet on GitHub, where it has earned 54 stars from the community.

A community-driven dictionary that simplifies software, engineering and tech terms for all levels. Maintained by jargonsdev on GitHub, where it has earned 54 stars from the community.

A stateful multi-agent travel service system built on LangChain & LangGraph. Features intelligent task delegation, permission control, and human-in-the-loop verification for flight booking, hotel reservations, car rentals, and tour planning. Maintained by Haohao-end on GitHub, where it has earned 54 stars from the community.

Chatbot based on Almanac of Naval Ravikant. Uses OpenAI's chat completion API. Maintained by progremir on GitHub, where it has earned 54 stars from the community.

A Web app stack written in FastAPI, Qdrant, and React for creating AI projects. Maintained by mallahyari on GitHub, where it has earned 54 stars from the community.

A sophisticated RAG (Retrieval-Augmented Generation) Telegram bot that transforms articles and documents into interactive knowledge bases. Upload PDFs/URLs and get AI-powered answers with source citations. Maintained by KonstantinVanov on GitHub, where it has earned 54 stars from the community.

The FunctionChain is a tool that simplifies and organizes the process of invoking OpenAI functions in your Node.js applications. With this toolkit, you can easily scaffold out and isolate all the OpenAI function calls you need, making your code more modular, maintainable, and scalable. Maintained by developersdigest on GitHub, where it has earned 54 stars from the community.

Faster runtime for coding agents. Make coding agents 25% faster and 30% cheaper on average while keeping the quality same or more. Same Task, Same Quality, Faster and Cheaper. Maintained by lemoncrow-lab on GitHub, where it has earned 54 stars from the community.

Build a simple RAG chatbot with LangChain and Streamlit. Maintained by Faridghr on GitHub, where it has earned 54 stars from the community.

LLM orchestration toolkit for agent workflows: planner + workers + synthesis, optional router (LLM + learned fallback), supports OpenAI/Anthropic/Ollama/llama.cpp, real scraping with caching, MCP server integration, and a TUI chat UI. Maintained by llm-use on GitHub, where it has earned 53 stars from the community.

https://aletheiafact.org a Crowd-sourced fact checking platform. Maintained by AletheiaFact on GitHub, where it has earned 53 stars from the community.

Clyro is a governance platform for AI agents. While most tools let you watch agents fail, Clyro stops failures before they happen, catching infinite loops, runaway costs, and policy violations in real time. Maintained by getclyro on GitHub, where it has earned 53 stars from the community.