Discover the best projects built with LangChain

Chat with your Database! Natural language to SQL with a friendly UI. LangChain+Streamlit+SQL Agents with SQLAlchemy wrap-up (BigQuery/MySQL). Powered by GPT-4. Maintained by cremerf on GitHub, where it has earned 25 stars from the community.

Chatbot web-applications with LLM, OpenAI API Assistants, LangChain, vector databases, and other AI stuff. Maintained by hiper2d on GitHub, where it has earned 25 stars from the community.

A complete, hands-on roadmap to becoming an AI Engineer, from Python basics to production RAG, Agents, and Fine-Tuning. 10 modules, 20+ notebooks, 15 real projects. Free, open source, built for the community. Maintained by MuhammadIbtisam on GitHub, where it has earned 25 stars from the community.

An agnostic AI-driven exploratory test framework that intelligently explores, tests, and validates any application. Maintained by srbarrios on GitHub, where it has earned 25 stars from the community.

A single-table DynamoDB implementation of the LangGraph checkpoint saver interface. Maintained by aaronsu11 on GitHub, where it has earned 25 stars from the community.

Build your own perplexity for your applications using research4j and integrate them for any domain specific usecases. Maintained by bhavuklabs on GitHub, where it has earned 25 stars from the community.

langgraphgo ，，. Maintained by smallnest on GitHub, where it has earned 25 stars from the community.

Agentic AI Agents, LangChain v1, Gemini 3, Tool Calling, Agent Memory, Prompt Engineering, Guardrails, MCP, FastAPI. Maintained by laxmimerit on GitHub, where it has earned 25 stars from the community.

Learn how to use LangChain to build AI bots that can reason, use your data, and search the internet. Maintained by codingforentrepreneurs on GitHub, where it has earned 25 stars from the community.

AI-powered system generating knowledge graphs from text and answering questions. Maintained by samitugal on GitHub, where it has earned 25 stars from the community.

Repositorio del proyecto y ejercicios del Curso de LangChain de Platzi. Maintained by platzi on GitHub, where it has earned 25 stars from the community.

AgriGenius: AI-Powered Agriculture Chatbot is a Python web application designed to empower farmers with information accessibility. AgriGenius leverages a Retrieval-Augmented Generation model to address farmer's agricultural queries with precise answers. Maintained by jayeshbhandarkar on GitHub, where it has earned 24 stars from the community.

Plug-and-play terminal security layer for LLM agents. Drop-in gatekeeper that prevents dangerous shell commands. Works with OpenAI, Claude, Gemini & more. Maintained by divagr18 on GitHub, where it has earned 24 stars from the community.

A minimal example of how to deploy LangChain to Fly.io using Flask. Maintained by fly-apps on GitHub, where it has earned 24 stars from the community.

Repair invalid JSON documents in C#. Maintained by thijse on GitHub, where it has earned 24 stars from the community.

A local chatbot for managing docs. Maintained by Darthph0enix7 on GitHub, where it has earned 24 stars from the community.

The AI-Powered Healthcare Intelligence Network is an AI-driven system offering disease prediction, drug recommendations, heart disease risk assessment, and an AI medical chatbot. Using ML, NLP, and LLMs, it provides accurate diagnoses, insights, and recommendations, enhancing healthcare accessibility, efficiency, and decision-making. Maintained by AbhaySingh71 on GitHub, where it has earned 24 stars from the community.

LLMOps framework using LangChain, Pinecone and Kubeflow. Maintained by davestroud on GitHub, where it has earned 24 stars from the community.

TSCG — Deterministic tool-schema compiler for LLM agents. 50-72% token savings, 50 tools in 2.4ms. Phi-4 recovers from 0% to 90% accuracy. 459 tests, zero dependencies, MIT. Maintained by SKZL-AI on GitHub, where it has earned 24 stars from the community.

Campus Docs Assistant – Built to solve a common challenge in universities, this AI-powered chatbot uses LLMs, intelligent agents and RAG to make academic documents and institutional information easier to access and understand. Maintained by GiovaneIwamoto on GitHub, where it has earned 24 stars from the community.

Chat with Your Data. Maintained by DorsaRoh on GitHub, where it has earned 24 stars from the community.

AI4Chem is a code to test the ability of large language models (ChatGPT) to comprehend Chemistry. Maintained by andresilvapimentel on GitHub, where it has earned 24 stars from the community.

Integrated LLM-based document and data Q&A with knowledge graph visualization. Maintained by asehmi on GitHub, where it has earned 24 stars from the community.

High-performance Rust accelerators for LangGraph applications. Drop-in components that provide up to 700x speedups for checkpoint operations and 10-50x speedups for state management. Maintained by neul-labs on GitHub, where it has earned 24 stars from the community.

Experiments with interactive theorem provers, LLMs and formal systems. Maintained by RiccardoBiosas on GitHub, where it has earned 24 stars from the community.

AI powered career path recommendation system. Maintained by chandima2000 on GitHub, where it has earned 24 stars from the community.

MCP to LangChain Tools Conversion Utility / TypeScript. Maintained by hideya on GitHub, where it has earned 24 stars from the community.

Configurable deep research assistant. Maintained by iBz-04 on GitHub, where it has earned 24 stars from the community.

Tooling for building applications with x402 payment capabilities. Supports buyer and seller roles. Maintained by edgeandnode on GitHub, where it has earned 24 stars from the community.

VL-JEPA inspired pipeline — compress images/text locally via Ollama, send compact payloads to any LLM API. Cut token costs by ~80%. Maintained by KathanModh259 on GitHub, where it has earned 24 stars from the community.

aigc_serving lightweight and efficient Language service model reasoning. Maintained by ssbuild on GitHub, where it has earned 24 stars from the community.

Multi Generative AI agents for customer support email automation built with Golang, Google-GenAi and Customgraph solution. Maintained by zaynkorai on GitHub, where it has earned 24 stars from the community.

Run o3-pro on your computer.. Maintained by ChihayaYuka on GitHub, where it has earned 24 stars from the community.

Chainlit app to chat with different data - TXTs, PDFs, etc. Maintained by waseemhnyc on GitHub, where it has earned 24 stars from the community.

ChatDataExpert. Maintained by vermilion-bird on GitHub, where it has earned 24 stars from the community.

Edge Vector search engine with Vulkan GPU acceleration, hierarchical indexing (HRM2), and native LangChain integration. Gaussian splat-based architecture for similarity search on resource-constrained devices. Maintained by schwabauerbriantomas-gif on GitHub, where it has earned 24 stars from the community.

Book appointments, record messages, get information and much more via voice through Pam AI, an Auto-GPT like AI receptionist. Maintained by shreyabhadwal on GitHub, where it has earned 24 stars from the community.

Deterministic graph runtime for agent workflows in Swift. Same input, same output, every time — golden-testable, checkpoint-resumable, and built entirely on Swift concurrency. Maintained by christopherkarani on GitHub, where it has earned 24 stars from the community.

A Multi-Agent based application which provides a comphrehensive financial/market analysis of any company. Maintained by psrane8 on GitHub, where it has earned 24 stars from the community.

An opinionated development framework for building production-ready AI agents with LangGraph. It grounds AI coding assistants (Cursor, Windsurf, Cline) and guides them to use local, official documentation, ensuring reliable, secure, and observable agentic workflows. Maintained by botingw on GitHub, where it has earned 23 stars from the community.

opengpt is a open implementation of GPT agents. Maintained by PrAsAnNaRePo on GitHub, where it has earned 23 stars from the community.

Based on the Langchain framework, a retrieval and generative chatbot. langchain. Maintained by GaoQ1 on GitHub, where it has earned 23 stars from the community.

Holmes is an interactive, text-based crime investigation game powered by a large language model (LLM). With each replay, the game offers a fresh narrative, ensuring a unique experience for players every time. Maintained by eliotjlee on GitHub, where it has earned 23 stars from the community.

The LangChain Crash Course Repository is a concise and comprehensive collection of learning materials for the LangChain programming language. Maintained by bhattbhavesh91 on GitHub, where it has earned 23 stars from the community.

Samples showing how to build Java applications powered by Generative AI and LLMs using LangChain4j and Spring Boot. Maintained by ThomasVitale on GitHub, where it has earned 23 stars from the community.

Rushikesh Nimkar's portfolio, accessible at rushikeshnimkar.xyz, is a modern website built with Next.js 15 and TypeScript. It features AI-powered email generation, an interactive chat with an AI version of Rushikesh, dynamic animations, responsive design, dark mode, and showcases his projects and contributions. Maintained by Rushikeshnimkar on GitHub, where it has earned 23 stars from the community.

The Multi-PDF's Chat Agent is a Streamlit-based web application designed to facilitate interactive conversations with a chatbot. The app allows users to upload multiple PDF documents, extract text information from them, and train a chatbot using this extracted content. Users can then engage in real-time conversations with the chatbot. Maintained by Hashir-Ahmad1 on GitHub, where it has earned 23 stars from the community.

This is the Yaitec Hub (Yaitec Community) Repository for sharing AI Templates with Community. Maintained by yaitec on GitHub, where it has earned 23 stars from the community.

Autonomous agent for Kubernetes incident detection, diagnosis, and mitigation using LLMs and modular workflows. Integrates LangChain, LangGraph, and MCP servers to enable automated SRE tasks in cloud-native environments. Maintained by martinimarcello00 on GitHub, where it has earned 23 stars from the community.

GenAI Playground. Maintained by webup on GitHub, where it has earned 23 stars from the community.

In this project I have built a news AI agent using CrewAI And Google Gemini Pro LLM models to generate news articles using the Google Gemini 1.5 Flash LLM model and the serper api. Maintained by NebeyouMusie on GitHub, where it has earned 23 stars from the community.

Accountability protocol for autonomous AI agents on open networks. Maintained by dcp-ai-protocol on GitHub, where it has earned 23 stars from the community.

This project implements a web-based chatbot using open source technology. Maintained by aaronjimv on GitHub, where it has earned 23 stars from the community.

PDF Summarizer using Streamlit, LangChain, and OpenAI frameworks. Maintained by hilmansw on GitHub, where it has earned 23 stars from the community.

Haive AI Agent Framework — production-ready monorepo with 53+ agents, RAG, memory, KG, and games. Maintained by pr1m8 on GitHub, where it has earned 23 stars from the community.

Telephony Server is a powerful bridge that connects telephony providers (Twilio, Vonage, Plivo, etc.) with real-time communication platforms (LiveKit, Jay.so, Pipecat, etc.). It enables seamless call routing, robust metrics collection, and observability features for enhanced telephony operations. Maintained by steinathan on GitHub, where it has earned 23 stars from the community.

Welcome to the RAG University repository! This repository contains code implementations for Retrieval-Augmented Generation (RAG) models, specifically designed for Language Model (LM) tasks. RAG models combine the strengths of both retrieval and generation approaches, enhancing the capabilities of LLMs. Maintained by machinelearningzuu on GitHub, where it has earned 23 stars from the community.

Part of the LangChain.NET project. Has separate abstractions, does not contain dependencies on the main project and can be used independently. Maintained by tryAGI on GitHub, where it has earned 23 stars from the community.

An imperative command-line-interface for AI workload orchestration. Maintained by theoddden on GitHub, where it has earned 23 stars from the community.

The Multi-Agent AI Finance Assistant is an open-source platform designed to provide intelligent financial analysis and decision-making support using a multi-agent AI framework. Leveraging large language models (LLMs) and advanced financial algorithms. Maintained by vansh-121 on GitHub, where it has earned 23 stars from the community.