Discover the best projects built with LangChain

analystOS - AI research platform for stocks and crypto with Web UI + Notion automation. Upload docs, scrape URLs, chat with research via RAG. Powered by OpenRouter (50+ models). Maintained by sheeki03 on GitHub, where it has earned 23 stars from the community.

OpenProbe is an advanced agent-based search system that performs deep web searches to answer complex questions. It uses a graph-based approach with LangGraph to orchestrate different components and deliver comprehensive answers. Maintained by Open-Probe on GitHub, where it has earned 23 stars from the community.

The following is a simple example of how LLMs and langchain agents can simplify asking questions to understand the security posture of a cloud environment. Maintained by samvas-codes on GitHub, where it has earned 23 stars from the community.

This Streamlit application allows users to interact with their PostgreSQL database using natural language queries. Users can type questions in natural language, which the app translates into SQL queries executed against the database. The results are then displayed in the chat interface. Powered by Google Generative AI and LangChain's SQL agent tool. Maintained by BlueBash on GitHub, where it has earned 23 stars from the community.

How to build an advanced RAG router based assistant with Amazon Bedrock using LLMs, Embeddings model, and Knowledge Bases for Amazon Bedrock. Maintained by aws-samples on GitHub, where it has earned 22 stars from the community.

GIS agent ArcGIS Pro 3.6 arcpy（AI Agent）。（、、）， GIS 。、，， arcpy、、，、。 GIS 。！. Maintained by CalamityXeroc on GitHub, where it has earned 22 stars from the community.

Insurance-RAG-Chatbot(IVA): An open-source project featuring a retrieval-augmented chatbot developed using Bedrock, LLM, LangChain, Docker, and more. Contribute to advancing insurance interaction with the power of open collaboration. Maintained by arpan65 on GitHub, where it has earned 22 stars from the community.

Project dedicated to explore the capabilities of LLMRouterChain. Maintained by gilfernandes on GitHub, where it has earned 22 stars from the community.

Chino is a terminal-based chatbot based on ChatGPT. Maintained by SAMAD101 on GitHub, where it has earned 22 stars from the community.

Open source implementation of Anthropic's Programmatic Tool Calling. Maintained by daly2211 on GitHub, where it has earned 22 stars from the community.

A set of scripts to build a RAG from the videos of a YouTube channel. Maintained by nbonamy on GitHub, where it has earned 22 stars from the community.

Exploring the Basics of Langchain. Maintained by sourangshupal on GitHub, where it has earned 22 stars from the community.

An AI toolkit for performing complex internet lookups, crawls and summaries. It utilizes and constantly expands it's knowledge stores with each lookup. Comes boundled with a WebUI, and a set of independant workers. Maintained by latekvo on GitHub, where it has earned 22 stars from the community.

Chat with your PDF files for free, using Langchain, Groq, ChromaDB, and Jina AI embeddings. Maintained by S4mpl3r on GitHub, where it has earned 22 stars from the community.

ContextQA - The open-source tool for data-driven conversations. Maintained by zaldivards on GitHub, where it has earned 22 stars from the community.

QuestGen-AI is an advanced exam question generation platform that leverages AI-Agent to automatically create customized question papers from user-uploaded PDF content. Maintained by cRED-f on GitHub, where it has earned 22 stars from the community.

A bunch of LLaMa model investigations, including recreating generative agents (from the paper Generative Agents: Interactive Simulacra of Human Behavior). Maintained by horenbergerb on GitHub, where it has earned 22 stars from the community.

Scaffold production-ready AI agent projects in Python (ReAct, RAG, and Multi-Agent Supervisor) with one CLI command. Maintained by Saichandra2520 on GitHub, where it has earned 22 stars from the community.

Using langchain, deeplake and openai to create a Q&A on the Mojo lang programming manual. Maintained by ngmisl on GitHub, where it has earned 22 stars from the community.

Retrieval-Augmented Generation over PDFs with Google Gemini: chunking, embeddings and grounded question answering in one runnable notebook. 49,000+ views. Maintained by akajammythakkar on GitHub, where it has earned 22 stars from the community.

FastAPI + LangChain + OpenAI API + VueAI，。. Maintained by LucaZou on GitHub, where it has earned 22 stars from the community.

Client-side retrieval firewall for RAG systems — blocks prompt injection and secret leaks, re-ranks stale or untrusted content, and keeps all data inside your environment. Maintained by taladari on GitHub, where it has earned 22 stars from the community.

Enterprise-grade platform to generate and execute Cypress, Playwright, WebdriverIO, and Appium end-to-end tests from natural language requirements. (Appium is experimental and requires external mobile infrastructure.). Maintained by aiqualitylab on GitHub, where it has earned 22 stars from the community.

A customizable Python CLI tool for interacting with local Language Models, ensuring data privacy while providing conversation memory and extensibility through plugins and efficient Retrieval-Augmented Generation capabilities with ChromaDB integration. Also compatible with OpenAI API. Maintained by jeromeboivin on GitHub, where it has earned 22 stars from the community.

Your AI-powered SWE teammate, built into your git workflow. Maintained by srtab on GitHub, where it has earned 22 stars from the community.

This project implements an advanced Retrieval Augmented Generation (RAG) workflow to enhance question-answering accuracy and reduce LLM hallucinations. It leverages LangGraph to create a stateful, multi-step process that includes document retrieval, relevance grading, and web search fallback. Maintained by junfanz1 on GitHub, where it has earned 22 stars from the community.

Agent-native code security review with MCP, structured findings, and practical pre-merge scanning workflows. Maintained by HeJiguang on GitHub, where it has earned 22 stars from the community.

This playbook teaches you how to compose Tableau's varied product capabilities into applications that thrill customers, coworkers and friends!. Maintained by Tab-SE on GitHub, where it has earned 22 stars from the community.

Talk to your data. Instantly analyze, visualize, and transform. Maintained by ahammadnafiz on GitHub, where it has earned 22 stars from the community.

Simple Docker wrapper for LangFlow. Maintained by tlaanemaa on GitHub, where it has earned 22 stars from the community.

An app to organize your research: A Paper Based Approach. Maintained by stepp1 on GitHub, where it has earned 22 stars from the community.

An intelligent customer support system powered by LangGraph and LangChain that uses Retrieval-Augmented Generation (RAG) to provide accurate, context-aware responses to customer queries. Built with FastAPI, FAISS, and multi-stage validation for production-ready deployment. Maintained by amine-akrout on GitHub, where it has earned 21 stars from the community.

A complete LangGraph guide for PhD students and researchers. From zero to multi-agent systems with Python examples (chatbots, ReAct agents, supervisor patterns, research pipelines). Maintained by mkassaf on GitHub, where it has earned 21 stars from the community.

AI-powered chatbot that provides guidance using YouTube video content as a knowledge base. Built with RAG architecture using LangChain, Qdrant, and Google Gemini AI, ElevenLabs and Streamlit. Maintained by ezgisubasi on GitHub, where it has earned 21 stars from the community.

IAttorney is an intelligent legal assistant built using Flask, LangChain, FAISS, OpenAI, and a RAG (Retrieval-Augmented Generation) pipeline. Maintained by gaeldatascience on GitHub, where it has earned 21 stars from the community.

Vector databases for generative AI. Maintained by abhirockzz on GitHub, where it has earned 21 stars from the community.

AI Agent | · · · ·. Maintained by lzz-zzuli on GitHub, where it has earned 21 stars from the community.

Local-first web UI for exploring your X/Twitter bookmarks. Maintained by Gitmaxd on GitHub, where it has earned 21 stars from the community.

AI Pipeline — 、、， Action 。. Maintained by Eleven-Mouse on GitHub, where it has earned 21 stars from the community.

An integration package connecting PyMuPDF4LLM to LangChain. Maintained by pymupdf on GitHub, where it has earned 21 stars from the community.

This script is a chat application that allows users to ask questions about multiple PDF documents implemented with meta's LLAMA2. Maintained by jorge-armando-navarro-flores on GitHub, where it has earned 21 stars from the community.

QnA bot on a CSV. Maintained by ncodepro on GitHub, where it has earned 21 stars from the community.

AIPE (AI Pipeline Engine) is a flexible and powerful tool for creating and executing complex AI workflows. Maintained by rekpero on GitHub, where it has earned 21 stars from the community.

Auto-Browse: AI Enabled Browser Automation. Maintained by gurvinder-dhillon on GitHub, where it has earned 21 stars from the community.

Python SDK for vishwa.ai. Maintained by vishwa-labs on GitHub, where it has earned 21 stars from the community.

Starter kit to deploy LLM agents with memory and RAG using LangChain, OpenAI, and Google Cloud (Cloud Run, BigQuery). Maintained by macespinoza on GitHub, where it has earned 21 stars from the community.

LLMs based multi-model framework for building AI apps. Maintained by parvbhullar on GitHub, where it has earned 21 stars from the community.

Debug your RAG pipeline without leaving the terminal. Real-time chunking visualization, batch testing, quality metrics, and one-click export to LangChain/LlamaIndex. Maintained by rasinmuhammed on GitHub, where it has earned 21 stars from the community.

About Modular AI assistant — 60 built-in tools, multi-provider LLM support (Ollama, OpenAI, Anthropic, Gemini), hybrid memory, WhatsApp/Telegram daemon mode. Maintained by NorthlandPositronics on GitHub, where it has earned 21 stars from the community.

RAG-QA is a free, containerised question-answer framework that allows you to ask questions to your documents in an intuitive way. Maintained by ruankie on GitHub, where it has earned 21 stars from the community.

An end-to-end RAG chatbot using FastAPI, LangChain, ChromaDB & Streamlit with Multi-LLM support to answer questions from uploaded PDFs. Maintained by Zlash65 on GitHub, where it has earned 21 stars from the community.

A project worth exploring. Maintained by BlueBash on GitHub, where it has earned 21 stars from the community.

A flexible platform that provides Docker & Kubernetes backends, a lightweight CLI (mcpt), and client utilities for seamless MCP integration. Spin up servers from templates, route requests through a single endpoint with load balancing, and support both deployed (HTTP) and local (stdio) transports — all with sensible defaults and YAML-based configs. Maintained by Data-Everything on GitHub, where it has earned 21 stars from the community.

LLM as Agent. Maintained by Qiyuan-Ge on GitHub, where it has earned 21 stars from the community.

Production-grade framework for building multi-agent AI systems. Graph-based orchestration, LLM-agnostic (OpenAI, Google GenAI, Anthropic), 3-layer memory (Redis cache + Postgres + vector store), live agents, parallel tool execution, and native MCP. Ships a full ecosystem: backend, REST API + CLI, TypeScript SDK, and React playground. Maintained by 10xHub on GitHub, where it has earned 21 stars from the community.

RAG-enabled multi-agentic system for medical diagnosis and assistance. Maintained by Tyler-KD on GitHub, where it has earned 21 stars from the community.

This comprehensive course teaches students how to build, deploy, and manage autonomous agents for enterprise workflows using the Swarms library. Students will learn to create robust, scalable agent systems that can handle complex business processes, integrate with existing tools, and maintain long-term memory. Maintained by The-Swarm-Corporation on GitHub, where it has earned 21 stars from the community.

Pause your AI agent. Ask a human. Resume with their answer. Open source human-in-the-loop (HITL) library for production LLM agents: Slack, email, and web dashboard. Typed Pydantic and Zod responses. Durable Temporal and LangGraph adapters. AI verifier. Audit trail. Self-hosted, Apache 2.0. Python and TypeScript. Maintained by awaithumans on GitHub, where it has earned 21 stars from the community.

This repository has been created to keep track of my 5 days progress. Maintained by di37 on GitHub, where it has earned 21 stars from the community.

A pipeline to convert contextual knowledge stored in documents and databases into text embeddings, and store them in a vector store. Maintained by aws-samples on GitHub, where it has earned 21 stars from the community.