Langchain agents

Edge compatible PDF.ai Chat with any PDF document You can ask questions, get summaries, find information, and more. Built with Pinecone, OpenAI, Langchain, Nextjs13, TypeScript, Clerk Auth, Drizzle ORM for edge runtime environment, Shadcn UI.

Personalize ChatGPT using LangChain, and get answers from your own documents and knowledge base.

RAG - Add Your Own Data to LLMs Using LangChain & LlamaIndex

Repository containing the LangchainJS toolkit for creating powerful web3 agents.

Build agents and workflows with RAG, MCP, harnesses, & multi-agent orchestration in a 3-week cohort

Demo implementation of a reactive multi agent bot that can answer questions based on relational database information to demonstrate different architecture pattern.

Langchain desktop app @multi-Agent

Developing Coaching Agents for AI Entrepreneurship

基于SpringBoot+Vue3+LangChain4j前后结合的类CSDN+稀土掘金 技术交流博客智能化平台，包含用户端+管理端的结合Agent开发的JavaWeb全栈项目

AI-powered code review tool that analyzes git branch differences and generates comprehensive review reports. Supports AWS Bedrock and Anthropic API. Features automated analysis of logic, security, performance, and code quality with smart token efficiency through prompt caching.

High-performance tool for managing LLM conversations and workflows as DAGs.

AI-powered web scraping agent built with LangGraph, LangSmith, Firecrawl, and Anthropic AI. Automates intelligent crawling, structured data extraction, and LLM-powered content formatting. Efficiently handles anti-bot mechanisms, error recovery, and batch processing. 🚀

LLM-RAG-Agent-Tutorial for AI application developers and researchers.

Hyper minimal AI agent framework: 6kb, < 100 lines, zero dependencies, graph-based orchestration, built-in tracing.

Accounts-payable automation platform that ingests vendor PDF invoices, runs a LangChain multi-agent pipeline, and stores structured results in SQLite with PDFs on AWS S3.

Agentic AI Engineering is a production-grade engineering resource for building modern agentic AI systems with LangChain, LangGraph, RAG, MCP, local models, and deployable Python services.

小理智法 AI 是一款基于大语言模型（LLM）的智能法律咨询平台，集成了法律咨询、合同审查、文书生成、合同起草、合同对比、智能校对、法律文书解读等多项 AI 法律服务。系统采用 LangChain Agent 架构，结合得理法律数据库 API 实现案例检索与法规检索，为用户提供专业、准确、有据可查的法律分析与建议。

LangChain Academy Course on Deep Agents

The Python scripts in this repo use MongoDB Vector Search with Retrieval-Augmented Generation (RAG) architecture to build a Question Answering application. They use the LangChain framework, OpenAI models, as well as Gradio in conjunction with MongoDB Vector Search in a RAG.

Email automation tool that extracts job listings and generates personalized emails with relevant portfolio links.

Your agent still returns the right answer -- but now it calls 3x the tools. Maida is the pre-merge behavioral regression gate for AI agents: baseline agent traces, gate PRs in CI, block behavior regressions before merge. Local-first, no cloud.

Catch silent failures in AI agents before your users do

面向企业合同全生命周期的生产级 AI Agent 平台，支持合同解析、条款结构化、风险审查、HITL 人工确认、版本管理、客户回传 Diff、谈判辅助及 PDF/Email 交付；基于 LangGraph + RAG + ContractPolicy + Agent Workflow，实现可追溯、可恢复、可审查的合同智能处理闭环

Chatbot Answering from Your Own Knowledge Base: Langchain, ChatGPT, Pinecone, and Streamlit

Light but flexible templating and FSM framework. This repo is @promplate itself.

✨Kubewizard is An AI-Agent for automated Kubernetes troubleshooting, and management, based on LangChain and k8s related tools.

Stop overpaying to run your agents. Kalibr routes every request to lower-cost model and tool paths without degrading performance.

The framework to take LLMs out of the box. Learn to use LangChain to call LLMs into new environments, and use memories, chains, and agents to take on new and complex tasks.

Chat to LLaMa 2 that also provides responses with reference documents over vector database. Locally available model using GPTQ 4bit quantization.

Multimodal RAG based on Llama 3.2

RAGify is designed to enhance search capabilities using Retrieval-Augmented Generation (RAG). By combining traditional web search with AI-driven contextual understanding, RAGify retrieves relevant information from the web and generates concise, human-readable summaries.

This is a complete website in which you can chat with pdf, extract meta data, text, links, image, and lot more . Check my blog for more details: https://medium.com/@amit.2503719/allaboutpdf-tool-for-data-extraction-and-talking-to-pdf-using-chatpdf-feature-f2daea15a59c

Question Answering Generative AI application with Large Language Models (LLMs) and Amazon OpenSearch Service

LangChain and Streamlit RAG Demo App on Community Cloud showcases

AppifyAi: Transform conversations into stunning web apps. Dynamic code generation + intuitive interface. Unleash your creativity effortlessly. Use the power of GPT OpenAI LLM and 🦜️🔗 LangChain ⚡and ChromaDB.

Retrieval-Augmented-Generation of over 1700+ pages of Unreal Engine documentation served through FAISS + OpenAI with LangChain

This is the final year project of university, in which my group is developing a chatbot for university admissions using LLMS and RAG. The bot is powered by Langchain and FastAPI. The UI and frontend is developed in Next.js.

Multi-Agent AI System with LangChain, AutoGen, Azure OpenAI GPT-4, and Azure PostgreSQL

Scraping Wikipedia by combining LangChain's agents and tools with OpenAI's LLMs and function calling

The AI-powered HR platform to manage, support, and grow your employees : all in one place.

[ASE 2025 NIER] An LLM-based system that fully automates Chaos Engineering

This repository contains hybrid-rag a LLMOPS python package

JusChat é um assistente jurídico inteligente baseado em tecnologia GraphRAG (Graph Retrieval Augmented Generation) que utiliza processamento de linguagem natural e grafos de conhecimento para consulta e análise de documentos jurídicos brasileiros.

An agnostic AI-driven exploratory test framework that intelligently explores, tests, and validates any application

Open source platform for robots based on LLM

This GitHub repository guides you through building an advanced Conversational AI assistant using AWS services and Anthropic's Claude V2 model. It features intelligent routing to relevant functions, database querying, semantic searches, Lambda function executions, and specialized interactions.

An experimental open-source AutoGPT and Langchain based tool kit for network security

Draw with LLMs in ROS2 TurtleSim

Notebooks to demo the use of Azure AI Python SDK / LangChain with DeepSeek R1 reasoning model in Azure AI Foundry.

Chatbot to interact with a SQL database using LLMs and Langchain agents

Build, deploy, and manage LLM-powered agents on  platforms.

The app uses the Gemini language model to generate personalized book recommendations.

A cold email automation tool which extracts job listings from a company’s careers page and generates personalized outreach emails with relevant portfolio links for more targeted and effective communication.

This is an example Gen AI app built with Langgraph.js, Next.js and Vercel's AI SDK

Podcast Summarizer with LLM Technology

👽 基于大模型的知识库问答 | Large model-based knowledge base Q&A.

Creating Intelligent Terminal Apps with ChatGPT and LLM Models

A platform that lets you create pre-generated summaries and key concepts by only giving the YouTube video URL link.

Autonomous agent networks for task automation that requires multi-step reasoning

Integrates LLMs as PTransform in Apache Beam pipelines using LangChain

A LangGraph-based research assistant that helps find, analyze, and summarize scientific papers. Built with Mistral LLM (via Ollama) and Flask, this agent can search papers through CORE API, process PDFs, and provide structured research summaries.

Augmented AI decision framework

AgenticRAG is an advanced AI-powered retrieval-augmented generation (RAG) Agent designed to provide users with an interactive and intelligent conversational experience

Production-ready RAG framework for Python — multi-tenant chatbots with streaming, tool calling, agent mode (LangGraph), vector search (FAISS), and persistent MongoDB memory. Built on LangChain.

Implementation of Corrective RAG using LangChain and LangGraph.

Privacy-first document intelligence engine — parse PDFs, DOCX, PPTX, XLSX & CSV into AI-ready chunks for RAG pipelines. Includes HITL review, 3-layer memory chat, and a production FastAPI server.

Build a Reddit Content Research Agent with LLMs, LangChain, SERP, Jupyter, Django, Bright Data, Celery, Django QStash, and much more.

A structured learning repo for retrieval-augmented generation, from foundations to production patterns.

AgentOS is a lightweight, single-file implementation that provides a robust foundation for building autonomous AI agents. It implements the core concepts outlined in Karpathy's Agent OS architecture while maintaining simplicity and extensibility.

Make stochastic AI systems durable with one decorator

Unified multi-layer caching library for AI/agent pipelines — LangChain, LangGraph, AutoGen, CrewAI, Agno, A2A

Zeno Agent 是一个面向企业（toB）的服务端 AI Agent 平台，基于 Spring Boot + LangChain4j 1.11.0 构建。平台的核心能力在于：每个 Agent 可以独立配置自己的工具集、知识库和 Skill 库；通过 GLOBAL/PERSONAL 双模式 MCP 架构，既支持企业统一管控的服务端工具，也支持用户私有的客户端工具（密钥不离开浏览器）；配合工具渐进式加载和 Skill 渐进式注入，突破 LLM 上下文窗口限制，让 Agent 可以绑定上百个工具

⚡ Production-ready LangGraph interrupt template with modern web interface | Human-in-the-loop AI workflows | FastAPI backend + Next.js frontend

Agentic RAG tutor for applied AI, LLMs, RAG, and Python: a LangGraph agent (FastAPI + Next.js) grounded in a curated course and library corpus.

A cold email automation tool which extracts job listings from a company’s careers page and generates personalized outreach emails with relevant portfolio links for more targeted and effective communication.

Runnable examples integrating Circle Agent Stack with LangChain, Claude Agent SDK, OpenAI Agents SDK, Vercel AI SDK and Google ADK.

Modawen Agent for WordPress is a completely autonomous, AI-powered multi-agent SaaS that researches live trends, writes deep-dive SEO-optimized articles, manages your WordPress site, and generates viral social media marketing entirely on autopilot.

AI/ML Engineer in progress — LLM, RAG, Computer Vision. Open to full-time AI Engineer roles.

A LangChain-powered multi-agent system with agent routing, skill routing, and execution harness.

Xây dựng AI Agent Website

LangGraph agent template with MCP.

Multi-Agent AI system that automatically retrieves the latest Football news and creates a newsletter

Search your favorite websites and chat with them, on your desktop🌐

This project is a Python script that scrapes a Linkedin PDF, generates a customized portfolio site using OpenAI's GPT-4 model with the help of LangChain and deploy the site to Vercel.

GPT4 for windows, macos and ubuntu

Agent Builder API - Backend service for Agent Smith extension

Create, customize, and launch autonomous AI Agents in your browser. 🤖🚀

CopperAI offers a hands-free, voice-to-voice interaction system with a Large Language Model (LLM)

Local rag using ollama, langchain and chroma.

AI Emoji Argue Agent 🚀 基于LangChain的开源表情包斗图Agent

A chatbot built with Python and Angular, utilizing POML for prompting and Langchain framework. Angular version 20. Developed by HERE AND NOW AI

MCP to LangChain Tools Conversion Utility / Python

The Yahoo Finance Agent is an application that combines OpenAI's LLMs, the Yahoo Finance Python library, and LangChain's tools to provide real-time financial data. It features stock information, financial statements, and an interactive chat interface, all while maintaining conversation context and integrating with Langsmith for debugging

A simple prompt testing library for LLMs.

Powerful Auto Research powered by LangChain, and Anthropic.

Build an LLM powered Ask the Data App with LangChain (using the Pandas DataFrame Agent) and Streamlit

Langchain Agents

Generative AI Client for SAP HANA Cloud is an extension of the existing HANA ML Python client library, mainly focusing on GenAI and related use cases. It includes many leading-edge GenAI related open source libraries and provides seamless integration with HANA ML, HANA vector engine, and other SAP GenAI Hub SDK.

brickllm with langgraph

Open source framework designed to accelerate the development of omnichannel AI virtual assistants.