Langchain agents

🔎 A deep-dive into HyDE for Advanced LLM RAG + 💡 Introducing AutoHyDE, a semi-supervised framework to improve the effectiveness, coverage and applicability of HyDE

📚 AI-powered research reading workbench. Project-based paper Q&A with Hybrid RAG, multi-agent workflows (ReAct/Plan-Act/RePlan), long-term memory, and traceable evidence. Built with LangChain + LangGraph + Streamlit.

Cryptographic trust and authorization evidence for AI agents. Every action a receipt, every grant a proof.

Real-time Polymarket tracker with news aggregation, large activity monitoring, price movement signals, top holder analysis, and AI Agents debate floor.

AI-powered fashion recommendation system leveraging LLMs, embeddings, and retrieval techniques to deliver personalized shopping experiences.

21 runnable reference implementations of agent design patterns, including routing, planning, RAG, tool use, reflection, and multi-agent workflows.

Day-by-day AI/ML roadmap — 5 phases, 33 weeks, 12 projects. From Python to GenAI. Built by a student, for students. 🚀

Docker sandbox backend for deepagents

SKILL智能客服系统 基于 LangChain/LangGraph 的完整智能客服解决方案。本系统整合了原教程 11 个章节的所有核心功能，包括对话记忆、RAG 知识库、情绪识别、意图分类、工单系统、监控评价、计划执行、多 Agent 系统、MCP 技能系统等。本系统目的是为了让skill能够变成公开服务。

Dark, lime-accented one-page portfolio of Bharani Kumar S — an AI full-stack developer. Smooth-scrolling vanilla JS, SEO-ready, Resend contact form, deployed on Vercel.

Chat with your PDFs, built using Streamlit and Langchain. Allows the user to ask questions to a LLM, which will answer based on the content of the provided PDFs.

Upload personal docs and Chat with your PDF files with this GPT4-powered app. Built with LangChain, Pinecone Vector Database, deployed on Streamlit

AI Chatbot with Streamlit, Langchain, and Mistral7b

✸ CryptoGPT — An experiment for LLMs achieving Financial Autonomy.

Generate subtitles for all the videos in a folder with OpenAI's Whisper privately in your computer.

Demonstrate how to use DeepSeek-R1 models GitHub Models, Azure or Ollama

Chat with your PDF documents using this AI-powered SaaS - leveraging TypeScript, Next.js 14, Tailwind CSS, Pinecone, and Langchain.

The Smart Marketing Assistant is an innovative project that leverages AI agents to automate tasks within an Instagram marketing workflow. This project aims to streamline and optimize various marketing activities, providing users with a powerful tool to enhance their social media strategies.

Lightweight RAG provenance middleware. Verifies every claim in an LLM response is grounded in a retrieved source - without an LLM call.

One API, any AI

Detect hallucinations in LLM responses. Verify every claim against source documents using hybrid STS + NLI. Works with LangChain, LlamaIndex, or any RAG pipeline. pip install longtracer

OxyJen is an open-source Java framework for orchestrating LLM workloads with graph-style execution, context-aware memory, and deterministic retry/fallback. It treats LLMs as native nodes (not helper utilities), allowing developers to build multi-step AI pipelines that integrate cleanly with existing Java code.

An open source and enterprise-grade implementation of the orchestrator-worker pattern from Anthropic's paper, "How we built our multi-agent research system," using the swarms framework.

A 30-minute course to get up to speed on how AI agents actually work

A FastAPI-powered workflow orchestration system that integrates LangGraph to design, run, and manage AI Agents workflows

🏗️ Run coding agents in a sandbox, not on your machine.

26-framework SDET monorepo: Playwright, Selenium, Cypress, Cucumber, Postman, FastAPI, Pact, AI/LLM eval (DeepEval), agentic AI (LangChain, LangGraph, DSPy, Claude), k6, flakiness detection, site monitoring, failure triage, QMS evidence (ISO 9001/SOC 2), dependency audit · GitHub Actions · DataDog · Terraform IaC

从 Java 开发者到 AI Agent 工程师的 30 天实战之路 | Spring Boot + Spring AI + MCP + Multi-Agent

Langchain and Autogen wrapper to allow agents to communicated and get Identity on Zynd AI

DiscordLangAgent: This is a Discord chatbot built with LangChain. It uses the 'Agents' feature in LangChain to create flexible conversation chains based on user input. The bot can interact with different language models and tools, and supports multiple API endpoints.

AIGC 知识库问答系统快速搭建，便于企业级定制化，支持文档上传，向量存储，聊天式问答。

A collection of experimental Retrieval Augmented Generation (RAG) Techniques to elevate your pipelines, all with code and intuitive explanations

This Smart Customer Support Chatbot is an intelligent and context-aware solution designed to revolutionize Ecommerce customer interactions and provide exceptional support.

Langchain SQL Agent Boostrap application. Flask on the backend, React on the front.

This project demonstrates how to utilize Codellama, a local open-source Large Language Model (LLM), and customize its behavior according to your specific requirements using a Modelfile.

Chatbot slot filling based on LLM + langchian｜多轮对话槽值填充。

A chatbot demo that scrapes a website and stores the result in a vector db, which can then be queried via natual language - chatgpt style.

Enhance your knowledge in medical research with the help of LLM and RAG.

MOM AI transcribes audio into meeting summary and generate minutes of meeting. Built using Langchain, OpenAI GPT-3, Open Whisper.

Local Agentic RAG using Langchain and Agno

An agent with human in the loop that can search the web for information while bypassing bot detection for private sites.

AI-powered legal chatbot that leverages Retrieval-Augmented Generation (RAG) with DeepSeek R1 for advanced legal reasoning and document analysis. It provides a sophisticated legal assistant that can process and analyze complex legal documents, retrieve relevant information using advanced vector search, and generate nuanced legal analysis.

通过整合LangChain、大语言模型(LLM)、FastAPI和Streamlit，我们打造了一个直观、高效的PID参数调优平台

Fast browser agent on langchain-typesafe

Build and deploy powerful AI agents using LangChain, RAG, Langgraph, and GPT – from beginner to advanced.

🤖 This is the Go language implementation of microsoft/TypeChat.

Intelligent search engine/QA module that uses GPT models to provide accurate, relevant & recent answers from Google News/Web, & can directly answer user queries using GPT's knowledge.

ChatGPT Prompt Engineering for Developers.

AI writing assistant built with FastAPI, LangChain, LangGraph, RAG, and OpenAI-compatible APIs for style extraction, rewriting, review, and cover generation

Local character AI chatbot with chroma vector store memory and some scripts to process documents for Chroma

LangChain / LangGraph Q&A 에이전트

Langchain Voice Agent with Inworld TTS

YouTubeGPT • AI Chat with 100+ videos ft. YouTuber Matt Wolfe (@mreflow) 🐺🟣🤖💬

A Python Mixin to help convert any LangChain Chat Model into a Tool Calling LLM

0基础上手Java AI应用开发教程，从0开始带你学习如何用langchain4j搞定 RAG、Agent、MCP等概念和应用开发。

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).

LangChain + LangGraph + LangSmith 入门教程实践

Engineering infrastructure for building retrieval, memory, and context-aware AI systems.

把对话导购和智能客服融入到传统电商中：Spring Cloud 微服务 + Python Agent，支持搜商品、查订单、售后提案确认。在线体验 www.simlect.com

A collection of AI tutorials from Dr. Ashish Bamania

App built with lang-chain utilizing OpenAI API to generate cool pet names based on the animal type and color.

Unleash the power of AI with QueryWhisperer! Get instant answers to your questions about YouTube videos.

Add Artificial Intelligence following best practices course examples

AI for Network Troubleshooting: A Proof of Concept with OpenAI and Langchain

Simple chatbot using LangChain with RAG and Flask

AI Chatbot that helps you learn how to use Dagger

A collection of Python notebooks with tutorials for the LangChain Library.

智能派单Agent系统是一个基于大语言模型(LLM)和LangChain框架的智能对话系统，用于为用户提供自动化的技师派单服务。系统具备上下文记忆能力，能够理解用户的多轮对话，并根据用户需求匹配合适的技师资源。

Fluent CLI is an advanced command-line interface designed to interact seamlessly with multiple workflow systems like FlowiseAI, Langflow, Make, and Zapier. Tailored for developers and IT professionals, Fluent CLI facilitates robust automation, simplifies complex interactions, and enhances productivity through a powerful and command suite

Streamlit web app utilizing OpenAI (GPT-4) and LangChain LLM tools. Application includes an SQLite DB for login/authentication and message storage for later retrieval. Users can upload/embed their own PDF documents for chatbot reference. The user can then interact with a GPT-4 chatbot intended for the user's specified input, context, and scenario.

advanced-rag 是一个"纯粹的开源高级RAG系统"，基于 FastAPI + Next.js 构建，仅保留 AI 助手对话（含深度研究/深度思考） 与 知识库检索/入库 两大能力，所有 API 匿名访问。

Financial CrewAI Agents (LangChain, YF Tools, Ai Crew, Groq Inference)

Welcome to ChatRPG, where your journey into the world of fantasy is powered by cutting-edge AI. Immerse yourself in endless possibilities, embark on epic adventures, and shape your own destiny in this choose-your-own-adventure (CYOA) game.

Create and interact with Knowledge Graphs using Generative AI

grantex is the identity, authorization, and audit infrastructure for AI agents — the "OAuth moment" for the agentic internet. We provide a universal SDK and cloud service that lets any AI agent act on behalf of a human with scoped, revocable permissions, cryptographic identity, and an immutable audit trail. Developers integrate in minutes.

First formal security scanner for AI agent skills & plugins. Static analysis, supply chain verification, SBOM generation. 22 frameworks supported including MCP, LangChain, CrewAI.

Production-grade memory operating system for agentic AI. Interoperates with every major framework via MCP, OpenAI-compatible gateway, and native /v1/* REST — Claude Code, OpenClaw, ZeroClaw, Hermes, MemPalace, LangChain, LlamaIndex, CrewAI, AutoGen, Mem0, Letta, Zep. In production use since December 2025. Apache 2.0.

Using Hugging Face Hub Embeddings with Langchain document loaders to do some query answering

🤖 Open-source LLM server (OpenAI, Ollama, Groq, Anthropic) with support for HTTP, Streaming, Agents, RAG (Deprecated check out Orchestra) ->

Open Source Python SDK for AI Agents Identity

A tutorial for building autonomous agents: with LangChain and from scratch

the small distributed language model toolkit; fine-tune state-of-the-art LLMs anywhere, rapidly

A production-ready FastAPI template for building AI agent applications with LangGraph integration. This template provides a robust foundation for building scalable, secure, and maintainable AI agent services.

Write tweets with AI Agents (CrewAI) and LLMs (Llama 3, GPT-4o)

Knowledge graph + MCP tool server for LLM agents with hybrid retrieval, live DB sync, Korean FTS, and memory feedback.

🤖💬🤖 Agent-to-Agent (A2A Protocol) built on top of LangGraph

Build MCP servers & clients with Python, Streamlit, ChromaDB, LangChain, LangGraph agents, and Ollama integrations

Encountering 14 different Naive RAG fails and using KG to solve it

Universal autonomous agent framework with ReAct loop, multi-provider LLM routing, reasoning graph, and MCP integration, domain-agnostic for building specialized AI agents.

基于 LangChain/LangGraph + LlamaIndex 构建的工程级多 Agent 协作系统，支持上传简历与岗位 JD 后全自动完成面试准备、模拟面试、实时评估与复习规划；系统涵盖多 Agent DAG 编排、RAG 多路召回、MCP 协 议集成、双引擎记忆系统与动态难度调节，以 Python Web 服务部署于 Linux 服务器，支持摄像头、语音输入与文字 多模态交互。

Build AI agents and LLM workflows visually. Security-maintained continuation of Flowise: security fixes, Apache-2.0 only, drop-in for your existing flows and data.

AppleHealthLLMBot is a personal health assistant bot designed to interact with users through conversational queries, providing personalized insights into their health activities and metrics.

ChatIQ is a versatile Slack bot using GPT & Weaviate-powered long-term memory to accomplish various tasks.

Extensible API and framework to build your Retrieval Augmented Generation (RAG) and Information Extraction (IE) applications with LLMs

GroqStreamChain is a real-time AI-powered chat app using FastAPI, WebSocket, and Groq. It streams AI responses for interactive, low-latency communication with session management and a clean, responsive frontend. Ideal for building AI-driven chatbots.

An AI developer that writes LangChain Expression Language (LCEL).

Simple web browsing for your Langchain agent.