Langchain agents

[CVPR 2025] Video Narration as Vocabulary & Video as Long Document

Type-safe tools, on-device inference, multi-agent workflows, memory, and guardrails, in one Swift-native runtime

Open-source runtime AI agent security tool - monitors and controls AI agents, catching malicious tool use, prompt injection, and policy drift in real time, before the agent acts.

Java version of LangChain, while empowering LLM for Big Data.

Python and TypeScript SDKs for verifiable evidence of AI agent actions. Signed receipts, policy enforcement, audit trails. Works with LangChain, CrewAI, MCP.

Use ArXiv ChatGuru to talk to research papers. This app uses LangChain, OpenAI, Streamlit, and Redis as a vector database/semantic cache.

Repository for the "Building LLMs for Production" book by Towards AI.

A systematic AI Agent development tutorial covering LLM agents, RAG, tool use, memory systems, multi-agent systems, LangChain, LangGraph, MCP, and agentic RL.｜从零开始学 AI Agent 开发 | 系统、全面、实战导向的 Agent 开发教程 | 每日自动追踪 arXiv 最新论文 | Learn AI Agent Development from Scratch

A collection of apps powered by the LangChain LLM framework.

Summarize and query from a lot of heterogeneous documents. Any LLM provider, any filetype, advanced RAG, advanced summaries, scriptable, etc

AWS Generative AI CDK Constructs are sample implementations of AWS CDK for common generative AI patterns.

A full-stack demo showcasing a local RAG (Retrieval Augmented Generation) pipeline to chat with your PDFs.

Python API client for AI providers that intends to replace LangChain and LangGraph for most common use cases.

AI-agents that automatically generate and use Langchain Tools and ChatGPT plugins

CoexistAI is a modular, developer-friendly research assistant framework . It enables you to build, search, summarize, and automate research workflows using LLMs, web search, Reddit, YouTube, and mapping tools—all with simple MCP tool calls or API calls or Python functions.

Introductory examples for building LLM-based AI agents. 异步图书：《大模型应用开发 动手做AI Agent》 - 这是一些非常简单的入门示例，重在引导新手入门，目前LLM开发领域发展很快，本书只是一个提纲挈领。更多的示例和代码大家可以去OpenAI Cookbook, LangChain Example中去挖掘。

Your Local Artificial Memory on your Device.

A course for AI applications with LangChain4j from simple chat to AI agents.

RESTai is an AIaaS (AI as a Service) open-source platform. Supports many public and local LLM suported by Ollama/vLLM/etc. Precise embeddings usage, tuning, analytics etc. Built-in image/audio generation with dynamic loading generators. Live chat deployment. Built-in block based graphical language. Prompt versioning and much more...

🚀Lightweight Large language model automation and Autonomous Language Agents development framework. Build your LLM Agent Application in a pythonic way!

📚“langent”由“lang”与“agent”合并而来的学习教程

Advanced Retrieval-Augmented Generation (RAG) through practical notebooks, using the power of the Langchain, OpenAI GPTs ,META LLAMA3 ,Agents.

🔥 AI-powered deep research tool that breaks down complex queries, validates answers, and provides cited comprehensive results using Firecrawl and LangGraph

AI Agent 教学仓库 | 系统化 LangChain、RAG、LangGraph、MCP 全栈实战代码 | 万字博客详解 | 开源可运行示例 | 从零构建智能体

Local first semantic code search and chat | Leverage custom copilots with fine-tuning datasets from code in Alpaca, Conversational, Completion and Instruction format

The open-source memory and observability layer for AI agents — persistent memory, loop detection, hash-chained audit trails, and a live dashboard, automatic on pip install.

ScraperAI is an open-source, AI-powered tool designed to simplify web scraping for users of all skill levels.

A robust enterprise application sample (deployed on ACA) that leverages MCP and multiple AI agents orchestrated by Langchain.js, Llamaindex.TS and Microsoft Agent Framework.

AgentLLM is a PoC for browser-native autonomous agents

Neuralink for your AI Agents - LangChain - Autogen - CrewAI

Paper-Agent 是一个面向科研人员和学生的智能论文检索与调研工具。项目基于多智能体协作架构（LangGraph），通过自然语言处理（NLP）、自动化搜索，帮助用户高效查找学术论文、分析文献内容，并进行论文调研。Paper-Agent 支持多平台集成、关键词搜索、自动分析、论文调研，提升了学术研究的效率。适用于论文写作、学术调研、科研项目管理等多种场景，是学术调研的理想助手。

Building applications with composability using Boxcars with LLM's.

基于LangChain、FastAPI和React的RAG项目，主分支为基于知识图谱的知识管理平台，base-rag分支为开箱即用的基础RAG项目供学习使用

Smoothly Manage Multiple LLMs (OpenAI, Anthropic, Azure) and Image Models (Dall-E, SDXL), Speed Up Responses, and Ensure Non-Stop Reliability.

LangGraph 1.0 Tutorial

轻松玩转LLM兼容openai&langchain，支持文心一言、讯飞星火、腾讯混元、智谱ChatGLM等

LLMs and Machine Learning done easily

Runtime policy enforcement for AI agents. Cryptographic audit trail, human-in-the-loop approvals, kill switch. Zero code changes.

AI Chatbot for analyzing/extracting information from data in conversational format.

多平台模型接入，可扩展，多种输出格式，提供大语言模型聊天服务的插件 | A bot plugin for LLM chat with multi-model integration, extensibility, and various output formats

Integrate AI Assistants with Django to build intelligent applications

🚀 LangChain for Swift. Optimized for iOS, macOS, watchOS (part) and visionOS.(beta)

RAG LLM Ops App for easy deployment and testing

Unlock 650+ MCP servers tools in your favorite agentic framework.

Unified LangChain documentation.

📊 电商数仓智能问数 AI Agent，最适合用于系统学习 LangGraph 的实战项目：基于 LangGraph、FastAPI、Qdrant、Elasticsearch、MySQL 与 React，完整实现元数据知识库、混合检索、自然语言生成 NL2SQL 生成校验、SQL 执行与流式查询展示。前后端完整代码全栈可跑，Docker 环境一键部署，配套 ai-agents-from-zero 免费教程与章节代码分支。适合系统学习大模型应用、数据分析 Agent 和企业级 AI 工程落地。

🪀 Lobe CLI Toolbox - AI CLI Toolbox, enhancing git commit and i18n workflow efficiency

Resume_Builder_AIHawk is a powerful Python tool that allows you to automatically customize your resume based on a job URL, ensuring it perfectly aligns with the job requirements and skills. With an interactive command-line interface, this tool makes it easy to navigate through options and select from various pre-defined styles

🤖 An open-source, AI agent-native research canvas application that performs real-time search with HITL (Human in The Loop) capabilities, powered by CopilotKit, Tavily and LangGraph

Build your own ChatPDF and run it locally

Cut LLM costs by up to 80% and unlock sub-millisecond responses with intelligent semantic caching.A drop-in, provider-agnostic LLM proxy written in Go with sub-millisecond response

Swytchcode demo projects with different agents

🦜🔗 LangChain interfaces to Google's suite of AI products (e.g. Gemini & Vertex AI)

五星大厨:全面Multi-Agent 的客服机器人，基于langraph实现，txt2sql ,txt2cypher, lightrag, 多模态 等

AI 课程笔记：langchain / langgraph / python / vibe coding

Local coding agent with neat UI

LC-StudyLab 是一个完整演示 LangChain v1.0 全家桶能力的开源项目，整合了 LangGraph、DeepAgents、RAG 检索增强生成、Guardrails 安全校验与流式输出智能体等核心特性，帮助开发者系统掌握 LangChain v1 的所有关键组件

Automate lead research, qualification, and outreach with AI agents and Langgraph, creating personalized messaging and connecting with your CRMs (HubSpot, Airtable, Google Sheets)

The missing bridge between your ML models and your AI agents.

React components for visualizing traces from AI agents

Framework to bring LLM applications to production

repo2pdf is a tool that allows you to convert a GitHub repository into a PDF file. It clones the repository, processes the files, and then creates a PDF. --- DOCS: https://bankkroll-repo2pdf.mintlify.app

Building a Multi-Agent AI System with LangGraph and LangSmith

Config-driven engine that turns JSON into production-grade AI agents. Multi-agent orchestration, 12+ LLM providers, MCP/A2A protocols, RAG, persistent memory, and enterprise compliance (EU AI Act, GDPR, HIPAA). Built on Quarkus.

Self-hosted runtime control plane for AI agents. Observe or HITL approve or Block rogue tool calls before it executes: secret leaks, prompt injection, supply chain etc in a local dashboard. Agent agnostic (Claude, codex, langchain etc.)

基于 LangChain/LangGraph 的 ReAct Agent ，结合 RAG、工具调用与 Streamlit 界面，面向智能客服与报告生成场景。

ChatWithBinary: Advanced AI-powered binary analysis tool leveraging OpenAI & LangChain (2023)

The Open Assistant API is a ready-to-use, open-source, self-hosted agent/gpts orchestration creation framework, supporting customized extensions for LLM, RAG, function call, and tools capabilities. It also supports seamless integration with the openai/langchain sdk.

Multi-agent team operating system for Claude Code. 108 MCP tools, 40+ agent templates, 10 lifecycle hooks, 7 pipeline workflows. Persistent teams, structured meetings, task wall, real-time React dashboard. No LangChain/AutoGen — pure CC native integration.

RepoGPT: AI-powered GitHub assistant to chat, manage, and explore your repos effortlessly.

A Chrome extension for asking questions over websites

A LLM RAG system runs on your laptop. 大模型检索增强生成系统，可以轻松部署在笔记本电脑上，实现本地知识库智能问答。

One person, a team of agents. Multi-session CLI that collaborates across terminals; /goal keeps long tasks running; WeChat/WeCom/Feishu gateway lets you call them back when you walk away. Async Python SDK, persistent memory, self-evolving skills.

🤖 State-of-the-art, production ready LLM apps made mega-easy, so you don't have to build them from scratch 🤯 Create a bot, now 🫵

Build LangChain Applications on AWS

Modular plugin marketplace for Claude Code and agentic CLIs, with validated, spec-driven skills, agents, commands, and workflows for Java, TypeScript, Python, PHP, AWS, and AI.

Reference implementation of a RAG-based documentation helper using LangChain, Pinecone, and Tavily..

Build, Improve Performance, and Productionize your AI Application

CSV-AI is the ultimate app powered by LangChain, OpenAI, and Streamlit that allows you to unlock hidden insights in your CSV files. With CSV-AI, you can effortlessly interact with, summarize, and analyze your CSV files in one convenient place.

基于LangChain和LangGraph实现的AI Agent配置平台

👾 下一代透明智能体架构 | Next-Gen Transparent Agent Architecture 🔍 全行为审计 | 🛡️ 两段式安全调用 | 🧠 双水位记忆 | ⏰ 心跳任务 📊 P0 级事故率降低 80% | 兼容 OpenClaw + Claude Code 技能生态

Jarvis is a voice-activated, conversational AI assistant powered by a local LLM (Qwen via Ollama). It listens for a wake word, processes spoken commands using a local language model with LangChain, and responds out loud via TTS. It supports tool-calling for dynamic functions like checking the current time.

LLMs Best Tricks

QA-Pilot is an interactive chat project that leverages online/local LLM for rapid understanding and navigation of GitHub code repository.

Build LangGraph agents like Next.js apps.

A Modern GUI Interface for Vector Database Management(Supports MCP integration)

Drop-in prompt compression for production LLM apps. Cut your token bill 40-60% without changing your code. Python SDK, LLMLingua-2, MIT.

本项目实现了一个基于多智能体（Multi-Agent）和检索增强生成（Retrieval-Augmented Generation, RAG）技术的客户支持系统。它利用 Python、LangChain 和 LangGraph 构建了一个能够处理各种旅行相关查询的对话式 AI，包括航班预订、租车、酒店预订和行程推荐。还有对接了woocommerce商城进行商品查询，文章查询，表单提交，订单查询等商城功能。

A free open source RAG based AI legal assistant.

A TypeScript sample app for the Retrieval Augmented Generation pattern running on Azure, using Azure AI Search for retrieval and Azure OpenAI and LangChain large language models (LLMs) to power ChatGPT-style and Q&A experiences.

📽️ Code from tutorials presented on the "Code AI with Rok" YouTube channel

An examples code to make langchain agents without openai API key (Google Gemini), Completely free unlimited and open source, run it yourself on website. Ready to support ollama.... (Update when i am free)

An introduction to the world of AI Agents

Starter App to Build Your Own App to Query Doc Collections with Large Language Models (LLMs) using LlamaIndex, Langchain, OpenAI and more (MIT Licensed)

This AI Smart Speaker uses speech recognition, TTS (text-to-speech), and STT (speech-to-text) to enable voice and vision-driven conversations, with additional web search capabilities via OpenAI and Langchain agents.

Blockify: Agentic data optimization for enterprise RAG and agentic search. Blockify replaces naive chunking with deduplicated IdeaBlocks — ≈78X accuracy aggregate improvement, 2.29X vector search accuracy, 40X compression, 3.09X token efficiency. Integrates with LlamaIndex, LangChain, Obsidian, Milvus, Elastic, Supabase, Cloudflare.

A notion chatbot for your knowledge base built with langchain, typescript/javascript and pinecone.

Free crypto news API - real-time aggregator for Bitcoin, Ethereum, DeFi, Solana & altcoins. No API key required. RSS/Atom feeds, JSON REST API, historical archive with market context, embeddable widgets, ChatGPT plugin, Claude MCP server, SDKs (Python, TypeScript, Go, React, PHP). AI/LLM ready. Vibe coding friendly. Open source.

An AI-powered arXiv paper summarization website with a virtual assistant for answering questions.

这是我开发的一个基于大模型的小红书内容运营智能 Agent 系统。 该系统可以实现从数据采集到内容生成，再到自动发布的完整流程，主要功能包括： 使用 Playwright 爬取小红书热门内容 分析爆款规律（关键词、标签、标题结构） 基于分析结果自动生成选题 使用大模型生成完整文案（标题、正文、标签、互动语） 调用图像模型生成配图 支持通过 API 或 MCP 一键发布内容 技术栈包括： FastAPI、LangChain、OpenAI（GPT + 图像模型）、Playwright、Pydantic 等。 该项目的核心思路是将数据分析与大模型生成结合，实现内容生产的自动化与智能化。 适用于： 内容运营、自媒体自动化、AI Agent 应用开发等场景。