Best Open Source AI Agent Projects

Plano is an AI-native proxy and data plane for agentic apps — with built-in orchestration, safety, observability, and smart LLM routing so you stay focused on your agents core logic.

Ship AI Agents to Google Cloud in minutes, not months. Production-ready templates with built-in CI/CD, evaluation, and observability.

Turn any webpage into structured data using LLMs

Open-source context retrieval layer for AI agents

Local-first chat history analyzer with AI. | 本地优先的 AI 聊天记录分析工具

Open-source intelligence for the global theater. Track everything from the corporate/private jets of the wealthy, and spy satellites, to seismic events in one unified interface. Hook an AI agent up to have it parse through data and find previously unseen correlations. The knowledge is available to all but rarely aggregated in the open, until now.

754 structured cybersecurity skills for AI agents · Mapped to 5 frameworks: MITRE ATT&CK, NIST CSF 2.0, MITRE ATLAS, D3FEND & NIST AI RMF · agentskills.io standard · Works with Claude Code, GitHub Copilot, Codex CLI, Cursor, Gemini CLI & 20+ platforms · 26 security domains · Apache 2.0

The first "code-first" agent framework for seamlessly planning and executing data analytics tasks.

NeMo Guardrails is an open-source toolkit for easily adding programmable guardrails to LLM-based conversational systems.

From a goal to a task DAG, automatically. TypeScript-native multi-agent orchestration with MCP and live tracing. Three runtime dependencies.

Stealth Chromium that passes every bot detection test. Drop-in Playwright replacement with source-level fingerprint patches. 30/30 tests passed.

🧱 secure, local and programmable sandboxes for AI agents

This is MCP server for Claude that gives it terminal control, file system search and diff file editing capabilities

Autonomous novel writing AI Agent — agents write, audit, and revise novels with human review gates

The fastest and the most accurate file search toolkit for AI agents, Neovim, Rust, C, and NodeJS

Open-source framework for building AI-powered apps in JavaScript, Go, and Python, built and used in production by Google

A model-driven approach to building AI agents in just a few lines of code.

OpenShell is the safe, private runtime for autonomous AI agents.

🐬DeepChat - A smart assistant that connects powerful AI to your personal world

Coding Agent Harness

Klavis AI: MCP integration platforms that let AI agents use tools reliably at any scale

⚙️ All-in-One menu bar app, hide 💻MacBook Pro's notch, dark mode, AirPods, Shortcuts

🧊 Open source LLM observability platform. One line of code to monitor, evaluate, and experiment. YC W23 🍓

An Open Agent Computer for ANY digital work.

Python SDK for AI agent monitoring, LLM cost tracking, benchmarking, and more. Integrates with most LLMs and agent frameworks including CrewAI, Agno, OpenAI Agents SDK, Langchain, Autogen, AG2, and CamelAI

Learn AI and LLMs from scratch using free resources

Next-generation AI Agent Optimization Platform: Cozeloop addresses challenges in AI agent development by providing full-lifecycle management capabilities from development, debugging, and evaluation to monitoring.

持续维护的企业面试题库网站，帮你拿到满意 offer！⭐️ 2026年最新Java面试题、前端面试题、AI大模型面试题、AI Agent面试题、RAG面试题、C++面试题、Go面试题、Python面试题、测试面试题、运维面试题、后端面试题、操作系统面试题、计算机网络面试题、Redis面试题、MySQL数据库面试题、算法面试题、Spring面试题、JVM面试题、Java并发面试题、Linux面试题、LLM面试题、Prompt工程面试题、系统设计面试题等1万多道高频程序员求职必备八股文。面试刷题就选面试鸭 💎 React 前端 + Node 后端 + 云开发全栈项目 by 程序员鱼皮

Spec-driven development for large codebases

Agent-ready RPA suite with out-of-the-box automation tools. Built for individuals and enterprises.

Instant, Concurrent, Secure & Lightweight Sandbox for AI Agents.

An open source template for building cloud agents.

MineContext is your proactive context-aware AI partner（Context-Engineering+ChatGPT Pulse）

面向企业级市场的一站式AI应用开发框架，支持多厂商大模型统一接入与管理，具备安全可控的企业知识库与高精度检索优化能力，提供可视化流程编排、自主决策智能体与多智能体协同调度，兼容主流 Agent Skill 协议，帮助企业与开发者零门槛快速构建安全、高效、可落地的AI智能体应用与行业解决方案。

An AI-powered data science team of agents to help you perform common data science tasks 10X faster.

A curated list of Artificial Intelligence Top Tools

Your 24/7 all-scenario AI agent that gets work done for you.

结合知识库管理的 多租户 Agent Harness 平台。 An agent harness that integrates a LightRAG knowledge base and knowledge graphs. Build with LangChain + Vue + FastAPI, support DeepAgents、MinerU PDF、Neo4j 、MCP.

Your browser is the API. CLI + MCP server for AI agents to control Chrome with your login state.

Argilla is a collaboration tool for AI engineers and domain experts to build high-quality datasets

53AI Hub is an open-source AI portal, which enables you to quickly build a operational-level AI portal to launch and operate AI agents, prompts, and AI tools. It supports seamless integration with development platforms like Coze, Dify, FastGPT, RAGFlow.

Eko (Eko Keeps Operating) - Build Production-ready Agentic Workflow with Natural Language - eko.fellou.ai

n8n skillset for Claude Code to build flawless n8n workflows

《大模型白盒子构建指南》：一个全手搓的Tiny-Universe

ACI.dev is the open source tool-calling platform that hooks up 600+ tools into any agentic IDE or custom AI agent through direct function calling or a unified MCP server. The birthplace of VibeOps.

Comprehensive paid advertising audit & optimization skill for Claude Code. 250+ checks across Google, Meta, YouTube, LinkedIn, TikTok, Microsoft & Apple Ads with weighted scoring, parallel agents, industry templates, and AI creative generation.

#1 Persistent memory for AI coding agents based on real-world benchmarks