Best AI GitHub Repos

Use Codex from Claude Code to review code or delegate tasks.

GitHub's official MCP Server

Playwright MCP server

Open Source AI Platform - AI Chat with advanced features that works with every LLM

CLI tool for configuring and monitoring Claude Code

The official Python library for the OpenAI API

Build Real-Time Knowledge Graphs for AI Agents

Google Workspace CLI — one command-line tool for Drive, Gmail, Calendar, Sheets, Docs, Chat, Admin, and more. Dynamically built from Google Discovery Service. Includes AI agent skills.

Composio powers 1000+ toolkits, tool search, context management, authentication, and a sandboxed workbench to help you build AI agents that turn intent into action.

A lightweight, powerful framework for multi-agent workflows

FastGPT is a knowledge-based platform built on the LLMs, offers a comprehensive suite of out-of-the-box capabilities such as data processing, RAG retrieval, and visual AI workflow orchestration, letting you easily develop and deploy complex question-answering systems without the need for extensive setup or configuration.

Sim is the collaborative workspace to build, deploy, and monitor AI agents and workflows. Used by 100,000+ builders.

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

📦 Repomix is a powerful tool that packs your entire repository into a single, AI-friendly file. Perfect for when you need to feed your codebase to Large Language Models (LLMs) or other AI tools like Claude, ChatGPT, DeepSeek, Perplexity, Gemini, Gemma, Llama, Grok, and more.

AI agents, automations and apps that run your operations. Model agnostic.

The open source AI engineering platform for agents, LLMs, and ML models. MLflow enables teams of all sizes to debug, evaluate, monitor, and optimize production-quality AI applications while controlling costs and managing access to models and data.

A format specification for describing a visual identity to coding agents. DESIGN.md gives agents a persistent, structured understanding of a design system.

🚀 The fast, Pythonic way to build MCP servers and clients.

Skills Catalog for Codex

Symphony turns project work into isolated, autonomous implementation runs, allowing teams to manage work instead of supervising coding agents.

An autonomous agent that conducts deep research on any data using any LLM providers

The AI Toolkit for TypeScript. From the creators of Next.js, the AI SDK is a free open-source library for building AI-powered applications and agents

The Developer Tool for Designers • An Open-Source AI-First Design tool • Visually build, style, and edit your code with AI • World's best, top-most agent recommended #1 Developer tool for Designers to design with Real Code.

Open source repository of plugins primarily intended for knowledge workers to use in Claude Cowork