Best AI GitHub Repos

Enhanced ChatGPT Clone: Features Agents, MCP, DeepSeek, Anthropic, AWS, OpenAI, Responses API, Azure, Groq, o1, GPT-5, Mistral, OpenRouter, Vertex AI, Gemini, Artifacts, AI model switching, message search, Code Interpreter, langchain, DALL-E-3, OpenAPI Actions, Functions, Secure Multi-User Auth, Presets, open-source for self-hosting. Active.

Anthropic's Interactive Prompt Engineering Tutorial

Intelligent automation and multi-agent orchestration for Claude Code

🦔 PostHog is an all-in-one developer platform for building successful products. We offer product analytics, web analytics, session replay, error tracking, feature flags, experimentation, surveys, data warehouse, a CDP, and an AI product assistant to help debug your code, ship features faster, and keep all your usage and customer data in one stack.

CLIP (Contrastive Language-Image Pretraining), Predict the most relevant text snippet given an image

A visual, example-driven guide to Claude Code — from basic concepts to advanced agents, with copy-paste templates that bring immediate value.

The official Python library for the OpenAI API

GitHub's official MCP Server

CLI tool for configuring and monitoring Claude Code

A lightweight, powerful framework for multi-agent workflows

Code for the paper "Language Models are Unsupervised Multitask Learners"

📦 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.

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

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

Neon: Serverless Postgres. We separated storage and compute to offer autoscaling, code-like database branching, and scale to zero.

Educational framework exploring ergonomic, lightweight multi-agent orchestration. Managed by OpenAI Solution team.

Anthropic's educational courses

The ChatGPT Retrieval Plugin lets you easily find personal or work documents by asking questions in natural language.

A MCP for Claude Desktop / Claude Code / Windsurf / Cursor to build n8n workflows for you

gpt-oss-120b and gpt-oss-20b are two open-weight language models by OpenAI

Skills Catalog for Codex

Evals is a framework for evaluating LLMs and LLM systems, and an open-source registry of benchmarks.

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