Best AI GitHub Repos

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

ToolJet is the open-source foundation of ToolJet AI - the enterprise app generation platform for building internal tools, dashboard, business applications, workflows and AI agents 🚀

Multi-harness agentic plugin marketplace for Claude Code, Codex CLI, Cursor, OpenCode, GitHub Copilot, and Gemini CLI

[EMNLP2025] "LightRAG: Simple and Fast Retrieval-Augmented Generation"

Build resilient agents.

:hedgehog: PostHog is the leading platform for building self-driving products. Our developer tools – AI observability, analytics, session replay, flags, experiments, error tracking, logs, and more – capture all the context agents need to diagnose problems, uncover opportunities, and ship fixes. Steer it all from Slack, web, desktop, or the MCP.

Anthropic's Interactive Prompt Engineering Tutorial

Write HTML. Render video. Built for agents.

The Frontend Stack for Agents & Generative UI. React, Angular, Mobile, Slack, and more. Makers of the AG-UI Protocol

Your AI second brain. Self-hostable. Get answers from the web or your docs. Build custom agents, schedule automations, do deep research. Turn any online or local LLM into your personal, autonomous AI (gpt, claude, gemini, llama, qwen, mistral). Get started - free.

The Open-Source Multimodal AI Agent Stack: Connecting Leading AI Models and Agent Infra

open-source coding agent

A modular graph-based Retrieval-Augmented Generation (RAG) system

🤗 Diffusers: State-of-the-art diffusion models for image, video, and audio generation in PyTorch.

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

Reference agents, skills, and data connectors for FSI workflows (investment banking, equity research, PE, wealth management). Claude Cowork plugins + Claude Managed Agents.

Playwright MCP server

GitHub's official MCP Server

🪢 Open source AI engineering platform: LLM evals, observability, metrics, prompt management, playground, datasets. Integrates with OpenTelemetry, LangChain, OpenAI SDK, LiteLLM, and more. 🍊YC W23

The official Python library for the OpenAI API

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

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.

CLI tool for configuring and monitoring Claude Code