Open-Source Directory — Claude / Anthropic

Claude
Tools

A curated index of extensions, plugins, MCP servers, hooks, and integrations for Claude — discovered from GitHub and refreshed daily.

Repository Growth — Last 30 Days

8257entries
★ starsA–Z name

claude-code-system-prompts

10.7k
@Piebald-AI

All parts of Claude Code's system prompt, 27 builtin tool descriptions, sub agent prompts (Plan/Explore/Task), utility prompts (CLAUDE.md, compact, statusline, magic docs, WebFetch, Bash cmd, security review, agent creation). Updated for each Claude Code version.

updated May 2026

unity-mcp

10.2k
@CoplayDev

Unity MCP acts as a bridge between AI assistants and your Unity Editor. Give your LLM tools to manage assets, control scenes, edit scripts, and automate tasks within Unity.

updated May 2026

mcp-use

10.0k
@mcp-use

The fullstack MCP framework to develop MCP Apps for ChatGPT / Claude & MCP Servers for AI Agents.

updated May 2026

ccstatusline

10.0k
@sirmalloc

🚀 Beautiful highly customizable statusline for Claude Code CLI with powerline support, themes, and more.

updated May 2026

claurst

9.7k
@Kuberwastaken

Agentic Coding for Builders who Ship

updated May 2026

claude-code-infrastructure-showcase

9.7k
@diet103

Examples of my Claude Code infrastructure with skill auto-activation, hooks, and agents

updated May 2026

xiaozhi-esp32-server

9.7k
@xinnan-tech

本项目为xiaozhi-esp32提供后端服务,帮助您快速搭建ESP32设备控制服务器。Backend service for xiaozhi-esp32, helps you quickly build an ESP32 device control server.

updated May 2026

claude-skills

9.5k
@Jeffallan

66 Specialized Skills for Full-Stack Developers. Transform Claude Code into your expert pair programmer.

updated May 2026

xonsh

9.5k
@xonsh

🐚 Python-powered shell. Full-featured, cross-platform and AI-friendly.

updated May 2026

ralph-claude-code

9.2k
@frankbria

Autonomous AI development loop for Claude Code with intelligent exit detection

updated May 2026

mcp

9.2k
@awslabs

Open source MCP Servers for AWS

updated May 2026

AI-Research-SKILLs

9.1k
@Orchestra-Research

Comprehensive open-source library of AI research and engineering skills for any AI model. Package the skills and your claude code/codex/gemini agent will be an AI research agent with full horsepower. Maintained by Orchestra Research.

updated May 2026

hexstrike-ai

9.0k
@0x4m4

HexStrike AI MCP Agents is an advanced MCP server that lets AI agents (Claude, GPT, Copilot, etc.) autonomously run 150+ cybersecurity tools for automated pentesting, vulnerability discovery, bug bounty automation, and security research. Seamlessly bridge LLMs with real-world offensive security capabilities.

updated May 2026

ida-pro-mcp

9.0k
@mrexodia

AI-powered reverse engineering assistant that bridges IDA Pro with language models through MCP.

updated May 2026

oh-my-pi

8.8k
@can1357

⌥ AI Coding agent for the terminal — hash-anchored edits, optimized tool harness, LSP, Python, browser, subagents, and more

updated May 2026

claude-code-tips

8.6k
@ykdojo

45 tips for getting the most out of Claude Code, from basics to advanced - includes a custom status line script, cutting the system prompt in half, using Gemini CLI as Claude Code's minion, and Claude Code running itself in a container. Also includes the dx plugin.

updated May 2026

ccpm

8.2k
@automazeio

Project management skill system for Agents that uses GitHub Issues and Git worktrees for parallel agent execution.

updated May 2026

git-mcp

8.1k
@idosal

Put an end to code hallucinations! GitMCP is a free, open-source, remote MCP server for any GitHub project

updated May 2026

Claude-Code-Usage-Monitor

8.1k
@Maciek-roboblog

Real-time Claude Code usage monitor with predictions and warnings

updated May 2026

lamda

7.8k
@firerpa

The most powerful Android RPA agent framework, next generation mobile automation.

updated May 2026

claude-squad

7.7k
@smtg-ai

Manage multiple AI terminal agents like Claude Code, Codex, OpenCode, and Amp.

updated May 2026

claude-seo

7.4k
@AgriciDaniel

Universal SEO skill for Claude Code. 25 sub-skills + 18 sub-agents covering technical SEO, E-E-A-T, schema, GEO/AEO, backlinks, local SEO, maps intelligence, semantic clustering, e-commerce SEO, international SEO, Google APIs, and PDF/Excel reporting. Optional DataForSEO, Firecrawl, and Banana extensions.

updated May 2026

codeburn

7.3k
@getagentseal

See where your AI coding tokens go. Interactive TUI dashboard for Claude Code, Codex, and Cursor cost observability.

updated May 2026

agent-orchestrator

7.3k
@ComposioHQ

Agentic orchestrator for parallel coding agents — plans tasks, spawns agents, and autonomously handles CI fixes, merge conflicts, and code reviews.

updated May 2026
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