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

8245entries
★ starsA–Z name

ctf-skills

3.1k
@ljagiello

Agent skills for solving CTF challenges - web exploitation, binary pwn, crypto, reverse engineering, forensics, OSINT, and more

updated Aug 2026

fli

3.1k
@punitarani

Google Flights MCP, CLI and Python Library

updated Aug 2026

crystal

3.1k
@stravu

(Crystal is now Nimbalyst) Run multiple Codex and Claude Code AI sessions in parallel git worktrees. Test, compare approaches & manage AI-assisted development workflows in one desktop app.

updated Aug 2026

ralph-orchestrator

3.1k
@mikeyobrien

An improved implementation of the Ralph Wiggum technique for autonomous AI agent orchestration

updated Aug 2026

cc-skills-golang

3.1k
@samber

🧑‍🎨 A collection of Golang agentic skills that works

updated Aug 2026

arxiv-mcp-server

3.1k
@blazickjp

A local MCP server for agent literature work. Original-LaTeX section reads, BibTeX from arXiv metadata, and topic watches. Papers stay on disk. Search is optional.

updated Aug 2026

google_workspace_mcp

3.1k
@taylorwilsdon

Control Gmail, Google Calendar, Docs, Sheets, Slides, Chat, Forms, Tasks, Search & Drive with AI - Comprehensive Google Workspace MCP Server & CLI Tool

updated Aug 2026

Vibe-Skills

3.1k
@foryourhealth111-pixel

VibeSkills is a general-purpose Skill that automatically routes local Skills and intelligently orchestrates harness workflows.

updated Aug 2026

codeg

3.1k
@xintaofei

Collaborative multi-agent AI coding workspace: aggregate sessions from Claude Code, Codex, OpenCode, Pi, Grok Build, etc. Desktop app, self-hosted server, or Docker.

updated Aug 2026

claudecode.nvim

3.0k
@coder

🧩 Claude Code Neovim IDE Extension

updated Aug 2026

cc-gateway

3.0k
@motiful

AI API identity gateway — reverse proxy that normalizes device fingerprints and telemetry for privacy-preserving API proxying

updated Aug 2026

J-Space-Cognition-Suite-V3.7

3.0k
@Tiger3807861189

J-Space Cognition Suite V3.7 - AI cognitive-enhancement Skills based on Anthropic's J-space global workspace research. | 哔哩哔哩:Tiger380 (UID 3494375382321675) — https://space.bilibili.com/3494375382321675

updated Aug 2026

OpenClaw-Medical-Skills

3.0k
@FreedomIntelligence

The largest open-source medical AI skills library for OpenClaw🦞.

updated Aug 2026

ralphy

3.0k
@michaelshimeles

My Ralph Wiggum setup, an autonomous bash script that runs Claude Code, Codex, OpenCode, Cursor agent, Qwen & Droid in a loop until your PRD is complete.

updated Aug 2026

WindsurfAPI

3.0k
@dwgx

Turn Windsurf / Devin Desktop's 100+ AI models (Claude, GPT, Gemini, DeepSeek, Kimi, GLM, SWE) into OpenAI-, Anthropic- & Gemini-compatible APIs. Zero-dependency self-hosted reverse proxy for Claude Code, Cline & Cursor. 把 Windsurf/Devin 云端 100+ 模型变成三套兼容 API。

updated Aug 2026

CPA-Manager-Plus

3.0k
@seakee

A self-hosted CPA / CLIProxyAPI management panel and AI gateway observability dashboard for requests, usage, cost, quota, failures, and account health.

updated Aug 2026

collab-public

2.9k
@collabs-inc

Collaborator is a place to create with agents.

updated Aug 2026

opengap

2.9k
@open-gitagent

A framework-agnostic, git-native standard for defining AI agents

updated Aug 2026

ddgs

2.9k
@deedy5

A metasearch library that aggregates results from diverse web search services

updated Aug 2026

harness-books

2.9k
@wquguru

📚 Two books on harness engineering — the design philosophies behind Claude Code & Codex: constraints, query loops, context governance, multi-agent verification. harness-books.agentway.dev

updated Aug 2026

ruler

2.9k
@intellectronica

Ruler — apply the same rules to all coding agents

updated Aug 2026

vibe-coding-prompt-template

2.9k
@KhazP

Templates and workflow for generating PRDs, Tech Designs, and MVP and more using LLMs for AI IDEs

updated Aug 2026

Claude-to-IM-skill

2.9k
@op7418

Bridge Claude Code / Codex to IM platforms — chat with AI coding agents from Telegram, Discord, or Feishu/Lark.

updated Aug 2026

ccs

2.8k
@kaitranntt

Switch between Claude accounts, Gemini, Copilot, OpenRouter (300+ models) via CLIProxyAPI OAuth proxy. Visual dashboard, remote proxy support, WebSearch fallback. Zero-config to production-ready.

updated Aug 2026
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