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

rowboat

14.8k
@rowboatlabs

Open-source AI coworker, with memory

updated May 2026

open-saas

14.6k
@wasp-lang

A 100% free modern JS SaaS boilerplate (React, NodeJS, Prisma). Full-featured: Auth (email, google, github, slack, MS), Email sending, Background jobs, Landing page, Payments (Stripe, Polar.sh), Shadcn UI, S3 file upload. AI-ready with tailored AGENTS.md, skills, and Claude Code plugin. One cmd deploy. Powered by Wasp full-stack framework.

updated May 2026

OpenMetadata

14.1k
@open-metadata

OpenMetadata is a unified metadata platform for data discovery, data observability, and data governance powered by a central metadata repository, in-depth column level lineage, and seamless team collaboration.

updated May 2026

CodexBar

13.9k
@steipete

Show usage stats for OpenAI Codex and Claude Code, without having to login.

updated May 2026

xiaohongshu-mcp

13.9k
@xpzouying

MCP for xiaohongshu.com

updated May 2026

Skill_Seekers

13.8k
@yusufkaraaslan

Convert documentation websites, GitHub repositories, and PDFs into Claude AI skills with automatic conflict detection

updated May 2026

guizang-ppt-skill

13.5k
@op7418

AI-agent Skill for generating polished HTML slide decks: editorial magazine and Swiss layouts, image prompts, social covers, and a WebGL/low-power presentation runtime.

updated May 2026

OpenMythos

13.5k
@kyegomez

A theoretical reconstruction of the Claude Mythos architecture, built from first principles using the available research literature.

updated May 2026

agency-agents-zh

13.4k
@jnMetaCode

🎭 211 个即插即用的 AI 专家角色 — 支持 Hermes Agent/Claude Code/Cursor/Copilot 等 16 种工具,覆盖工程/设计/营销/金融等 18 个部门。含 46 个中国市场原创智能体(小红书/抖音/微信/飞书/钉钉等)

updated May 2026

awesome-claude-skills

13.0k
@travisvn

A curated list of awesome Claude Skills, resources, and tools for customizing Claude AI workflows — particularly Claude Code

updated May 2026

Anthropic-Cybersecurity-Skills

12.6k
@mukul975

754 structured cybersecurity skills for AI agents · Mapped to 5 frameworks: MITRE ATT&CK, NIST CSF 2.0, MITRE ATLAS, D3FEND & NIST AI RMF · agentskills.io standard · Works with Claude Code, GitHub Copilot, Codex CLI, Cursor, Gemini CLI & 20+ platforms · 26 security domains · Apache 2.0

updated May 2026

claudian

12.1k
@YishenTu

An Obsidian plugin that embeds Claude Code/Codex as an AI collaborator in your vault

updated May 2026

claude-relay-service

11.9k
@Wei-Shaw

CRS-自建Claude Code镜像,一站式开源中转服务,让 Claude、OpenAI、Gemini、Droid 订阅统一接入,支持拼车共享,更高效分摊成本,原生工具无缝使用。

updated May 2026

fastapi_mcp

11.9k
@tadata-org

Expose your FastAPI endpoints as Model Context Protocol (MCP) tools, with Auth!

updated May 2026

mcp-chrome

11.8k
@hangwin

Chrome MCP Server is a Chrome extension-based Model Context Protocol (MCP) server that exposes your Chrome browser functionality to AI assistants like Claude, enabling complex browser automation, content analysis, and semantic search.

updated May 2026

claude-context

11.6k
@zilliztech

Code search MCP for Claude Code. Make entire codebase the context for any coding agent.

updated May 2026

pal-mcp-server

11.6k
@BeehiveInnovations

The power of Claude Code / GeminiCLI / CodexCLI + [Gemini / OpenAI / OpenRouter / Azure / Grok / Ollama / Custom Model / All Of The Above] working as one.

updated May 2026

claudecodeui

11.5k
@siteboon

Use Claude Code, Cursor CLI or Codex on mobile and web with CloudCLI (aka Claude Code UI). CloudCLI is a free open source webui/GUI that helps you manage your Claude Code session and projects remotely

updated May 2026

superset

11.4k
@superset-sh

Code Editor for the AI Agents Era - Run an army of Claude Code, Codex, etc. on your machine

updated May 2026

XHS-Downloader

11.4k
@JoeanAmier

小红书(XiaoHongShu、RedNote)链接提取/作品采集工具:提取账号发布、收藏、点赞、专辑作品链接;提取搜索结果作品、用户链接;采集小红书作品信息;提取小红书作品下载地址;下载小红书作品文件

updated May 2026

claude-engineer

11.2k
@Doriandarko

Claude Engineer is an interactive command-line interface (CLI) that leverages the power of Anthropic's Claude-3.5-Sonnet model to assist with software development tasks.This framework enables Claude to generate and manage its own tools, continuously expanding its capabilities through conversation. Available both as a CLI and a modern web interface

updated May 2026

nginx-ui

11.2k
@0xJacky

Yet another WebUI for Nginx

updated May 2026

Auto-claude-code-research-in-sleep

11.0k
@wanshuiyin

ARIS ⚔️ (Auto-Research-In-Sleep) — Lightweight Markdown-only skills for autonomous ML research: cross-model review loops, idea discovery, and experiment automation. No framework, no lock-in — works with Claude Code, Codex, OpenClaw, or any LLM agent.

updated May 2026

humanlayer

10.9k
@humanlayer

The best way to get AI coding agents to solve hard problems in complex codebases.

updated May 2026
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