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

8253entries
★ starsA–Z name

my-awesome-skills

13
@eduwxyz

Claude Code plugin marketplace shipping an SDD pipeline (interview-to-spec, diagnose, spec-approach, tdd, verify) with hooks that turn skill rules into mechanical guarantees.

updated May 2026

gigaxity-deep-research

13
@yoloshii

Open-source deep research MCP. Tongyi 30B via OpenRouter, cited web synthesis for Claude Code, Codex, Cursor, Hermes and any MCP-compatible agent.

updated Jun 2026

superskillret

13
@lotusroot-kim

Embedding-based skill retrieval plugin for Claude Code. Top-K skills from a 16,783-skill corpus injected as additionalContext on every prompt, via a long-running local retrieval daemon.

updated May 2026

thunderbit-mcp-server

13
@thunderbit-com

AI-powered web scraping and structured data extraction. CLI + MCP server + Claude Code plugin for the Thunderbit Open API.

updated May 2026

web-motion-skill

13
@Schmandarine

Close the agentic coding loop for web animation. Give your coding agent the ability to scroll your page while recording, analyze frame-by-frame, and optimize animations through natural language.

updated Jun 2026

stop-slop-zh

13
@VincentOld

消除中文 AI 写作痕迹的 Claude Skill:拆排比三件套、去名词化、换抽象主语为具体细节。灵感来自 hardikpandya/stop-slop。

updated Jun 2026

watch

13
@mathiaschu

Give Claude a video input. /watch downloads from YouTube/Instagram/X/Vimeo/any yt-dlp site, extracts frames, and transcribes locally with mlx-whisper — no API key. Fork of bradautomates/claude-video.

updated May 2026

Fitness-Tools

12
@Jeffallan

A Python package with agent skills for body composition, rep max estimation, and macronutrient planning.

updated May 2026

langgraph-think-tool

12
@emanueleielo

This project demonstrates how to integrate a “think” tool into a LangGraph agent workflow, inspired by Anthropic’s research on structured reasoning in tool-based agents. By leveraging the “think” tool, Claude is enabled to pause and reflect on intermediate steps, improving performance in complex, policy-driven, or multi-step decision scenarios.

updated May 2026

rulesify

12
@ydeng11

Skill management tool for AI agents - discover and install pre-built workflows from Anthropic, OpenAI, and community sources

updated May 2026

courtlistener-mcp

12
@blakeox

An MCP server that bridges Anthropic’s Claude (and other LLMs) with the CourtListener API for live legal data—opinions, dockets, court records, and more. Designed to power legal research and compliance tools with transparency, reliability, and fewer hallucinations. Scalable, open, and easy to extend.

updated May 2026

ai-config

12
@dnouri

Skills and extensions for pi-coding-agent, Claude Code, Codex CLI

updated May 2026

sjungling-claude-plugins

12
@sjungling

personal collection of Claude Code plugins

updated May 2026

claude-genkit-plugin

12
@amitpatole

Firebase Genkit Plugin for Claude Code

updated May 2026

claude-code-plugins

12
@motlin

A Claude Code skill for tracking and completing tasks from a markdown task list

updated Jun 2026

denotecli

12
@junghan0611

Denote-Org Skills for Claude: Extends Anthropic's Life Sciences paradigm from Biology to Life Everything. 3,000+ files validated PKM system.

updated May 2026

spotify-skill

12
@fabioc-aloha

Spotify Skills for Claude - Production Spotify API integration + complete toolkit for creating Claude Desktop Skills. Includes OAuth 2.0, cover art generation, automated tools, and comprehensive guides.

updated May 2026

gemini-search-plugin

12
@d-oit

Advanced Claude Code plugin for web search using Gemini CLI with caching, analytics, and validation. Includes comprehensive skills for plugin development.

updated Apr 2026

claude-code-plugins

12
@doodledood

A curated marketplace of Claude Code plugins for agentic development workflows, featuring tools for architecture, knowledge management, and development automation

updated May 2026

claude-code-plugins

12
@AlteredCraft
updated May 2026

linkedin-mcp

12
@quinnjr

A comprehensive Model Context Protocol (MCP) server for LinkedIn API - manage profiles, posts, connections, skills, education, certifications, and more through AI agents

updated Jun 2026

claude-coach-plugin

12
@netresearch

Agent Skill: Self-improving learning system - detects friction, proposes improvements | Claude Code compatible

updated May 2026

apple-notes

12
@ALucek

Claude Code Plugin for Interacting with Apple Notes via Agent Skills

updated May 2026

claude-code-config

12
@philoserf

Comprehensive Claude Code configuration with agents, skills, hooks, and automation

updated May 2026
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