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

wp-ux-design-claude-skill

4
@xonack

WordPress UX Design skill for Claude Code - Core Web Vitals, mobile-first design, typography systems, color management, navigation UX

updated May 2026

claude-global-appbuilding-skills

4
@takleb3rry

15 Claude Code skills for building full-stack apps methodically — ideation, TDD, adversarial review, AI governance, and systematic debugging. Designed for non-developers.

updated Apr 2026

agentpatterns

4
@ericjohnolson

Claude Code tool kit of skills, hooks, and MCP servers to steer agent generated code towards beautiful code patterns and practices.

updated Feb 2026

notebook-hot-reload

4
@kdkyum

VS Code extension that auto-reloads Jupyter notebooks when .ipynb files change on disk. Essential for MCP server workflows with Claude Code, Cursor, and other AI agents.

updated Apr 2026

railgun

4
@douglance

Security hook for Claude Code - protects against secrets leakage, dangerous commands, and data exfiltration

updated Apr 2026

jettyio-skills

4
@jettyio

Build, run, and monitor AI/ML workflows from any agent. MCP server extension for Claude Code, Gemini CLI, Cursor, VS Code Copilot, and more.

updated Jun 2026

X-bookmark-research

4
@matthewod11-stack

Claude Code extension that transforms Twitter/X bookmarks into structured research notes

updated Mar 2026

claude-code-notification

4
@DurianPancake

a diy notification tool for claude code cli by hook

updated May 2026

solo-founder-team

4
@fcojaviergon

SDLC Kit for Claude Code — Skills, Agents, Hooks for solo founders

updated Mar 2026

warcraft3-claude-code-sound-hook

4
@warmwind

Warcraft III worker voice lines as Claude Code hooks — hear 'Yes, milord' and 'Job's done' while coding

updated Mar 2026

openspec-extended

4
@amauryconstant

Extension pack for OpenSpec adding autonomous 7-phase implementation workflows, specialized agents, and utility skills for AI coding assistants.

updated May 2026

ai-intelligence-hub

4
@ytrofr

AI Intelligence Hub - Track 14 AI sources (GitHub, HuggingFace, MCP, Claude Code, Anthropic Skills & Cookbooks) with full-text search and keyword scoring. Port 4444.

updated May 2026

burp-mcp-server

4
@c0tton-fluff

MCP server, standalone CLI, and extension orchestrator

updated May 2026

macromanatlas

4
@MacroMan5

Claude Code plugin: automatic codebase index + per-module READMEs, auto-synced via hooks (repo map + context injection).

updated Apr 2026

product-experts-skill

4
@Diablopop

Get personalized advice from 5 product management experts by analyzing Lenny's Podcast transcripts

updated May 2026

retro-claude-sounds

4
@sametacar

Claude Code hook sounds – Warcraft, StarCraft, Mortal Kombat

updated Mar 2026

mohano

4
@hulryung

Real-time visualizer for Claude Code multi-agent activity. Timeline, task graph, and agent views powered by hooks.

updated Apr 2026

electrum

4
@yoelf22

A structured, AI-assisted toolkit for defining hardware products that have software inside — from concept through engineering spec to presentation-ready materials in eight phases.

updated May 2026

agent-plugins

4
@mdsakalu

Agent plugins, skills, and extensions for Claude Code

updated Mar 2026

claude-meter

4
@data-wrights

VS Code extension that shows Claude AI subscription usage (daily & weekly limits) in the status bar. Auto-detects Claude Code credentials. Supports OAuth and enterprise admin keys.

updated Mar 2026

clean-code-Claude-Skill

4
@uwuclxdy

content from @s4.codes (TikTok) as a Claude Skill

updated May 2026

clawdcontext4vscode

4
@yaamwebsolutions

VS Code extension: context budget analyzer, .md linter, CER dashboard, lessons governance, and security scanner for AI coding agent workflows (CLAUDE.md, SKILL.md, todo.md, lessons.md)

updated Jun 2026

continual-learning

4
@QLYYLQ

Continuous Learning v3 for Claude Code: hook-based session recording, bash interception, and pattern detection

updated May 2026

agentic-config

4
@gavinmcfall

Opinionated Claude Code configuration with skills, hooks, rules, and settings for productive agentic workflows

updated May 2026
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