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

8250entries
★ starsA–Z name

html-chameleon

2
@churin1116

Stop hardcoding colors in your HTML artifacts. Chameleon is a tiny shared theme contract (21 CSS variables + Tailwind-shaped utility classes) so any HTML can be repainted by a Chrome extension, a Claude Code Skill, or the reader's preference.

updated May 2026

claude-notify

2
@xtianowner

本地通知系统:监控所有 Claude Code 会话的 hook 事件,关键节点推飞书 + dashboard 实时展示。多会话并行不漏看。

updated May 2026

ash-claude-skills

2
@CookiesHaha

A collection of Claude Code Skills focused on PRD authoring & sync workflows with Lark/飞书.

updated May 2026

interactive-field-guide-skill

2
@klaywang24

Cross-agent skill that turns any research topic into a polished, interactive HTML field guide — sidebar nav, ⌘K search, SVG ecosystem map, 2×2 strategic matrix, 22-part editorial structure, VC/CB Insights depth. Claude / Codex / Gemini / Cursor.

updated May 2026

real-estate-claude-skills

2
@TheProsperityAgent

Open-source Claude skills for real estate agents — Fair Housing compliant by default. 19 skills covering listings, offers, lead nurture, BoldTrail bridge, MLS-to-social, and the full Canva stack. Built by Al & Victoria Pinder, ICON agents at eXp Realty.

updated May 2026

kicad-claude-mcp

2
@Greg3001

MCP server giving Claude Code 105 tools to design KiCAD PCBs end-to-end: schematic, library indexing, PCB layout, autorouting (Freerouting), ERC/DRC, manufacturing outputs, signal integrity, RF design, thermal/EMC analysis, panelization, SPICE simulation.

updated May 2026

postline

2
@Christianye

A Feishu/Lark bot framework powered by Claude (Bedrock / Anthropic). Always-on LLM teammate with streaming, tool use, vision, memory.

updated Jun 2026

amazing-seo-skill

2
@metawhisp

Comprehensive SEO + AEO + GEO audit skill for Claude Code. Real-browser Core Web Vitals, Schema.org validation, live LLM citation tracking across ChatGPT/Perplexity/Claude/Grok, internal link graph, hreflang, multi-page audits, growth opportunities. Works with any website.

updated May 2026

skills

2
@ai-agent-lead

A library of Claude Code skills that encode engineering discipline — investigate, design, TDD, review, prod-readiness — so Claude follows it by default.

updated May 2026

claude-ai-system

2
@hmzainjamil

Complete Claude AI automation OS — 45 skills, 210 agents, MAE engine, Paperclip CEO, daily lead pipelines for DigiMinds agency

updated May 2026

claude-ai-skills

2
@hmzainjamil

45 production Claude AI skills — website builder, lead gen, ads strategy, GEO/SEO, agency pipeline

updated May 2026

starter

2
@floomhq

Floom Starter Pack. 65 hand-picked AI agent skills for Claude Code, Codex, Cursor, Kimi, OpenCode. One install, auto-activates. +16.2pp pass-rate lift.

updated May 2026

ClaudeCode-For-Researcher

2
@sangwonme

Useful claude code skills and hooks for awesome researchers

updated May 2026

pi-llm-go

2
@amit-timalsina

Minimal Go LLM client. Streaming completions, tool calling, prompt caching, token counting, cost helpers, retry middleware for Anthropic Claude, OpenAI (GPT-5 + Responses API), Google Gemini, and OpenAI-compatible hosts.

updated May 2026

3d-animation-creator-skill

2
@sergeyramas

Claude Code skill: video → FFmpeg frames → Apple-style canvas scroll animation website

updated May 2026

zero-cost-deploy

2
@sunrf-renlab-ai

Claude Code skill to deploy a web app to production for $0/month on Vercel + Render + Supabase + Upstash free tiers. MCP-first, every gotcha documented (Hobby cron limit, Blueprint env loss, supabase db push timeout, ClipboardEvent paste trick).

updated May 2026

supabase-architect-skill

2
@antoniocostalopes

Enterprise-grade database architect, security auditor and production consultant for Supabase — Claude Code Skill

updated May 2026

tokenwise

2
@CodeShuX

Cut Claude Code spend without sacrificing quality — and prove it. Haiku/Sonnet/Opus router with real $-saved numbers, not vibes.

updated Jun 2026

keito-skill

2
@osodevops

Keito Agent Skill and Claude Code plugin for tracking billable AI coding sessions

updated May 2026

trip-search-mcp

2
@nanwer

MCP server giving Claude live access to flights, hotels, vacation rentals, Airbnb, activities, events, weather, and currency — plus persistent flight-price watches and per-property detail drill-downs. 11 tools, server-level rendering instructions, plain-English prompts.

updated Jun 2026

slidoc

2
@shyenx

Stop rewatching long lectures to find one slide — slidoc turns each video into a scannable Markdown of slides + cleaned narration. Local (ffmpeg + whisper.cpp). CLI + Claude Code skill.

updated Jun 2026

mdrise

2
@YukiOvOb

让 Markdown 升维成可分享的 HTML · A Claude skill that auto-maintains a styled HTML mirror of any Markdown — preserves every word, picks the right aesthetic, floats a ToC, works in 17+ scripts.

updated May 2026

hookguard

2
@Fredbcx

Security scanner for AI coding agent configs — detects RCE hooks, invisible Unicode, credential exfiltration, and prompt injection in CLAUDE.md, settings.json, and .cursor/rules

updated May 2026

ai-gameplay-pack-lite-skill

2
@irenerachel

【Skill】AI 游戏实机视频提示词包工厂极简版

updated May 2026
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