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

8246entries
★ starsA–Z name

claude-code-plugins

7
@zhebil

Claude Code plugin marketplace with developer productivity hooks

updated May 2026

majia-guanyuan

7
@maojiebc

观远 BI (Guandata) 全链路 Agent Skill · 数据查询/取数(Part A)+ ETL 治理/写入(Part B)+ HTML/CSS/JS 自定义图表(Part C)· Claude Code / OpenClaw / Codex / Hermes 通用 · V2.1.0

updated May 2026

claude-code-skills

7
@nurdamiron

Curated, hand-verified catalog of working Claude Code skills — marketing, SEO, dev, MCP — plus a built-in 19-sub-skill SEO/GEO agent. No dead links.

updated May 2026

skillguard

7
@yangyixxxx

Local-first security scanner for AI Skill bundles. 72 rules, < 2s, zero LLM cost. Apache-2.0. SaaS at skillguard.vip

updated May 2026

pi-agent-go

7
@amit-timalsina

Minimal Go agent framework for LLM tool-calling loops. Typed tools, parallel execution, three hooks, streaming progress, snapshot resume. Works with Anthropic Claude, OpenAI GPT-5, Google Gemini via pi-llm-go.

updated Jun 2026

agent_eval

7
@bettyguo

An open-source benchmark for Claude Code skill bundles (.claude/skills/) and CLAUDE.md configs. Pass@k + cost + reliability, content-addressed leaderboard, runs on Anthropic / OpenAI / Google.

updated May 2026

agile-team-skill

7
@thecoderbuddy

An AI-powered agile team for any software project. Ship with the discipline of a senior team — even when you're building alone.

updated Jun 2026

cloakbrowser-skill

7
@OctavianTocan

Claude skill that wraps CloakBrowser stealth Chromium — fetch, screenshot, PDF, and run JS through anti-bot detection (Cloudflare, reCAPTCHA, FingerprintJS) from any Claude agent.

updated Jun 2026

style-alchemy

7
@snowmays

把一批文章样本自动炼化成可复用的写作风格档案,并生成一个按该风格写作的专属 Claude skill。/ A Claude Code skill that distills writing samples into a reusable style profile and forges a dedicated writing skill.

updated May 2026

awesome-claude-plugins

7
@rdmgator12

Community-maintained directory of plugins in Anthropic's official Claude Plugins catalog — 132 bundles of skills, MCP servers, slash commands, sub-agents, and hooks for Claude Code and Cowork. Not affiliated with Anthropic.

updated Jun 2026

chatgpt-ads-builder

7
@fseixas

A Claude skill that builds complete ChatGPT Ads campaigns: ad groups with context hints, character-validated copy (35/67), and 1024x1024 icon prompts.

updated May 2026

google-seo-geo-aeo-audit-skill

7
@wishfy-ai

Audit your website for all AI Search best practices google recommends for SEO,GEO,AEO

updated May 2026

scribo-skill

7
@causa-prima-ai

Scribo Claude/Codex skill — generate EN 16931-compliant e-invoices (ZUGFeRD, XRechnung, US plain PDF; Factur-X, Facturae, Peppol BIS UBL coming soon) via the public Scribo HTTP API

updated Jun 2026

claude-tg-windows

7
@ppcvote

Keep the Telegram MCP plugin alive on Windows — silent boot + zombie killer for Claude Code.

updated Jun 2026

claude-orchestra

7
@Momo2323-ui

An operating system for your Claude Code skills, agents & MCPs — organize everything into auto-routing orchestras.

updated May 2026

data-craft

7
@yixiliu617

Beautiful, themed HTML data displays and research briefings for you and your coding agents.

updated May 2026

publicskills

7
@HugoVeltorai

A collection of Claude Skills for senior leaders and the people who work alongside them. They are built for the executive who is time-poor and judgement-rich: someone who does not need another tool that produces generic output, but a set of capabilities that carry real operating judgement and ask the right questions before they answer

updated Jun 2026

dom-narrator

7
@fltman

Chrome extension: pick page elements, drag them, narrate edits, get a clean prompt for Claude Code. CC BY 4.0 — Anders Bjarby.

updated May 2026

wayd

7
@ferdinandobons

The coffee break for programmers using AI coding agents. 30 seconds to post a vibe, scroll a random feed of devs stuck on the same bugs, react with emoji, get back to work. Powered by GitHub Issues. No server, no signup.

updated May 2026

seppuku

7
@deeflect

切腹 — a skill that makes your coding agent atone for unforgivable mistakes: a formal apology, ASCII seppuku, and a ~/.seppuku ledger it learns from. Concept by @allgarbled.

updated May 2026

specwright

7
@developzoneio

Spec-driven development workflows for Claude Code — 9 commands, 5 agents, 3 hooks

updated Jun 2026

aleabito-serenity-skills

7
@lanfuli

Claude/Codex agent skills distilled from @aleabitoreddit (Serenity)'s full public archive — track her, analyze like her, anticipate her next focus. Bilingual 中文/English.

updated Jun 2026

antigravity-link-extension

6
@flyamjad

📱 Control your Antigravity sessions from your phone. Upload files and manage multiple chats easily with this mobile-friendly extension.

updated Jun 2026

awesome-ai-tools

6
@foodman1227

🤖 Explore essential AI tools for building, automating, and monetizing projects across content, video, e-commerce, and more.

updated Jun 2026
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