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

ai-act-skills

2
@abk1969

Multi-platform agent skills (Claude Code + Gemini CLI + OpenAI Codex) for EU AI Act compliance, anchored on ISO/IEC 42001 (AIMS) and ISO/IEC 27090 (AI cybersecurity). Citation-grade. Decision-support, not legal advice.

updated May 2026

production-claude-code

2
@ogu83

Claude Code in Production — CLAUDE.md templates, hooks, MCP server code, and context management patterns.

updated May 2026

ai-form-builder

2
@lukinov

AI form builder for React — generate production-ready forms from a screenshot, PDF, HTML, or text prompt. Claude Skill / Cursor Rule / Windsurf Rule. MIT, built on FormEngine Core.

updated Apr 2026

claude-git-reset

2
@zcaceres

Claude Code hook to block destructive git commands (reset --hard, force push, etc.)

updated May 2026

loadout

2
@JOndarza

A VSCode extension that lets you switch agent, skill, and command configurations as if they were loadouts in a game. Save profiles, swap between them with one click, sync items across projects through a global catalog, and configure Claude Code behavior — all from a single panel.

updated May 2026

second-pass

2
@HubWizard

Universal skill enhancement layer for Claude Code. Sees what your skill was trying to do, grades the gap, drives the rewrite.

updated May 2026

media-gen-skills

2
@satasuk03

a collection of agent skills (Claude Code / Kimi CLI compatible, Anthropic Agent Skills format) for AI-driven media generation. Each skill is a self-contained directory with a SKILL.md entrypoint, runnable Python scripts, and on-demand reference docs (progressive disclosure pattern).

updated May 2026

google-marketing-ops

2
@chjm-ai

Claude Code skill that orchestrates Google Ads + GA4 + GTM in one conversation — routes user intent, combines tools, and adds analysis on top of raw data.

updated May 2026

shopify-claude-ops

2
@raphmoreno

Claude Code plugin that scaffolds a disciplined AI-ops folder for any Shopify store. Brand rulebooks, runbooks, Admin API CLI, OAuth token capture, pre-publish safety hook. Run /onboard-shop to bootstrap.

updated May 2026

prompt-refiner-skill

2
@HenrikBrehm

Anti-bloat prompt linter for Claude Code, Cursor & ChatGPT. Flags prompt-engineering bugs against a stable rule catalog (PR001-PR-INJ03). Lint, don't rewrite. No framework imposition, no interview flow, no language switching.

updated Apr 2026

agent-skills-core

2
@ZroZoom

Project-agnostic Claude Code / multi-agent skills, slash commands, and CLAUDE.md template — extracted from a real Next.js + Supabase production codebase.

updated Jun 2026

azure-costs-analyzer

2
@mindaugasnakrosis

Read-only Azure cost & FinOps audit, delivered as a Claude Code skill. Snapshots a tenant via az CLI, evaluates against Microsoft + FinOps Foundation rules, produces a written analysis suitable for a PE operating partner.

updated May 2026

webtrader-skill

2
@fdiex

WebTrader feature scaffolder for Claude Code - order ticket, real-time prices, margin math. White-label trading platform.

updated May 2026

skills

2
@chrismccoy

Claude Code plugin marketplace — WordPress theme converter + 53-style design catalog

updated May 2026

skills

2
@ycdesu

Claude Code skill for stacked PRs using only native git and gh — no extensions or GitHub Stacked PRs feature required.

updated May 2026

SkillNest

2
@leavestring

SkillNest(技能巢)—— 最懂 Claude Code 用户的技能发现平台。汇集 Superpowers、Anthropic Skills 等高星 Community Skills,卡片流浏览 + 实时搜索 + 分类筛选 + 图文详情,每个技能直达 GitHub 仓库。独创社区投稿系统:填写表单自动生成结构化 Issue,站长审核收录后全站可见。纯静态架构,零依赖,Fork 即部署 GitHub Pages,让好用的 Skills 被更多人发现。欢迎更多爱好者让更多好的skills被发现!!!

updated May 2026

claude-power-loom

2
@shashankcm95

Power loom for multi-agent Claude Code orchestration — hook-enforced substrate with persistent identity reputation, contract verification, and chaos-tested patterns. v1.0.0.

updated Jun 2026

mneo

2
@HugoLopes45

Persistent memory for AI agents using git refs. MCP server + Claude Code skill. No vector database, no embeddings, no daemon — branches are scopes, push/fetch is sync.

updated May 2026

reddit-skills

2
@beggarticksarthurtatum121

Automate Reddit tasks using your actual browser and account with support for AI agents and the SKILL.md format.

updated Jun 2026

anthropic-oauth-proxy

2
@jmvbambico

OAuth proxy for Anthropic Claude Pro/Max — enables Anthropic OAuth in tools that only support API keys (Hermes, OpenAI-compatible clients)

updated May 2026

cyberseguranca

2
@izaurogabriel-hash

Skill /cyberseguranca para Claude Code — doutrina, threat modeling, hardening (Cloudflare/Supabase/Astro), compliance (LGPD/ISO/SOC2), supply chain, IR, IA/LLM security e orquestração multi-agente. ~22k linhas, 38 arquivos.

updated May 2026

watch-video

2
@khou

Video-analysis skill for AI agents.

updated May 2026

money888

2
@hanya-hu

华人理财SKILL|Claude Skill for Chinese-American & overseas Chinese investors|2026 tax numbers|Education only, not investment advice

updated May 2026

web-fetch

2
@code-yeongyu

LLM-neutral skill that fetches a URL to a temp file so agents can pipe the path through rg / jq / awk instead of dumping the whole page into context. Same shape as pi-webfetch / opencode webfetch. Single-file Python 3 stdlib. Works on macOS, Linux, Windows.

updated May 2026
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