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

claude-bundle

2
@guru431

Portable Claude Code starter pack: sanitized CLAUDE.md, settings.json, hooks, skills + optional Karpathy-style wiki and cron pipeline.

updated Jun 2026

claude-files-starter

2
@gceico

Production-ready Claude Code setup: team contract, rules, hooks, skills, and specs workflow, wired together.

updated May 2026

reverse-seo-traffic

2
@giovani-junior-dev

Claude Code skill — Reverse-engineer competitor SEO and grow organic traffic on your own sites, product pages, and blogs (Next.js / Astro / WordPress / HTML, PT-BR + EN)

updated May 2026

fact-drift

2
@hwajongpark

A Claude Code skill that watches the source pages behind the facts you cite (prices, versions, limits, rules, deadlines) and updates every file that has gone out of date, once you approve.

updated May 2026

defensive-hook

2
@theletterf

Claude Code hook that plays sounds of your choice when you give negative feedback

updated May 2026

AI-Toolkit

2
@alaaelghamry88

A portable AI workflow toolkit for frontend teams. Skills, Agents, Hooks, and context-aware prompts structured into .claude/ — loaded natively by Claude Code.

updated May 2026

Broswer-MCP-for-Claude

2
@satisharps

Chrome browser MCP for Claude — navigate, click, type, take screenshots, monitor network & console logs. Connects Chrome to Claude (Cowork / Claude Code) via a Chrome Extension + Python MCP server. 20+ browser control tools.

updated May 2026

claude-session-log

2
@LDoubleU28

A Claude Code skill + pipeline for capturing what each session did, and pricing local transcripts so per-session cost is finally visible.

updated May 2026

should-i-care

2
@moltenbit

Should you care about this CVE? An agent skill that triages whether a CVE applies to your environment, with sourced, verifiable reasoning.

updated May 2026

timer-hooks-for-claude-code

2
@yxthu27
updated Jun 2026

iamhumans

2
@hoainho

Teach an LLM to talk like a person — not sound like one. v1.1.0 skill for opencode, tuned against 100 cases + verified by an independent oracle. Pareto-tuned, evidence-first, honestly imperfect.

updated Jun 2026

content-ideas

2
@bradautomates

Track competitors across X, Instagram, TikTok, and YouTube, see what they post, what performs, and get content ideas backed by real engagement data. Cross-host plugin for Claude Code & Codex.

updated Jun 2026

argus

2
@Evil-Bane

The all-seeing, multi-agent, vision-verified auditor for Claude Code. Tests every control for real, adversarially verifies, ranks fixes. Ships /customer-audit and /overnight.

updated Jun 2026

claude-skill-flywheel

2
@WinterDDo

A Claude Code plugin that gives Claude a memory: it remembers your corrections, turns the repeated ones into principles, and invokes the right skill each turn.

updated Jun 2026

zr-real-demand

2
@zhangganrui

在动手设计/开发前先判断「这是不是真需求」——基于梁宁《真需求》价值-共识-模式的 Claude Code Skill。A Claude Code skill that tells a real demand from a self-deceiving fake one before you build.

updated May 2026

zr-solo-studio

2
@zhangganrui

一人公司:把一句话想法端到端变成可上线产品的 Claude Code 编排 skill。调度 real-demand→taste-pm→awesome-design-html→cto 四个角色并补三道缝。An orchestrator skill: one-line idea → shipped product. (role skills by 云中江树 @yzfly)

updated Jun 2026

a-team

2
@RBraga01

Universal multi-agent infrastructure for AI coding assistants. 25 specialist agents, 16 enforced workflow skills, and a lead orchestrator — for Claude Code, Codex CLI, Cursor, and OpenCode.

updated Jun 2026

skill-to-workflow

2
@democra-ai

Compile any Claude Agent Skill into a multi-agent Workflow — a meta-workflow that recovers the parallelism hidden in a skill's prose and emits a fan-out · pipeline · adversarially-verified Workflow.

updated May 2026

sportsdata-mcp

2
@DanielTomaro13

Configurable MCP server exposing sports-data APIs (bookmakers, league feeds, stats aggregators) as tools, with a capability-tag system for cross-provider comparison. Providers are added via YAML specs.

updated Jun 2026

animated-svg-icons

2
@ConvenientSolutions

Premium interactive SVG icons: hover and scroll micro-interactions, built with Framer Motion + requestAnimationFrame. A Claude Agent Skill.

updated May 2026

claude-pet

2
@xiaomoBoy

🦀 A chibi crab desktop pet for macOS that mirrors Claude Code's state in real time — busy / waiting-for-you / done at a glance. Driven by Claude Code hooks, floats above every app (even fullscreen), chimes & nudges you, and one click jumps you back to your terminal.

updated Jun 2026

claude-codex-review

2
@maoningge

Claude Code skill: hand code/plans to Codex (codex CLI) for an independent second-opinion review

updated Jun 2026

Anthropic-Cybersecurity-Skills-695

2
@System32manager

754 structured cybersecurity skills for AI agents · Mapped to 5 frameworks: MITRE ATT&CK, NIST CSF 2.0, MITRE ATLAS, D3FEND & NIST AI RMF · agentskills.io standard · Works with Claude Code, GitHub Copilot, Codex CLI, Cursor, Gemini CLI & 20+ platforms · 26 security domains · Apache 2.0

updated May 2026

Anthropic-Cybersecurity-Skills-708

2
@System32manager

754 structured cybersecurity skills for AI agents · Mapped to 5 frameworks: MITRE ATT&CK, NIST CSF 2.0, MITRE ATLAS, D3FEND & NIST AI RMF · agentskills.io standard · Works with Claude Code, GitHub Copilot, Codex CLI, Cursor, Gemini CLI & 20+ platforms · 26 security domains · Apache 2.0

updated May 2026
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