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Claude Skills Library

169 production-ready skill packages for Claude Code, OpenAI Codex, and OpenClaw — reusable expertise bundles that transform AI agents into specialized professionals across engineering, product, marketing, compliance, and more.

⭐ 2,300+ GitHub stars — the most comprehensive open-source skill library for AI coding agents.

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What Is This?

Skills are modular instruction packages that give AI agents domain expertise they don't have out of the box. Each skill includes a SKILL.md (instructions + workflows), Python CLI tools, and reference documentation — everything the agent needs to perform like a specialist.

One repo, three platforms: Works natively with Claude Code, OpenAI Codex, and OpenClaw.

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Quick Install

Claude Code (Recommended)

# Add the marketplace
/plugin marketplace add alirezarezvani/claude-skills

# Install by domain
/plugin install engineering-skills@claude-code-skills          # 21 core engineering
/plugin install engineering-advanced-skills@claude-code-skills  # 25 POWERFUL-tier
/plugin install product-skills@claude-code-skills               # 8 product skills
/plugin install marketing-skills@claude-code-skills             # 42 marketing skills
/plugin install ra-qm-skills@claude-code-skills                 # 12 regulatory/quality
/plugin install pm-skills@claude-code-skills                    # 6 project management
/plugin install c-level-skills@claude-code-skills               # 10 C-level advisory (full C-suite)
/plugin install business-growth-skills@claude-code-skills       # 4 business & growth
/plugin install finance-skills@claude-code-skills               # 1 finance

# Or install individual skills
/plugin install skill-security-auditor@claude-code-skills       # Security scanner
/plugin install playwright-pro@claude-code-skills                  # Playwright testing toolkit
/plugin install self-improving-agent@claude-code-skills         # Auto-memory curation
/plugin install content-creator@claude-code-skills              # Single skill

OpenAI Codex

npx agent-skills-cli add alirezarezvani/claude-skills --agent codex
# Or: git clone + ./scripts/codex-install.sh

OpenClaw

bash <(curl -s https://raw.githubusercontent.com/alirezarezvani/claude-skills/main/scripts/openclaw-install.sh)

Manual Installation

git clone https://github.com/alirezarezvani/claude-skills.git
# Copy any skill folder to ~/.claude/skills/ (Claude Code) or ~/.codex/skills/ (Codex)

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Skills Overview

134 skills across 9 domains:

Domain	Skills	Highlights	Details
🔧 Engineering — Core	21	Architecture, frontend, backend, fullstack, QA, DevOps, SecOps, AI/ML, data	engineering-team/
🎭 Playwright Pro	9+3	Test generation, flaky fix, Cypress/Selenium migration, TestRail, BrowserStack, 55 templates	engineering-team/playwright-pro
🧠 Self-Improving Agent	5+2	Auto-memory curation, pattern promotion, skill extraction, memory health	engineering-team/self-improving-agent
⚡ Engineering — POWERFUL	25	Agent designer, RAG architect, database designer, CI/CD builder, security auditor, MCP builder	engineering/
🎯 Product	8	Product manager, agile PO, strategist, UX researcher, UI design, landing pages, SaaS scaffolder	product-team/
📣 Marketing	42	7 pods: Content (8), SEO (5), CRO (6), Channels (5), Growth (4), Intelligence (4), Sales (2) + context foundation + orchestration router. 27 Python tools.	marketing-skill/
📋 Project Management	6	Senior PM, scrum master, Jira, Confluence, Atlassian admin, templates	project-management/
🏥 Regulatory & QM	12	ISO 13485, MDR 2017/745, FDA, ISO 27001, GDPR, CAPA, risk management	ra-qm-team/
💼 C-Level Advisory	28	Full C-suite (10 roles) + orchestration + board meetings + culture & collaboration	c-level-advisor/
📈 Business & Growth	4	Customer success, sales engineer, revenue ops, contracts & proposals	business-growth/
💰 Finance	1	Financial analyst (DCF, budgeting, forecasting)	finance/

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⚡ POWERFUL Tier

25 advanced skills with deep, production-grade capabilities: