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Claude Skills Library by nginity (Your Agentic Startup Kit)

Production-Ready skill packages for Claude AI & Claude Code - Reusable expertise bundles combining best practices, analysis tools, and strategic frameworks for marketing teams, executive leadership, product development, your web and mobile engineering teams. Many other teams will be included soon and regularly.

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⚡ Quick Install

Choose your AI agent:

Method 1: Claude Code Native (Recommended for Claude Code users)

Use Claude Code's built-in plugin system for native integration:

# In Claude Code, run:
/plugin marketplace add alirezarezvani/claude-skills

# Then install skill bundles:
/plugin install marketing-skills@claude-code-skills     # 5 marketing skills
/plugin install engineering-skills@claude-code-skills   # 18 engineering skills
/plugin install product-skills@claude-code-skills       # 5 product skills
/plugin install c-level-skills@claude-code-skills       # 2 C-level advisory skills
/plugin install pm-skills@claude-code-skills            # 6 project management skills
/plugin install ra-qm-skills@claude-code-skills         # 12 regulatory/quality skills

# Or install individual skills:
/plugin install content-creator@claude-code-skills      # Single skill
/plugin install fullstack-engineer@claude-code-skills   # Single skill

Benefits:

• ✅ Native Claude Code integration
• ✅ Automatic updates with /plugin update
• ✅ Version management with git tags
• ✅ Skills available in ~/.claude/skills/

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Method 2: OpenAI Codex Installation

For OpenAI Codex users, install via universal installer or direct script:

# Option A: Universal installer
npx ai-agent-skills install alirezarezvani/claude-skills --agent codex

# Option B: Direct installation script
git clone https://github.com/alirezarezvani/claude-skills.git
cd claude-skills
./scripts/codex-install.sh

# Option C: Install specific category or skill
./scripts/codex-install.sh --category engineering
./scripts/codex-install.sh --skill content-creator

Benefits:

• ✅ Full Codex compatibility via .codex/skills/ symlinks
• ✅ 43 skills with YAML frontmatter metadata
• ✅ Cross-platform scripts (Unix + Windows)
• ✅ Skills available in ~/.codex/skills/

See: How to Use with OpenAI Codex for detailed guide.

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Method 3: Universal Installer (Works across all agents)

Install to Claude Code, Cursor, VS Code, Amp, Goose, and more - all with one command:

# Install all 48 skills to all supported agents
npx ai-agent-skills install alirezarezvani/claude-skills

# Install to specific agent (Claude Code)
npx ai-agent-skills install alirezarezvani/claude-skills --agent claude

# Install single skill
npx ai-agent-skills install alirezarezvani/claude-skills/marketing-skill/content-creator

# Install to Cursor
npx ai-agent-skills install alirezarezvani/claude-skills --agent cursor

# Preview before installing
npx ai-agent-skills install alirezarezvani/claude-skills --dry-run

Benefits:

• ✅ Works across 9+ AI agents simultaneously
• ✅ One command installs to all agents
• ✅ No agent-specific configuration needed

Supported Agents: Claude Code, Cursor, VS Code, Copilot, Goose, Amp, OpenAI Codex, Letta, OpenCode

Installation Locations:

• Claude Code: ~/.claude/skills/
• Cursor: .cursor/skills/
• VS Code/Copilot: .github/skills/
• Goose: ~/.config/goose/skills/
• OpenAI Codex: ~/.codex/skills/
• Project-specific: .skills/

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Detailed Installation Guide: See INSTALLATION.md for complete instructions, troubleshooting, and manual installation.

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📚 Table of Contents

• Quick Install
• Overview
• Available Skills
• Quick Start
• How to Use with Claude AI
• How to Use with Claude Code
• How to Use with OpenAI Codex
• Skill Architecture
• Installation
• Usage Examples
• Roadmap
• Contributing
• License
• Author

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🎯 Overview