🥷Skills Ninja
FundamentalsIntermediateAdvancedDeploymentReferenceExamplesPlayground
Fundamentals

🎯 Fundamentals

Build a solid mental model of what skills are and how they work.

1

What Are Skills?

Mental model, when to use skills, and how they fit into AI coding agents.

2

Skill File Anatomy

Walk through the structure of a skill file from top to bottom.

3

Frontmatter Fields

Every frontmatter field explained with practical examples.

4

Skill Locations

Enterprise > Personal > Project > Plugin — the resolution hierarchy.

5

Your First Skill

Hands-on tutorial: build a commit-message skill from scratch.

Learn

  • Fundamentals
  • Intermediate
  • Advanced
  • Deployment

Resources

  • Reference
  • Examples
  • Playground
  • Cheatsheet

Providers

  • Claude Code
  • Cursor
  • Windsurf
  • GitHub Copilot
  • OpenAI Codex
  • Gemini CLI

About

Built by Frank Sellhausen as the definitive resource for teaching AI agents new skills.

🥷Skills Ninja

Built by Frank Sellhausen. Not affiliated with Anthropic.