🥷Skills Ninja
FundamentalsIntermediateAdvancedDeploymentReferenceExamplesPlayground
Intermediate

⚡ Intermediate

Learn dynamic context, substitutions, and the permission model.

1

Progressive Disclosure

The 3-tier loading system: description, then instructions, then full content.

2

String Substitutions

$ARGUMENTS, positional $1–$9, and built-in variables like ${CLAUDE_SESSION_ID}.

3

Dynamic Context

Shell-powered context with the !`command` syntax.

4

Allowed Tools

Controlling which tools a skill can use for safety and focus.

5

Supporting Files

Templates, scripts, and reference files that live alongside your skill.

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.