Agent Skill Author

Guides authoring and refining a SKILL.md through an empirical, test-first process.

Test report

Verdict
In test queue
Tested
Environment
Pending

In the test queue — machine-screened (validator 85/100, 144★ repo), full install/trigger/output test scheduled.

What Agent Skill Author does

Use this skill when the user wants to author, design, scope, or refine an Agent Skill (a SKILL.md file). Trigger phrases include "build a new skill", "design an agent skill", "scope a SKILL.md", "how should I structure this skill", "write a skill for X", "my skill isn't working well", or any request to improve an existing SKILL.md. Walks the user through an empirical, test-first process —…

How to install Agent Skill Author

git clone https://github.com/matlab/agent-skills-playground
cp -r agent-skills-playground/demos/engineering-an-agent-skill/skills/agent-skill-author ~/.claude/skills/agent-skill-author

Skills live in ~/.claude/skills/ (global) or .claude/skills/ (per-project). Restart Claude Code after installing.

Commands — how to trigger Agent Skill Author

  • /agent-skill-author Guides authoring and refining a SKILL.md through an empirical, test-first process.

It also activates on plain-language prompts like these:

  • Help me scope a SKILL.md for database migrations
  • My skill isn't triggering correctly, help me fix it
  • Design a new agent skill for invoice processing

Frequently asked questions

Is the Agent Skill Author skill free?
Yes. The skill itself is free from matlab/agent-skills-playground. SkillProof publishes the install command and an independent test verdict at no cost.
Does Agent Skill Author work with Claude Code?
It is in our test queue — we run every skill on real work before issuing a verdict, and this one is scheduled.
How do I install Agent Skill Author?
Copy the install command from this page, run it in your terminal, and restart Claude Code. Skills live in ~/.claude/skills/ (global) or .claude/skills/ inside a project.
Can I use Agent Skill Author with Cursor, Copilot, Gemini CLI, Codex or other AI tools?
The SKILL.md format is native to Claude (Claude Code, Desktop, claude.ai). The instructions inside adapt to other assistants: Cursor rules, GitHub Copilot instructions, Windsurf rules, Custom GPTs, AGENTS.md for OpenAI Codex, and GEMINI.md for Google Gemini CLI — our conversion guides cover each, and the free converter on the tools page does the wrapping for you.