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Skill Creator

Skill Creator is an agent skill (a SKILL.md file) from anthropics/skills. Create new skills, modify and improve existing skills, and measure skill performance. It works with Claude Code and has 183,836 GitHub stars across a repository of 9 listed skills.

github.com/anthropics/skills/skills/skill-creator (opens in a new tab)

Data as of from the GitHub API and skills.sh; description from the skill's SKILL.md. Report an error

View on GitHub (opens in a new tab)View on skills.sh (opens in a new tab)

Add this skill

Claude

This repository is a Claude Code plugin marketplace. In Claude Code:

/plugin marketplace add anthropics/skills
/plugin   # browse anthropic-agent-skills and install the plugin that contains skill-creator

In the Claude apps, zip the skill-creator folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).

ChatGPT / Codex

Codex reads skills from .agents/skills/ in a repo or ~/.agents/skills/ for every project:

git clone --depth 1 https://github.com/anthropics/skills.git
cp -r skills/skills/skill-creator .agents/skills/skill-creator   # repo; ~/.agents/skills for all projects

Standalone skills also load in the ChatGPT desktop app.

Cursor

Cursor loads skills from .cursor/skills/ (or ~/.cursor/skills/) and also reads .claude/skills/:

git clone --depth 1 https://github.com/anthropics/skills.git
cp -r skills/skills/skill-creator .cursor/skills/skill-creator   # project; ~/.cursor/skills for all projects

Source (checked Oct 7, 2026): code.claude.com/docs/en/skills (opens in a new tab), code.claude.com/docs/en/plugin-marketplaces (opens in a new tab), support.claude.com/en/articles/12512180-using-skills-in-claude (opens in a new tab), learn.chatgpt.com/docs/build-skills (opens in a new tab), cursor.com/docs/context/skills (opens in a new tab)

What this skill does

Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy. A skill for creating new skills and iteratively improving them.

When it triggers

  • Use when users want to create a skill from scratch, edit, or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.

More skills in anthropics/skills

9 skills are listed from this repository.

Similar skills

More testing & qa skills

All Testing & QA

FAQ

Skill Creator FAQ

Still curious? Email info@appsgit.com.

How do I install the Skill Creator skill?

In Claude Code, run /plugin marketplace add anthropics/skills, then install its plugin from /plugin. For Codex or Cursor, copy the skill-creator folder into .agents/skills/ or .cursor/skills/.

Is the Skill Creator skill free?

Yes. The repository is open source under the Apache-2.0 license.

Is Skill Creator maintained?

The repository's most recent commit was on Oct 9, 2026. appsgit only lists skills from repositories with a commit in the last six months.