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 179,945 GitHub stars across a repository of 9 listed skills.
github.com/anthropics/skills/skills/skill-creator (opens in a new tab)
- Official
- Multi-skill repo
- Plugin marketplace
- Testing & QA
- Actively maintained
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-creatorIn 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 projectsStandalone 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 projectsSource (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.
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What is the Skill Creator skill?
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 179,945 GitHub stars across a repository of 9 listed skills. Its SKILL.md lives at github.com/anthropics/skills/skills/skill-creator.
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 5, 2026. appsgit only lists skills from repositories with a commit in the last six months.