skill-creator
skill-creator is an agent skill published by anthropic. It lives in the anthropics/skills repository, which has 183,845 GitHub stars; we last read it on 2026-09-16.
This tool allows users to create new skills, modify and improve existing ones, and measure skill performance through evaluations and variance analysis.
Install
skills is a generic installer for any repository of Claude agent skills -- it reads anthropics/skills’s own structure rather than assuming one, the same way this page reads the skill’s own SKILL.md rather than assuming a format.
npx skills add anthropics/skills
Maintenance
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.
Common questions about skill-creator
- What does skill-creator do?
- This tool allows users to create new skills, modify and improve existing ones, and measure skill performance through evaluations and variance analysis.
- How do I install skill-creator?
- Run npx skills add anthropics/skills. The skills installer reads the repository’s own structure, so it works for any repository of agent skills.
- Who publishes skill-creator?
- anthropic.
- Is skill-creator maintained, and what licence does it use?
- Its repository has 183,845 GitHub stars and its state in our directory is listed. Its last commit we recorded was on 2026-10-09. We did not find a declared licence, so check the repository before you rely on it.