# skill-creator

Agent skill by Anthropic (https://github.com/anthropics/skills)

The first-party skill for making skills. It covers writing one from scratch, improving an existing one, running evals against it and tuning the description so the agent actually loads it at the right moment.

Topics: Systems
Last updated: 2026-04-20 (5 months ago)
Source: https://github.com/anthropics/skills
Repository: https://github.com/anthropics/skills

## Install

```bash
npx skills add https://github.com/anthropics/skills --skill skill-creator
```

## In the author's words

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.

## Verification

- Source link: Resolved (HTTP 200) (pass)
- Repository: Resolves on GitHub (pass)
- Install command: Transcribed from the author's own page (pass)
- Maintenance: Last updated 5 months ago (pass)
- Attribution: Credited to Anthropic (pass)

Full page: https://stackskills.dev/library/skill-creator