skill-creator

Official source

End-to-end workflow for authoring, testing, benchmarking, and optimizing agent skills, including eval runs, a review viewer, and a description-triggering optimizer.

Source: Anthropic

Claude.ai · CompatibleClaude Code · CompatibleDevelopment

At a glance

Verified source
Best for
Creating a new skill from a workflow you want to capture
Works with
Claude.ai · Claude Code
Outcome
Improving an existing skill via with-skill vs baseline eval comparisons
Source
anthropics/skills

01 / Understand the skill

About skill-creator

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.

02 / Confirm the fit

Use skill-creator when you need to

  • Creating a new skill from a workflow you want to capture
  • Improving an existing skill via with-skill vs baseline eval comparisons
  • Optimizing a skill description so it triggers reliably

03 / See the workflow

How skill-creator works

  1. 01Install: npx skills add https://github.com/anthropics/skills --skill skill-creator
  2. 02Try: Help me turn my weekly report process into a tested, reusable skill.
  3. 03Get: A drafted SKILL.md plus eval cases, benchmark results, and a tuned description.

Check before installing

Compatible platforms

Claude.ai · Claude Code

Best fit

Creating a new skill from a workflow you want to capture

Review the source instructions if the required output differs from the formats described above.

Install and use

Compatible with Claude.ai and Claude Code · Published by Anthropic

Ready to add skill-creator?

Use the published instructions below, then provide the required input and describe the result you need.

General instructions · Claude.ai · Claude Code

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

Review the source repository and license before installing third-party skills.

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