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skill-creatorby AnthropicOfficialDevelopmentGitHub stars: 181k

Skill Creator skill: what it does and how to install it

Creates new skills, improves existing ones and measures how well they perform with evals and benchmarks.

Warning. A security audit flagged this skill with a high risk warning. Read its SKILL.md and scripts before you install it.

Install

$ npx skills add anthropics/skills --skill skill-creator

Run it in a terminal. If your agent is already running, start a new session so it picks the skill up.

About this skill

What it does. Guides the creation of a new skill and its improvement over iterations: capture the intent, interview and research, write the SKILL.md, create test prompts, run them with and without the skill, grade the results in a viewer, then rewrite the skill from the feedback.

When to use it. When you want to create a skill from scratch, edit or improve an existing one, or measure how a skill performs with evals.

History

Repo stars

181kAbout +5.3k since 16 Jul 2026

Before 1 Oct 2026 the curve is estimated from public event data.

Stars are counted for the whole repository, which holds 19 skills.

Show as a table
Repo stars by day
DateRepo stars
12 Oct 2026180,659
11 Oct 2026180,421
10 Oct 2026180,250
9 Oct 2026180,099
8 Oct 2026180,129
7 Oct 2026179,999
6 Oct 2026179,860
5 Oct 2026179,724
4 Oct 2026179,585
3 Oct 2026179,468
2 Oct 2026179,387
1 Oct 2026179,255
24 Sept 2026 (estimated)179,148
17 Sept 2026 (estimated)178,985
10 Sept 2026 (estimated)178,046
3 Sept 2026 (estimated)175,705
27 Aug 2026 (estimated)175,600
20 Aug 2026 (estimated)175,552
13 Aug 2026 (estimated)175,512
6 Aug 2026 (estimated)175,416
30 Jul 2026 (estimated)175,407
23 Jul 2026 (estimated)175,372
16 Jul 2026 (estimated)175,315

Installs

403k+7.7k since 1 Oct 2026

Installs via skills.sh

Show as a table
Installs by day
DateInstalls
12 Oct 2026403,419
11 Oct 2026402,552
10 Oct 2026401,911
9 Oct 2026401,164
8 Oct 2026400,164
7 Oct 2026399,001
6 Oct 2026397,895
5 Oct 2026399,194
4 Oct 2026398,318
3 Oct 2026397,610
2 Oct 2026396,748
1 Oct 2026395,756

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