AI Plugin Index
Skill creator
Plugin by anthropics · updated · ★ 44k
Skill creator helps users create new skills, improve existing skills, and measure skill performance. It is listed in the Claude Code plugins directory and published by Anthropic. Skill creator is published by anthropics on GitHub.
Install Skill creator
Built from the published package, never by AI/plugin marketplace add anthropics/claude-plugins-official
/plugin install skill-creator@claude-plugins-officialType both lines inside Claude Code: the first adds the marketplace, the second installs the plugin.
Skills can run scripts on your machine. Some need an API key: check the README.
Last commit 2 days ago
Apache-2.0: permissive, fine for commercial use
Clear description, 43,811 stars, original repository
No risky patterns in the files we checked
About Skill creator
Skill creator is a Claude Code plugin published by Anthropic. Its listing says it can create a skill from scratch, update or optimize an existing skill, run evals to test a skill, and benchmark skill performance with variance analysis.
The plugin is listed in the official Claude Code plugins directory, which is maintained by Anthropic. The directory notes that Anthropic does not control what plugins include and cannot verify that they work as intended, so users should review a plugin before installing it. The source for this entry is the directory README, which describes how plugins and skill bundles are structured. It does not describe the skill creator's internal workings. The plugin is aimed at developers and users who write or maintain skills for Claude Code.
Written from the project's README and checked against it.
What Skill creator can do
- Create skillsCreates a new skill from scratch.
- Improve skillsUpdates or optimizes an existing skill.
- Run evalsRuns evals to test a skill.
- Benchmark performanceBenchmarks skill performance with variance analysis.
What you need
- Claude Code
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Try asking
- Create a new skill that summarizes meeting notes
- Optimize my existing skill for clearer outputs
- Run evals on my skill and benchmark its performance
Good to know
- The directory notes that Anthropic does not verify that plugins work as intended or will not change.
- The source does not describe the plugin's detailed features beyond its listed description.
Security check
ANo download-and-run commands, hidden instructions or signs of sending keys out were found.
Checked automatically: README.md. This looks for known risky patterns and is not a full audit. How grades work
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Skill creator: common questions
Is skill creator an official Anthropic plugin?
It is listed under the publisher anthropics in the Claude Code plugins directory. The directory says Anthropic maintains its internal plugins under the plugins folder.
How do I install skill creator?
The directory describes installing plugins with the Claude Code plugin system from the claude-plugins-official marketplace.
Should I trust plugins from this directory?
The directory says users should trust a plugin before installing, updating, or using it. Anthropic does not control what plugins include or verify that they will not change.
How do I install Skill creator?
Inside Claude Code, add the marketplace with /plugin marketplace add anthropics/claude-plugins-official, then install the plugin with the second command shown above.
Is Skill creator free?
The code is published under the Apache-2.0 licence. The service it connects to may have its own pricing.
Is Skill creator safe to use?
It scores 94 of 100. Grades: maintenance A, licence A, quality B. Security check: grade A, no risky patterns found in the files checked. Review the code before you install. How grades work.
What are alternatives to Skill creator?
Similar plugins: Mattpocock skills, Superpowers, Zoom plugin, Code review.