skill-creator Claude Code Plugin

skill-creator is a Claude plugin, published in the anthropics/claude-plugins-official GitHub repository, for creating new skills, improving existing skills, and measuring skill performance. According to the README, it is intended for use when a user wants to create a skill from scratch, update or optimize an existing skill, run evals to test a skill, or benchmark skill performance with variance analysis. The repository lists a .claude-plugin folder, a skills/skill-creator folder, a LICENSE file, and a README.md file. No further details about internal workflow, installation steps, or specific commands are given in the provided sources, so these remain unknown.