Validates Claude Code SKILL.md files against ~25 contract rules including structure, triggers, anti-patterns, and naming. Works with Claude Code, Claude Desktop/Web, and Cursor.
$claude plugin marketplace add olgasafonova/skillcheck-freeInstalls into the current project.
Install skillcheck-free by running `claude plugin marketplace add olgasafonova/skillcheck-free`, then use it for the current task and follow its documentation at https://github.com/olgasafonova/skillcheck-free.