$ npx skills add https://github.com/alexei-led/cc-thingz --skill refactoring-code
No SKILL.md available for this skill.
Improve test design and coverage, including TDD/red-green-refactor guidance. Use when user says "improve tests", "refactor tests", "test coverage", "combine tests", "table-driven", "parametrize", "test.each", "test-first", "TDD", "red-green-refactor", or wants to remove test waste.