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Test-Driven Development
The red-green-refactor loop and the art of knowing what to test. Write tests first, code second, ship with confidence.
by @obra
Install
14,800 installs on skills.sh
1
Install with npx
Works with Claude Code, Cursor, Windsurf, and any agent that supports skills.
npx skillsadd obra/superpowers/test-driven-development What's included
1
Red-Green-Refactor
The TDD loop, properly executed
2
Test Boundaries
What to test, and what not to test
tddtestingengineeringquality