Skill Claude CodeCodex
Design stable, evolvable APIs and interfaces using contract-first methodology, rigorous boundary validation, and versioning strategies that respect Hyrum's Law.
1 2mo ago A 35 tokens
Skill Claude CodeCodex
Test web applications in real browsers via Chrome DevTools Protocol including DOM inspection, console analysis, network profiling, performance auditing, Lighthouse CI, and visual regression.
1 2mo ago A 37 tokens
Skill Claude CodeCodex
Enforces the Red-Green-Refactor cycle with strict test pyramid discipline (80% unit, 15% integration, 5% e2e). Mandates DAMP over DRY in test code, the Beyoncé Rule (if you liked it then you should've put a test on it), intentional mocking patterns, and the Prove-It pattern for bug fixes.
1 2mo ago A 79 tokens