Reusable SKILL.md capabilities that give your agent new expertise — installed into .claude/skills/ and friends.
.claude/skills/
Use when writing or refactoring Spock tests in Java projects - enforces data-driven testing with where blocks, proper mock/stub placement, and descriptive test names following Spock best practices
Comprehensive testing standards including unit, integration, security, and property-based testing with TDD methodology
Check correctness against tests, specs, or invariants; produce pass/fail evidence. Use when validating changes, testing hypotheses, checking invariants, or confirming behavior matches expectations.
Use to choose and apply TDD or BDD based on the change, enforcing fast Red-Green-Refactor and Given-When-Then loops.