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
Pythonic code with modern type hints, dataclasses, async patterns, packaging, and testing
Test-driven development workflow with Red-Green-Refactor cycle across languages
Expert guidance for Vitest testing framework including unit tests, integration tests, mocking, coverage, React Testing Library integration, and TypeScript testing. Use this when writing tests for Vite-based applications.
Comprehensive guidance for writing React code in diplicity-react, including components, forms, data loading, routing, testing, and validation. Use when implementing React features, refactoring React code, or reviewing React changes.
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.