TDD (Test-Driven Development) Skill

Guide Claude to follow strict Test-Driven Development practices when implementing new features or fixing bugs. Ensures tests are written BEFORE implementation code.

When to Use

• Implementing new features
• Adding new methods to existing services/repositories
• Fixing bugs (write failing test first)
• Refactoring existing code

Core TDD Cycle

RED → GREEN → REFACTOR
 ↓      ↓         ↓
Fail   Pass    Improve