tdd-mode

Guide the Red-Green-Refactor cycle for writing failing tests and minimal code.

3|1|Updated Feb 2, 2026
One-click install
npx skills add https://github.com/HouseGarofalo/claude-code-base --skill tdd-mode
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: tdd-mode
Source: https://github.com/HouseGarofalo/claude-code-base/tree/main/.claude/skills/tdd-mode
Command: npx skills add https://github.com/HouseGarofalo/claude-code-base --skill tdd-mode

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps developers adopt and practice Test-Driven Development (TDD), ensuring code is written with robust tests from the outset, leading to higher quality and maintainable software.

Core Features & Use Cases

  • TDD Methodology Guidance: Provides clear explanations and examples of the Red-Green-Refactor cycle.
  • Test Writing Assistance: Helps generate failing tests, minimal implementations, and refactored code.
  • Use Case: When starting a new feature, use this Skill to guide you through writing tests before writing any production code, ensuring testability and correctness.

Quick Start

Use the tdd-mode skill to help write a failing test for a new user registration function.

Frequently Asked Questions about tdd-mode

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I practice Test-Driven Development using the Red-Green-Refactor cycle?

Test-Driven Development (TDD) is practiced by writing a failing test first, implementing minimal code to pass, and refactoring for quality. This approach ensures code is written with robust tests from the outset, leading to higher quality software.

When should I write failing tests before writing production code?

You should write failing tests before production code when starting a new feature to ensure testability and correctness. This TDD methodology guarantees the functionality is validated from the beginning rather than tested as an afterthought.

Can I use TDD methodology for unit, integration, and acceptance testing?

Yes, TDD methodology supports unit, integration, and acceptance testing strategies. It provides best practices for various programming languages to guide you through writing tests before implementing the corresponding code.

What's the best way to refactor code after passing tests in TDD?

The best way to refactor code after passing tests in TDD is to improve code quality while ensuring the tests remain green. This phase focuses on cleaning up the minimal implementation without changing its external behavior or breaking existing test coverage.

Does Test-Driven Development work with various programming languages?

Yes, Test-Driven Development works with various programming languages by offering best practices for each. It guides developers through the testing cycle regardless of the language, ensuring robust tests and maintainable software across different environments.