tdd

Guide users through the red-green-refactor Test-Driven Development cycle.

1|Updated Feb 28, 2026
One-click install
npx skills add https://github.com/locnbk2002/my-copilot --skill tdd-locnbk2002
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: tdd
Source: https://github.com/locnbk2002/my-copilot/tree/main/my-copilot/skills/tdd
Command: npx skills add https://github.com/locnbk2002/my-copilot --skill tdd-locnbk2002

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill enforces a Test-Driven Development (TDD) workflow, ensuring that code is built with a robust test suite from the outset, leading to more reliable and maintainable software.

Core Features & Use Cases

  • TDD Cycle Enforcement: Guides users through the Red (write failing tests) → Green (implement to pass) → Refactor (clean up) cycle.
  • Requirement Clarity: Ensures requirements are well-defined before implementation by requiring failing tests.
  • Use Case: When starting a new feature, use this Skill to write all necessary tests first, then implement the minimum code to make those tests pass, followed by a cleanup phase.

Quick Start

Initiate the TDD cycle for a new feature by describing its requirements.

Frequently Asked Questions about tdd

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

FAQPage Schema
What is Test-Driven Development and how does the red green refactor cycle work?

Test-Driven Development (TDD) is a development workflow enforcing a strict test-first approach. The cycle works by writing failing tests (red), implementing minimal code to pass them (green), and refactoring without altering behavior.

How do I start writing tests first for a new software feature?

To write tests first for a new feature, initiate the TDD cycle by describing its requirements. Ensure requirements are well-defined to create failing tests, then implement the minimum code to pass, followed by a cleanup phase.

When should I use test-first development in my agile workflow?

You should use test-first development when starting a new feature in an agile workflow. It ensures code is built with a robust test suite from the outset, driving requirement clarity and producing more reliable, maintainable software.

Does Test-Driven Development help with code refactoring and maintainability?

Yes, Test-Driven Development helps with refactoring by enforcing a dedicated cleanup phase. You refactor code after passing tests, ensuring the behavior remains unaltered while improving code quality and maintainability.

How does TDD enforce requirement clarity before implementation?

TDD enforces requirement clarity by requiring failing tests before any implementation begins. This disciplined approach ensures requirements are well-defined and verifiable, driving requirement-driven development through a strict test-first methodology.