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.