What is the required code coverage?

The skill enforces a minimum of 80% coverage across unit, integration, and E2E tests combined.

Does it handle external service mocking?

Yes, the skill provides established patterns for mocking common services like Redis, Supabase, and OpenAI to ensure test isolation.

Does this skill support E2E testing?

Yes, it includes specific patterns and configurations for browser-based E2E testing using Playwright.

Can I use this for refactoring existing code?

Absolutely. It is specifically designed to ensure that refactored code maintains functionality through a continuous testing loop.

TDD Workflow

Name: TDD Workflow
Author: flatrick

byflatrick

0•

Security & Testing

Enforces test-driven development practices to ensure high-quality code with a minimum of 80% test coverage across unit, integration, and E2E tests.

The TDD Workflow skill transforms Claude into a test-first development partner, ensuring that every new feature, bug fix, or refactor begins with a robust testing strategy. It guides the agent through the complete Red-Green-Refactor cycle, from defining user journeys and writing failing tests to implementing minimal code and verifying coverage thresholds. By integrating standardized patterns for Playwright, Vitest, and API testing, this skill helps maintain a reliable codebase with a mandatory 80% coverage floor, preventing regressions and technical debt.

Key Features

01Integrates coverage verification via CLI tools

02Automates mocking for services like Supabase, Redis, and OpenAI

030 GitHub stars

04Enforces strict Red-Green-Refactor TDD cycles

05Standardizes Unit, Integration, and Playwright E2E patterns

06Maintains a minimum 80% code coverage threshold

Use Cases

01Fixing complex bugs while preventing future regressions

02Refactoring legacy code with a comprehensive safety net

03Building new features using a test-first methodology

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add flatrick/mdt tdd-workflow

For use in Claude.ai and ChatGPT