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Development & Testing
Test-Driven Development
by Addy Osmani 78k GitHub stars
Red-Green-Refactor workflow with test-pyramid discipline for building features test-first.
#tdd#testing#workflow#quality
Claude Code Codex
Overview
This skill enforces a disciplined Red-Green-Refactor TDD loop with sensible test-pyramid balance, from Addy Osmani's production-grade agent-skills set. Use it to drive implementation with failing tests first and keep the suite meaningful.
What it is good for
- Building a feature test-first
- Structuring unit/integration/E2E balance
- Refactoring safely under test
- Establishing TDD habits for an agent
Install
Install in Claude Code
# Add the marketplace, then install the skill in Claude Code:
/plugin marketplace add addyosmani/agent-skills
/plugin install test-driven-development
# Or install manually into ~/.claude/skills:
git clone https://github.com/addyosmani/agent-skills.git
cp -r agent-skills/test-driven-development ~/.claude/skills/test-driven-developmentExplore AI Tools
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