# Tdd Playbook

> Guides strict TDD (red/green/refactor), prioritizing domain unit tests and small steps.

- Skill: `mikivujkovic/tdd-playbook` (Agent Skill)
- Install (CLI): `npx skillmds@latest add mikivujkovic/tdd-playbook`
- Raw SKILL.md: https://api.skillmd.com/api/skills/mikivujkovic/tdd-playbook/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: mikivujkovic (https://skillmd.com/u/mikivujkovic)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/mikivujkovic/tdd-playbook

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# TDD Playbook (training)
- One failing test at a time.
- Minimal code to pass.
- Refactor only with green tests.
- Prefer domain tests over UI tests.
If stuck: restate smallest invariant and propose the next tiny test.