# tdd-playbook > Guides strict TDD (red/green/refactor), prioritizing domain unit tests and small steps. - Author: Miodrag Vujkovic - Repository: mikivujkovic/claude-code-ddd-tdd-bdd - Version: 20251205134057 - Stars: 0 - Forks: 0 - Last Updated: 2026-02-07 - Source: https://github.com/mikivujkovic/claude-code-ddd-tdd-bdd - Web: https://mule.run/skillshub/@@mikivujkovic/claude-code-ddd-tdd-bdd~tdd-playbook:20251205134057 --- --- name: tdd-playbook description: Guides strict TDD (red/green/refactor), prioritizing domain unit tests and small steps. allowed-tools: Read, Edit, Grep, Glob --- # 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.