# Af Follow Tdd Cycle

> Follow the TDD Red-Green-Refactor cycle during feature implementation. Use when implementing features test-first, writing failing tests before code, or reviewing code for TDD compliance.

- Skill: `majiayu000/af-follow-tdd-cycle` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds add majiayu000/af-follow-tdd-cycle`
- Raw SKILL.md: https://api.skillmd.com/api/skills/majiayu000/af-follow-tdd-cycle/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: majiayu000 (https://skillmd.com/u/majiayu000)
- Updated: 2026-09-09
- Page: https://skillmd.com/skills/majiayu000/af-follow-tdd-cycle

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# TDD Workflow

## What to read

**Red → Green → Refactor cycle:**
→ [testing-guide.md#tdd-workflow](../../docs/guides/testing-guide.md#tdd-workflow)

**Delivery phase implementation cycle:**
→ [delivery-guide.md#core-workflow](../../docs/guides/delivery-guide.md#core-workflow)

**Test writing timeline (which tests in which phase):**
→ [testing-guide.md#test-writing-timeline](../../docs/guides/testing-guide.md#test-writing-timeline)

**Entry criteria for delivery (what must exist before starting):**
→ [delivery-guide.md#entry-criteria](../../docs/guides/delivery-guide.md#entry-criteria)

**For the full delivery workflow:**
→ [af-deliver-features/SKILL.md](../af-deliver-features/SKILL.md)