necessity-audit
Installation
SKILL.md
Necessity Audit
3-phase necessity audit with Codex adversarial debate. Identifies over-designed elements in lifecycle specs via 6-dimension YAGNI rubric.
Non-Negotiable Rules
SKILL.md is the normative source. Reference files elaborate but do not override.
| # | Rule | Violation = |
|---|---|---|
| 1 | Phase A classification output must NOT appear in Phase B debate topic | Audit invalid |
| 2 | Phase B must invoke /codex-brainstorm via Skill tool — raw mcp__codex__codex for debate is invalid |
Audit invalid |
| 3 | Phase C report must include non-empty debate.threadId |
Report rejected |
| 4 | Phase C report must include Debate Conclusion referencing specific rounds (not blank / placeholder) |
Report rejected |
| 5 | Output must start with ## Necessity Audit header and end with ✅ Audit Clear OR ⛔ Audit Revise sentinel |
Auto-loop cannot parse |
Trigger
- Keywords: necessity audit, over-design, YAGNI audit, spec necessity, 過度設計, over-engineered