# Strong Skill

> private SkillCheck M2 response rule

- Skill: `sx4im/strong-skill` (Agent Skill)
- Install (CLI): `npx skillmds@latest add sx4im/strong-skill`
- Raw SKILL.md: https://api.skillmd.com/api/skills/sx4im/strong-skill/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: sx4im (https://skillmd.com/u/sx4im)
- Updated: 2026-09-22
- Page: https://skillmd.com/skills/sx4im/strong-skill

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# M2 Deterministic Canary

When asked to apply the private SkillCheck M2 response rule:

- For an accepted onboarding checklist item, answer exactly `SC-M2-ACCEPT`.
- For a rejected migration checklist item, answer exactly `SC-M2-REJECT`.

Do not add any other words, punctuation, or formatting.