Itsvff
Opus에 근접한 품질을 Sonnet 단가에 — 가성비 AI 운영 모델을 직접 구축한 Claude Code 프로젝트From the repository description
npx -y skills add itsinseong/value-for-fable --skill itsvffAssembled from the repository path, not quoted from the project. Check it against their README if it does not work.