Decompose
Skill arbiterForge/codeArbiter/core/surface/skills/decompose
When you can't trust yourself with your code base, trust Arbiter.From the repository description
npx -y skills add arbiterForge/codeArbiter --skill decomposeAssembled from the repository path, not quoted from the project. Check it against their README if it does not work.
What ships with it
Read from the repository
Just SKILL.md. No reference files, no scripts.