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Start here to clean up the codebase — remove dead code, simplify, and reduce complexity without changing behavior.
Codex または Claude でインストール この Prompt をコピーして Codex、Claude、または他のアシスタントに貼り付けると、Skill ページを確認してインストールできます。
SOC 職業分類に基づく
Guides stable API and interface design. Use when designing APIs, module boundaries, or any public interface. Use when creating REST or GraphQL endpoints, defining type contracts between modules, or establishing boundaries between frontend and backend.
Guides systematic root-cause debugging. Use when tests fail, builds break, behavior doesn't match expectations, or you encounter any unexpected error. Use when you need a systematic approach to finding and fixing the root cause rather than guessing.
Start here to ship built-and-tested code to its target safely — release steps, rollout, smoke checks, and rollback.
Start here to settle how a non-trivial change will be built — interfaces, contracts, file-level structure, and trade-offs.
Records decisions and documentation. Use when making architectural decisions, changing public APIs, shipping features, or when you need to record context that future engineers and agents will need to understand the codebase.
Start here to document what shipped — READMEs, API docs, ADRs, and usage — once a feature lands or an interface changes.
| name | maintenance |
| description | Start here to clean up the codebase — remove dead code, simplify, and reduce complexity without changing behavior. |
| context | fork |
| agent | maintainer |
Make the code smaller. Remove dead code, cut duplication and needless indirection, and simplify — without changing behavior.
Prefer deletion over rewriting. Make the smallest diff. If a cut alters behavior, it's out of scope — revert it.
Behavior must not change. Prove it with the verify command before and after. Report net lines removed and one line per file changed.
