Safe Code Refactoring FAQs

Question 1

What happens if a refactor introduces a bug?

Accepted Answer

The skill includes an automated 'Stop' hook that runs your full test suite and linter. If any test fails or new errors are introduced, the completion is blocked until the issue is resolved.

Question 2

Does this skill change how my code functions?

Accepted Answer

No, the core principle of this skill is behavior preservation. It is designed to improve code structure, readability, and maintainability without changing its external behavior.

Question 3

Can I use this on code that doesn't have existing tests?

Accepted Answer

Yes. The skill includes a specific phase for writing 'characterization tests' which capture the current behavior of the code before any changes are made, providing a safety net for the refactor.

Question 4

How does it handle large-scale changes across multiple files?

Accepted Answer

It uses a strict sequential task dependency chain to map callers and dependencies across the entire project, ensuring that every file affected by the refactor is updated and verified.

Question 5

Does it support different programming languages?

Accepted Answer

Yes, as long as your project has test runners and linters that Claude can execute via the terminal, the skill can adapt to any language's ecosystem.

Safe Code Refactoring

Key Features

Use Cases

Safe Code Refactoring

Key Features

Use Cases