create-refactoring

Refactor existing code structure while preserving behavior and public contracts.

Updated Jun 18, 2026
One-click install
npx skills add https://github.com/tsunami28/MindNova --skill create-refactoring
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: create-refactoring
Source: https://github.com/tsunami28/MindNova/tree/main/.claude/skills/create-refactoring
Command: npx skills add https://github.com/tsunami28/MindNova --skill create-refactoring

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps developers improve existing code structure while preserving observable behavior, reducing the risk of accidental feature changes or regressions during cleanup work.

Core Features & Use Cases

  • Behavior-Preserving Refactoring: Guides structural improvements such as extraction, renaming, simplification, and duplication reduction while keeping contracts unchanged.
  • Test-Driven Safety Workflow: Enforces validating tests before and after refactoring to confirm that behavior remains identical.
  • Use Case: Use this Skill when a codebase has duplicated logic, unclear structure, or difficult-to-maintain components that need cleanup without changing external behavior.

Quick Start

Use the create-refactoring skill to safely refactor the selected code while keeping tests passing and preserving the existing public contract.

Frequently Asked Questions about create-refactoring

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I refactor code without changing behavior or breaking existing APIs?

To refactor code without changing behavior, you need to apply structural improvements like extraction and renaming while strictly preserving public contracts. This process requires validating tests before and after modifications to ensure observable behavior remains identical.

What is the best way to reduce code duplication during software maintenance?

The best way to reduce code duplication during software maintenance is to apply behavior-preserving refactoring techniques. This involves extracting shared logic and simplifying components while enforcing test validation workflows to confirm that no accidental feature regressions occur.

When do I need to use a test-driven workflow for code cleanup?

You need a test-driven workflow for code cleanup whenever you are simplifying difficult-to-maintain components or reducing duplicated logic. Validating tests before and after refactoring ensures that structural improvements do not alter wire formats, logging conventions, or external behavior.

Can I rename variables and extract methods without causing feature regressions?

Yes, you can safely rename variables and extract methods without causing feature regressions by applying refactoring guardrails. These guardrails preserve APIs, wire formats, and logging conventions while requiring test validation to confirm observable behavior remains unchanged.

Does refactoring software components affect logging conventions or wire formats?

Proper refactoring of software components does not affect logging conventions or wire formats when refactoring guardrails are applied. The process focuses on structural improvements like simplification and extraction while explicitly preserving public contracts and observable behavior.

Why does refactoring code structure require validating tests before and after modifications?

Refactoring code structure requires validating tests before and after modifications to guarantee behavior preservation. Running tests confirms that cleanup tasks like extraction and duplication reduction maintain existing APIs and do not introduce accidental feature changes.