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refactor

Generate behavior-preserving refactor plans with characterization tests and verification steps.

Updated Jul 21, 2026
Search Tags:#code quality#planning#testing#software development#maintainability#refactor
One-click install
npx skills add https://github.com/roborew/opencode --skill refactor-roborew
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: refactor
Source: https://github.com/roborew/opencode/tree/main/skills/refactor
Command: npx skills add https://github.com/roborew/opencode --skill refactor-roborew

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill automates the creation of detailed, behavior-preserving refactoring plans, ensuring code quality and maintainability without introducing regressions.

Core Features & Use Cases

  • Plan Generation: Creates structured refactoring plans including goals, risks, and rollback strategies.
  • Safety Nets: Defines characterization tests and verification steps to ensure behavior preservation.
  • Use Case: When a complex module becomes difficult to maintain, use this Skill to generate a safe, step-by-step plan to refactor it, complete with tests to confirm no functionality is broken.

Quick Start

Use the refactor skill to generate a plan for refactoring the user authentication module.

Frequently Asked Questions about refactor

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

FAQPage Schema
How do I create a behavior-preserving refactor plan for a complex module?▼

A behavior-preserving refactor plan defines refactoring slices, characterization tests, and verification steps to improve code maintainability without introducing regressions. It documents goals, risks, and rollback strategies using a strict artifact schema.

What is the best way to address code smells and dependency hotspots during software development?▼

Addressing code smells and dependency hotspots requires generating structured refactoring plans that isolate changes into safe refactoring slices, ensuring maintainability constraints are met while preserving existing software behavior.

When do I need characterization tests for refactoring?▼

You need characterization tests for refactoring when modifying complex modules to ensure behavior preservation. They act as safety nets by explicitly capturing current software functionality before you apply refactoring slices or structural changes.

How do I document rollback strategies and risks for a code refactoring task?▼

Document rollback strategies and risks for a code refactoring task by adhering to a strict artifact schema for plan documentation, ensuring all goals, dependency hotspots, and verification steps are explicitly recorded before execution.

Does this refactoring approach work for modules with high maintainability constraints?▼

Yes, this refactoring approach targets modules with maintainability constraints by defining step-by-step refactoring slices and verification steps, ensuring code quality improvements do not alter existing software behavior or break functionality.

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