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Refactor Skill

Refactor codebases through ordered phases with metric-driven guardrails and test verification.

Updated May 27, 2026
Search Tags:#code quality#refactor#test verification#coupling metrics#duplication analysis#complexity auditing#architecture layers
One-click install
npx skills add https://github.com/ormastes/Spipe --skill refactor-skill-ormastes
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: Refactor Skill
Source: https://github.com/ormastes/Spipe/tree/main/doc/00_llm_process/skill_command/skills/pipe/impl/refactor
Command: npx skills add https://github.com/ormastes/Spipe --skill refactor-skill-ormastes

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps you refactor code without breaking behavior by enforcing file size limits, removing duplication, measuring coupling, analyzing Big-O risks, and verifying tests after every change.

Core Features & Use Cases

  • Structured refactoring phases: Breaks work into clear phases (size/structure, duplication removal, coupling measurement, Big-O analysis, test verification) to reduce refactor regressions.
  • Metric-driven guardrails: Uses targets for CBO, fan-out, SCC cycles, RFC, and cohesion to keep designs maintainable.
  • Duplication and complexity checks: Runs duplication-check workflows (including semantic thresholds) and flags O(n^2)+ patterns for performance-safe refactors.
  • Use Case: When a module becomes hard to maintain and slow to change, follow the phases to split oversized files, extract shared helpers, fix layer violations, address costly loops, and confirm improvements with tests.

Quick Start

Ask an AI to refactor a target code directory by following the Refactor Skill phases and reporting before/after metrics with tests passing after each change.

Frequently Asked Questions about Refactor Skill

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

FAQPage Schema
How do I refactor large codebases without breaking existing behavior?▼

To refactor codebases without breaking behavior, apply ordered improvements to file structure, duplication, and coupling metrics. Enforce strict workflow constraints like 800-line file caps and verify tests after every phase to reduce regression risk.

How do I reduce code duplication and fix layer violations during software maintenance?▼

Reducing code duplication and fixing layer violations involves running semantic duplication checks and measuring coupling metrics like CBO and fan-out. Extract shared helpers and update imports to keep architecture layer boundaries intact while maintaining behavior.

What are the best steps to measure and reduce software coupling and complexity?▼

The best steps to measure and reduce software coupling involve applying metric-driven guardrails targeting CBO, RFC, and SCC cycles. Analyze Big-O hotspots to detect O(n^2)+ patterns and confirm improvements with mandatory test verification after each phase.

Can I use metric targets and file size limits to guide software refactoring?▼

Yes, you can use metric targets and file size limits to guide refactoring by enforcing 800-line file caps and semantic duplication thresholds. This structured approach breaks work into clear phases to split oversized files and ensure maintainable designs.

When should I not use automated algorithmic complexity auditing for refactoring?▼

You should not use automated algorithmic complexity auditing when your regression risk is low and the module is easy to maintain. This structured refactoring approach is designed for ongoing maintenance of existing software where regression risk is high and layer boundaries must remain intact.

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