What types of code complexity can this skill address?

It targets high cyclomatic complexity by converting deeply nested conditionals into guard clauses and replacing complex switch/if-else logic with polymorphic class structures.

How does the skill ensure refactoring doesn't break code?

The skill follows a strict safety workflow that requires verifying existing test coverage, performing small incremental changes, and executing post-refactoring verification checks.

Can this skill handle large-scale migrations like Python 2 to 3 or Sync to Async?

Yes, it includes specific strategies for assessment, creating compatibility layers, and phased migration to ensure behavior is preserved throughout the transition.

Does it support renaming public APIs safely?

Yes, the renaming workflow includes identifying external dependencies and provides guidance on implementing deprecation periods and maintenance of backward compatibility.

Code Refactoring & Modernization

Name: Code Refactoring & Modernization
Author: eyadsibai

byeyadsibai

開発者ツール

Transforms and optimizes source code through safe restructuring, complexity reduction, and systematic modernization patterns.

概要

This comprehensive skill empowers Claude to perform high-stakes code improvements with a focus on safety and maintainability. It provides structured workflows for renaming identifiers across codebases, extracting methods to improve readability, splitting monolithic classes into focused components, and reducing cyclomatic complexity through advanced patterns like polymorphism and guard clauses. Designed for developers managing technical debt or performing large-scale migrations, the skill ensures every change is validated against test suites and follows industry-standard refactoring principles to maintain system integrity during architectural shifts.

主な機能

Complexity reduction via polymorphism and guard clause extraction
0 GitHub stars
Automated method extraction to improve code reusability and testability
Multi-file identifier renaming with dependency and scope checking
Structural class splitting to resolve God Class anti-patterns
Guided migration workflows for sync-to-async and version upgrades

ユースケース

Reducing technical debt by breaking down complex functions and oversized classes
Safe global renaming of public APIs and internal modules with impact assessment
Modernizing legacy codebases by migrating from synchronous to asynchronous patterns

概要

主な機能

Complexity reduction via polymorphism and guard clause extraction
0 GitHub stars
Automated method extraction to improve code reusability and testability
Multi-file identifier renaming with dependency and scope checking
Structural class splitting to resolve God Class anti-patterns
Guided migration workflows for sync-to-async and version upgrades

ユースケース

Reducing technical debt by breaking down complex functions and oversized classes
Safe global renaming of public APIs and internal modules with impact assessment
Modernizing legacy codebases by migrating from synchronous to asynchronous patterns