Refactor

by luongnv89

Refactor is a Quality skill for Claude Code, published by luongnv89 in claude-howto.

41K stars5K forkson luongnv89/claude-howtoAdded 2026/08/13Repository updated 2026/08/06

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claude-codeguidetutorial

Install in seconds

Install Refactor

Copy Refactor into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/luongnv89/claude-howto/tree/main/ja/03-skills/refactor ~/.claude/skills/refactor

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/luongnv89/claude-howto.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: ja/03-skills/refactor/SKILL.md in luongnv89/claude-howto
Installs to: ~/.claude/skills/refactor
Collection: One of 25 skills cataloged from this repository
Category: Quality — 1354 skills

What Refactor does

Refactor provides a systematic approach to code refactoring based on Martin Fowler's methodology. It guides users through research, planning, and safe incremental implementation to improve code structure, reduce technical debt, and eliminate code smells.

Refactor is cataloged under Quality on DirSkills. Refactor comes from a repository tagged claude-code, guide and tutorial.

Documentation

README

Excerpt

name: refactor description: Martin Fowler の方法論に基づく体系的なコードリファクタリング。ユーザーがコードのリファクタリング、コード構造の改善、技術的負債の削減、レガシーコードのクリーンアップ、コードスメルの解消、コード保守性の向上を求めた際に使用する。本スキルは、リサーチ・計画・安全な段階的実装からなる段階的アプローチを案内する。

コードリファクタリングスキル

Martin Fowler 著『Refactoring: Improving the Design of Existing Code』(第 2 版) に基づくコードリファクタリングへの体系的アプローチ。本スキルは、テストに支えられた安全で段階的な変更を重視する。

"Refactoring is the process of changing a software system in such a way that it does not alter the external behavior of the code yet improves its internal structure." — Martin Fowler

中核となる原則

This is the opening of the README. Read the full README on GitHub.

Frequently asked about Refactor

What else does luongnv89 publish alongside Refactor?
Refactor is one of 25 skills that DirSkills catalogs from luongnv89/claude-howto, the repository it ships in. Its siblings there include API Documentation Generator, API Documentation Generator and Blog Draft. Each one is a separate skill with its own page in this directory, installs the same way Refactor does, and is maintained by luongnv89 in that same repository. The rest of the collection is listed on the luongnv89/claude-howto page.
How does Refactor compare to other Quality skills?
Refactor ranks #67 by stars among the 1354 Quality skills in this catalog. The most-starred ones next to it are Benchmark, Benchmark Optimization Loop and API Design Patterns. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of Refactor against them. Open each page to compare what they document and how they install.