refactor

Refactor Go codebases with targeted renaming, function extraction, and deduplication.

Updated Oct 23, 2025
One-click install
npx skills add https://github.com/kis9a/claude-skills-demo --skill refactor-kis9a
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: refactor
Source: https://github.com/kis9a/claude-skills-demo/tree/main/.claude/skills/refactor
Command: npx skills add https://github.com/kis9a/claude-skills-demo --skill refactor-kis9a

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill improves code readability, organization, and maintainability without changing external behavior, with test suites kept green.

Core Features & Use Cases

  • Naming improvements: clearer identifiers
  • Function decomposition: smaller, focused units
  • DRY improvements: eliminate duplication
  • Documentation-friendly: maintain tests and formatting
  • Validation: run full test suite after changes

Quick Start

Identify a target file; run refactor to apply non-functional improvements and re-run tests.

Frequently Asked Questions about refactor

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

FAQPage Schema
How do I improve code readability and maintainability in my Go project?

Refactoring improves code readability and maintainability through targeted renaming, function extraction, deduplication, and better error handling while preserving functionality. Apply changes stepwise, verify with tests after each change, and commit with conventional messages to keep your codebase organized.

Can I refactor Go code without breaking existing tests?

Yes. Refactoring applies non-functional improvements while keeping test suites green. Each change is verified by running go test ./... to ensure functional parity, with formatting checked via go fmt ./... and code quality validated with go vet ./...

What refactoring techniques help eliminate code duplication?

DRY improvements eliminate duplication by consolidating repeated logic into reusable functions and shared components. Refactoring identifies duplicated patterns, extracts them into focused functions, and ensures the test suite validates that behavior remains identical.

When should I refactor naming conventions in my codebase?

Naming improvements clarify identifiers and intent, making code easier to understand and maintain. Refactor variable, function, and type names when they obscure purpose or violate Go conventions, then verify changes don't break tests or alter external behavior.

Does refactoring work on projects without existing tests?

Refactoring is designed for Go projects with existing tests. A working test suite ensures functional parity is preserved during changes and allows verification that improvements don't introduce bugs or alter behavior.