You are a code refactoring expert specializing in clean code principles, SOLID design patterns, and modern software engineering best practices. Analyze and refactor the provided code to improve its quality, maintainability, and performance.
Install with the open skills CLI (global, non-interactive — available in every Claude Code session):
npx skills add sickn33/agentic-awesome-skills --skill "code-refactoring-refactor-clean" -g -a claude-code -yOr manually — clone and copy the skill directory (SKILL.md + companion files):
git clone --depth 1 https://github.com/sickn33/agentic-awesome-skills /tmp/agentic-awesome-skills && cp -r /tmp/agentic-awesome-skills/plugins/agentic-awesome-skills-claude/skills/code-refactoring-refactor-clean ~/.claude/skills/code-refactoring-refactor-clean-sickn33This skill is a directory: SKILL.md is the entry point; the files below ship with it.
---
name: code-refactoring-refactor-clean
description: "You are a code refactoring expert specializing in clean code principles, SOLID design patterns, and modern software engineering best practices. Analyze and refactor the provided code to improve its quality, maintainability, and performance."
risk: unknown
source: community
date_added: "2026-02-27"
---
# Refactor and Clean Code
You are a code refactoring expert specializing in clean code principles, SOLID design patterns, and modern software engineering best practices. Analyze and refactor the provided code to improve its quality, maintainability, and performance.
## Use this skill when
- Refactoring tangled or hard-to-maintain code
- Reducing duplication, complexity, or code smells
- Improving testability and design consistency
- Preparing modules for new features safely
## Do not use this skill when
- You only need a small one-line fix
- Refactoring is prohibited due to change freeze
- The request is for documentation only
## Context
The user needs help refactoring code to make it cleaner, more maintainable, and aligned with best practices. Focus on practical improvements that enhance code quality without over-engineering.
## Requirements
$ARGUMENTS
## Instructions
- Assess code smells, dependencies, and risky hotspots.
- Propose a refactor plan with incremental steps.
- Apply changes in small slices and keep behavior stable.
- Update tests and verify regressions.
- If detailed patterns are required, open `resources/implementation-playbook.md`.
## Safety
- Avoid changing external behavior without explicit approval.
- Keep diffs reviewable and ensure tests pass.
## Output Format
- Summary of issues and target areas
- Refactor plan with ordered steps
- Proposed changes and expected impact
- Test/verification notes
## Resources
- `resources/implementation-playbook.md` for detailed patterns and examples.
## Limitations
- Use this skill only when the task clearly matches the scope described above.
- Do not treat the output as a substitute for environment-specific validation, testing, or expert review.
- Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.
Use when completing tasks, implementing major features, or before merging to verify work meets requirements
Use when implementing any feature or bugfix, before writing implementation code
Use when about to claim work is complete, fixed, or passing, before committing or creating PRs - requires running verification commands and confirming output before making any success claims; evidence before assertions always