Modernize and improve legacy codebases while maintaining functionality. Use when you need to refactor old code, reduce technical debt, modernize deprecated patterns, or improve code maintainability without breaking existing behavior.
Install
npx skills add aj-geddes/useful-ai-prompts --skill refactor-legacy-codenpx skills add aj-geddes/useful-ai-prompts --skill refactor-legacy-code -a claude-code -gnpx skills add aj-geddes/useful-ai-prompts --skill refactor-legacy-code -a codex -ggemini skills install https://github.com/aj-geddes/useful-ai-prompts.git --path skills/refactor-legacy-codegh skill install aj-geddes/useful-ai-prompts refactor-legacy-codegit clone --depth 1 https://github.com/aj-geddes/useful-ai-prompts /tmp/aj-geddes__useful-ai-prompts
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/aj-geddes__useful-ai-prompts/skills/refactor-legacy-code ~/.claude/skills/refactor-legacy-code # Claude Code
cp -R /tmp/aj-geddes__useful-ai-prompts/skills/refactor-legacy-code ~/.agents/skills/refactor-legacy-code # Codex, Cursor, Gemini CLI, Copilot, OpenCode