Use when asked to simplify recently changed code without changing behavior or explicitly asked to run the code-simplifier subagent.
Install
npx skills add troykelly/codex-skills --skill code-simplifiernpx skills add troykelly/codex-skills --skill code-simplifier -a claude-code -gnpx skills add troykelly/codex-skills --skill code-simplifier -a codex -ggemini skills install https://github.com/troykelly/codex-skills.git --path skills/code-simplifiergh skill install troykelly/codex-skills code-simplifiergit clone --depth 1 https://github.com/troykelly/codex-skills /tmp/troykelly__codex-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/troykelly__codex-skills/skills/code-simplifier ~/.claude/skills/code-simplifier # Claude Code
cp -R /tmp/troykelly__codex-skills/skills/code-simplifier ~/.agents/skills/code-simplifier # Codex, Cursor, Gemini CLI, Copilot, OpenCode