Review WinUI 3 code or changes for quality: MVVM, x:Bind correctness, accessibility, theming, security, performance, and WinUI analyzer findings. Use when asked to review or audit a WinUI app or its pending changes, or before committing. Catches issues the compiler and UI tests miss.
Install
npx skills add microsoft/winappCli --skill winui-code-reviewnpx skills add microsoft/winappCli --skill winui-code-review -a claude-code -gnpx skills add microsoft/winappCli --skill winui-code-review -a codex -ggemini skills install https://github.com/microsoft/winappCli.git --path plugins/winui/agent-plugin/skills/winui-code-reviewgh skill install microsoft/winappCli winui-code-reviewgit clone --depth 1 https://github.com/microsoft/winappCli /tmp/microsoft__winappCli
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/microsoft__winappCli/plugins/winui/agent-plugin/skills/winui-code-review ~/.claude/skills/winui-code-review # Claude Code
cp -R /tmp/microsoft__winappCli/plugins/winui/agent-plugin/skills/winui-code-review ~/.agents/skills/winui-code-review # Codex, Cursor, Gemini CLI, Copilot, OpenCode