Visual UI debugging — screenshot capture and analysis, responsive layout checking at multiple viewport sizes, CSS validation via DOM state, visual regression detection, before/after state comparison.
$npx -y skills add madappgang/magus --skill debug-uiInstalls into the current project.
Run `npx skills use "https://github.com/madappgang/magus" --skill "madappgang/magus/debug-ui"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/madappgang/magus" that are relevant to the current task. Run `npx skills add "https://github.com/madappgang/magus"` and select the relevant skills, then follow their instructions.