Visual Regression Testing — screenshot comparison before and after changes. Use when user wants to check for visual regressions, compare UI changes, or verify CSS/layout changes didn't break anything.
$npx -y skills add houseofmvps/ultraship --skill visual-diffInstalls into the current project.
Run `npx skills use "https://github.com/houseofmvps/ultraship" --skill "houseofmvps/ultraship/visual-diff"` 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/houseofmvps/ultraship" that are relevant to the current task. Run `npx skills add "https://github.com/houseofmvps/ultraship"` and select the relevant skills, then follow their instructions.