Renders three phone frames side by side showing a complete onboarding sequence: splash screen, value prop, and sign-in. Each frame gets a status bar, hero artwork, headline and copy, swipe dots, and a primary CTA button. The skill automatically handles the layout so you get all three screens in a single HTML artifact instead of building them one at a time. Useful when you need to prototype the first-launch experience quickly or show stakeholders the full flow without jumping between files. Triggers on "mobile onboarding", "iOS onboarding", or "phone signup". The output is polished enough for design reviews but still just HTML and CSS.
npx skills add https://github.com/nexu-io/open-design --skill mobile-onboarding