This activates when you're working in a Salesforce UI bundle and need to add authentication or search instead of building them from scratch. It wraps the @salesforce/ui-bundle-features CLI to install pre-built, tested implementations for login flows, protected routes, session management, and global search. The workflow is search first (check if it already exists in src/), list available features, preview with describe, then install with conflict handling. The honest take: it's narrow by design, covering only these two features, but if you're in that specific scenario it'll save you from reinventing authentication plumbing or search infrastructure that's already been written and tested.
npx skills add https://github.com/forcedotcom/sf-skills --skill generating-ui-bundle-features