Write and debug Tampermonkey userscripts for browser automation, page modification, and web enhancement. Use whenever the user mentions userscripts, Tampermonkey, Greasemonkey, Violentmonkey, or wants to write a script that runs on a website - even if they…
React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing, reviewing, or refactoring React/Next.js code to ensure optimal performance patterns. Triggers on tasks involving React components, Next.js…
Guide for implementing smooth, native-feeling animations using React's View Transition API (`<ViewTransition>` component, `addTransitionType`, and CSS view transition pseudo-elements). Use this skill whenever the user wants to add page transitions, animate…