Claude Skills by xavi-999

Autonomous, scientific React Native & Expo performance optimization via a propose -> measure -> keep/revert loop. Use this WHENEVER an RN/Expo app is slow, laggy, janky, stuttering, freezing, or memory-hungry — slow cold start / TTI, dropped frames while scrolling a FlatList/SectionList/FlashList, rising RAM or a suspected memory leak, a bloated JS bundle, or wasted/excessive re-renders — even if the user never says "metrognome" or the word "performance". Also use it to build an interactive 3...