skills / topics Frontend & React skills Performance rules, component patterns, and ecosystem knowledge for production-quality React. 6 skills Next.js skills App Router, server components, caching APIs, and Vercel deployment patterns kept current. 5 skills Design & UI skills Taste and frameworks for polished interfaces — from critique to design tokens. 15 skills Mobile skills Expo, React Native, and native platform conventions for real iOS and Android. 6 skills Agent workflow skills How agents should operate — plan, debug, dispatch subagents, and run autonomous loops. 18 skills Database skills Postgres, Supabase, Firebase, Neon, and Convex — correct queries, schemas, and migrations. 12 skills Testing skills TDD loops, Playwright automation, and verification passes — meaningful tests over coverage. 5 skills Marketing skills SEO, copywriting, CRO, and growth — domain expertise carried into every session. 21 skills