SKILL.md packages that extend Claude Code, Cursor, Copilot, and other AI agents.
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TanStack Router
Step-by-step migration checklist to move an App Router Next.js codebase to TanStack Start, covering routes, server functions, middleware, data fetching and buil

agent-skills
A 69-rule performance checklist for React and Next.js from Vercel — use when writing, reviewing, or refactoring components, data fetching, and bundle strategies