tanstack

Master TanStack Query (React Query) v5 for server state management in React applications. Use when fetching data from APIs, managing server state, caching, handling mutations, streaming AI responses, or integrating with tRPC v11. Triggers on phrases like "react query", "tanstack query", "data fetching", "cache management", "server state", "streamed query", "streaming data", or file patterns like *query*.ts, *Query*.tsx, queryClient.ts.

Build type-safe React applications with TanStack Router. Use when implementing file-based or code-based routing, type-safe navigation, search params validation, data loading, code splitting, or route-level error handling. Triggers on "tanstack router", "file-based routing", "type-safe routing", "search params", "route loader", or file patterns like routes/*.tsx, __root.tsx, routeTree.gen.ts.

Build full-stack React applications with TanStack Start. Use when creating SSR/SSG apps, server functions, API routes, middleware, or deploying to Cloudflare/Vercel/Node. Triggers on "tanstack start", "server functions", "createServerFn", "full-stack react", "SSR framework", or file patterns like vite.config.ts with tanstackStart, src/server.ts, *.server.ts.