TanStack Query v3 Documentation
TanStack Query (formerly React Query) v3 documentation for server state management, data fetching, caching, queries, mutations, and React integration.
Documentation Structure
code
contents/framework/react/ ├── guides/ # Core concepts and how-to guides (29 files) ├── reference/ # API reference for hooks and classes (19 files) ├── plugins/ # Plugin documentation (4 files) └── [root] # Setup, overview, and getting started (7 files)
Topic Guide
| Topic | Key Files |
|---|---|
| Getting Started | contents/framework/react/installation.md, contents/framework/react/quick-start.md, contents/framework/react/overview.md |
| Queries (Fetching) | contents/framework/react/guides/queries.md, contents/framework/react/guides/query-keys.md, contents/framework/react/guides/query-functions.md |
| Mutations (Updates) | contents/framework/react/guides/mutations.md, contents/framework/react/reference/useMutation.md |
| Caching & Invalidation | contents/framework/react/guides/caching.md, contents/framework/react/guides/query-invalidation.md, contents/framework/react/guides/important-defaults.md |
| Optimistic Updates | contents/framework/react/guides/optimistic-updates.md, contents/framework/react/guides/updates-from-mutation-responses.md |
| Pagination | contents/framework/react/guides/paginated-queries.md, contents/framework/react/guides/infinite-queries.md |
| SSR & Suspense | contents/framework/react/guides/ssr.md, contents/framework/react/guides/suspense.md, contents/framework/react/reference/hydration.md |
| API Reference | contents/framework/react/reference/useQuery.md, contents/framework/react/reference/QueryClient.md |
| TypeScript | contents/framework/react/typescript.md |
| Testing | contents/framework/react/guides/testing.md |
| Migration | contents/framework/react/guides/migrating-to-react-query-3.md |
When to use
Use this skill when the user asks about:
- •TanStack Query v3 / React Query v3
- •Server state management and data fetching
- •Queries, mutations, and cache management
- •Query invalidation and refetching
- •Optimistic updates
- •Infinite scrolling and pagination
- •SSR, hydration, and Suspense with React Query
- •React Query hooks (useQuery, useMutation, etc.)
- •QueryClient and cache configuration
- •TypeScript with React Query v3
How to find information
- •Use Topic Guide above to identify relevant files
- •Read
TOC.mdfor complete file listing by directory - •Read specific files from
contents/framework/react/{path}