TanStack Query Documentation

TanStack Query (formerly React Query) is a powerful library for server state management. This documentation covers data fetching, caching, synchronization, queries, mutations, and framework integrations for React, Vue, Angular, Svelte, and Solid.

Quick Reference

When to use

Use this skill when the user asks about:

• •TanStack Query, React Query, Vue Query, Angular Query
• •Server state management and data fetching
• •Queries, mutations, and query invalidation
• •Caching, background refetching, and cache updates
• •Infinite scroll and paginated queries
• •Optimistic updates and error handling
• •SSR (Server-Side Rendering) with queries
• •TypeScript types for queries and mutations
• •Framework integration (React, Vue, Angular, Svelte, Solid)
• •Query devtools and debugging

How to find information

1. •First, read TOC.md for complete file listing organized by directory
2. •Identify the framework (React, Vue, Angular, Svelte, Solid) or core concept
3. •Navigate to the appropriate section:
   • •framework/{framework}/guides/ - Core concepts and patterns
   • •framework/{framework}/reference/ - API reference
   • •reference/ - Core framework-agnostic classes
4. •Read specific files for details

TOC.md contains all files organized by directory - always check it first.

Documentation Structure

• •framework/react/ - React Query docs (most comprehensive)
• •framework/vue/ - Vue Query docs (many guides reference React)
• •framework/angular/ - Angular Query docs
• •framework/svelte/ - Svelte Query docs
• •framework/solid/ - Solid Query docs
• •reference/ - Core QueryClient and cache classes
• •eslint/ - ESLint plugin rules