# Olore Tanstack Query 4

> Local TanStack Query documentation reference (v4). Use for server state management, data fetching, caching, queries, mutations, and React/Vue/Solid/Angular query integration. Use when this capability is needed.

- Skill: `tomevault-io/olore-tanstack-query-4` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add tomevault-io/olore-tanstack-query-4`
- Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/olore-tanstack-query-4/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Web & Frontend
- Author: tomevault-io (https://skillmd.com/u/tomevault-io)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/tomevault-io/olore-tanstack-query-4

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# TanStack Query v4 Documentation

TanStack Query (formerly React Query) is a powerful library for server state management. This documentation covers v4 features including data fetching, caching, synchronization, queries, mutations, and framework integrations for React, Vue, Svelte, and Solid.

## Quick Reference

| Task | Entry Point |
|------|-------------|
| Getting started with React | `contents/framework/react/quick-start.md` |
| Getting started with Vue | `contents/framework/vue/quick-start.md` |
| Core concepts (queries) | `contents/framework/react/guides/queries.md` |
| Mutations | `contents/framework/react/guides/mutations.md` |
| Caching strategies | `contents/framework/react/guides/caching.md` |
| TypeScript usage | `contents/framework/react/typescript.md` |
| API reference (React) | `contents/framework/react/reference/` |
| Core classes | `contents/reference/QueryClient.md` |
| Migration to v4 | `contents/framework/react/guides/migrating-to-react-query-4.md` |

## When to use

Use this skill when the user asks about:
- TanStack Query v4, React Query v4, Vue Query v4
- 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, Svelte, Solid)
- Query devtools and debugging
- Persistence plugins and cache persistence
- ESLint rules for TanStack Query

## How to find information

1. **First**, read `TOC.md` for complete file listing organized by directory
2. Identify the framework (React, Vue, 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
   - `eslint/` - ESLint plugin rules
4. Read specific files for details

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

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<!-- tomevault:4.0:skill_md:2026-04-11 -->