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Tanstack Db

Checked
oakoss·vlatest·frontend

Tanstack DB provides a performant, serverless SQL database solution for React apps, simplifying data management and boosting application speed.

Repository

Install on your platform

Showing Claude Code. One command installs this skill into any of the agents below.

  1. 1

    Run this in your project

    terminal
    $ npx skills add oakoss/agent-skills --skill tanstack-db -a claude-code

  2. Uses the open-source skills CLI and needs Node.js. Add -g to install it for your user instead of this project.

What we know about this skill

Publisher

oakoss

Taken from the source listing. We haven't verified who controls this account.

Install target

Live repository

Not pinned. Installing fetches whatever the repository holds at the time you run the command.

No human has reviewed this code. The checks below are a static scan of the files at one commit — nobody has run this skill or judged whether it works. A skill runs with whatever access you give your agent, so read the source before you install it.

Automated safety checks

scanned

This skill passed all 6 checks. We read its files at one commit and looked for the things that make a skill dangerous to run — not for whether it works.

  • Declares what it does: passed

    SKILL.md parses and declares a name and a description.

    SKILL.md exists, its frontmatter parses, and it declares a name and a description.

  • No undeclared network calls: passed

    Makes no network calls.

    Every host the skill dials — from its scripts, its config endpoints or the commands it tells the agent to run — is either well-known package and API infrastructure or declared in its own frontmatter. Links in documentation are not counted.

  • No obfuscated payloads: passed

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  • No credential access: passed

    Reads no keys, tokens, keychains or credential files.

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  • No pipe-to-shell installers: passed

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  • Pinned to a commit: passed

    Scanned oakoss/agent-skills at 85e3a3919d.

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Commit
85e3a3919d
Manifest
skills/tanstack-db/SKILL.md
Scanned
8 files, 1,863 lines
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About this skill

What it does

TanStack DB is a client-side, reactive store built on differential dataflow that extends TanStack Query. It provides collections, live queries, and optimistic mutations for managing local data in React applications. It normalizes data into typed collections, enabling fast cross-collection queries (sub-millisecond) and instant optimistic updates with automatic rollback if those updates fail.

When to use it

  • When building reactive user interfaces that require local-first data management.
  • For performing complex cross-collection joins with live, updating results.
  • To implement optimistic mutations with automatic synchronization.
  • If you need real-time data synchronization using ElectricSQL or similar backends.
  • When your application's data complexity outgrows the per-query caching capabilities of TanStack Query alone.

Key capabilities

  • Collection Creation: Define typed sets of objects with a unique getKey identifier.
  • Live Queries: Automatically update when underlying data changes using useLiveQuery.
  • Filtering: Supports various filter operators like eq, gt, lt, like, and, or, and not.
  • Field Selection: Project specific fields from collections.
  • Ordering: Sort results in ascending or descending order.
  • Joins: Perform cross-collection joins with type safety.
  • Grouping & Aggregation: Group data and perform aggregations (count, sum, avg, min, max).
  • Optimistic Mutations: Insert, update, and delete records optimistically with automatic synchronization using onInsert, onUpdate, and onDelete handlers.
  • Real-time Sync: Synchronize data in real-time via ElectricSQL.
  • Sync Modes: Choose from Eager (full load), On-demand (predicate pushdown), or Progressive loading strategies.

Example prompts

Here are some examples of how you might interact with an AI agent using the TanStack DB skill:

  • "Create a collection for 'products' with getKey based on product ID."
  • "Show me a live query that fetches all active users ordered by their registration date."
  • "How do I perform an optimistic update to increase the quantity of a specific item in my cart?"

Tips & gotchas

  • Beta Status: TanStack DB is currently in beta, and APIs may change between releases.
  • getKey Requirement: Always provide a getKey function when creating collections to uniquely identify items.
  • Not for Simple Data: TanStack Query alone is sufficient for simple fetch-and-display scenarios.