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Cobalt-Money
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rocicorp-zero

Implement query-driven synchronization with Rocicorp Zero and Postgres.

7|Updated Mar 15, 2026
Search Tags:#typescript#real-time#sync#postgres#local-first#zero#zql
One-click install
npx skills add https://github.com/Cobalt-Money/Cobalt --skill rocicorp-zero
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: rocicorp-zero
Source: https://github.com/Cobalt-Money/Cobalt/tree/main/.agents/skills/rocicorp-zero
Command: npx skills add https://github.com/Cobalt-Money/Cobalt --skill rocicorp-zero

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill addresses the complexity of implementing local-first, real-time synchronization in TypeScript applications, ensuring your UI remains responsive while maintaining a consistent state with a Postgres backend.

Core Features & Use Cases

  • Query-Driven Sync: Manage complex data subscriptions using ZQL to keep local stores in sync with Postgres.
  • Optimistic Mutators: Implement robust write handlers that provide instant UI feedback while ensuring transactional integrity on the server.
  • Use Case: Use this Skill to architect a collaborative financial dashboard where multiple users see real-time updates to account balances and transaction tags without manual page refreshes.

Quick Start

Use the rocicorp-zero skill to generate a ZQL query definition that filters transactions by user ID and sorts them by date.

Frequently Asked Questions about rocicorp-zero

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I implement real-time sync from Postgres to a TypeScript local-first app?▼

You can implement real-time sync using Rocicorp Zero by defining ZQL queries that manage data subscriptions, keeping your local stores continuously synchronized with the Postgres backend without manual refreshes.

How do I set up optimistic mutations for instant UI updates in a local-first application?▼

You can implement optimistic mutators to provide instant UI feedback during writes, while the underlying system ensures transactional integrity and data consistency is maintained on the Postgres server.

What is query-driven synchronization and when should I use it?▼

Query-driven synchronization uses ZQL queries to manage complex data subscriptions, ensuring your UI remains responsive while automatically maintaining a consistent state with your Postgres database in real-time.

Can I use Zero to build a collaborative real-time dashboard with TypeScript?▼

Yes, you can architect collaborative TypeScript applications like financial dashboards where multiple users see real-time updates to data such as account balances and transaction tags without manual page refreshes.

How do I manage server-side authorization and schema for local-first data?▼

This system facilitates local-first application development by allowing you to define server-side authorization logic and manage schema requirements, ensuring secure and consistent real-time data synchronization.

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