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convex-realtime

Demonstrate reactive Convex patterns with subscriptions, optimistic updates, and paginated queries.

Updated Aug 27, 2026
Search Tags:#subscriptions#react#realtime#pagination#convex#optimistic-updates
One-click install
npx skills add https://github.com/debsouryadatta/memo-hack --skill convex-realtime-debsouryadatta
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: convex-realtime
Source: https://github.com/debsouryadatta/memo-hack/tree/main/.agent/skills/convex-realtime
Command: npx skills add https://github.com/debsouryadatta/memo-hack --skill convex-realtime-debsouryadatta

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill provides patterns and examples for building highly reactive applications using Convex's real-time features, ensuring data consistency and efficient updates.

Core Features & Use Cases

  • Real-time Subscriptions: Automatically update UI when data changes.
  • Optimistic Updates: Provide instant feedback to users for a smoother experience.
  • Pagination: Efficiently load and display large datasets with cursor-based methods.
  • Use Case: Develop a chat application where messages appear instantly for all users, or an e-commerce site where product availability updates in real-time without manual refreshes.

Quick Start

Use the convex-realtime skill to implement basic subscriptions by calling the useQuery hook with your Convex API.

Frequently Asked Questions about convex-realtime

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

FAQPage Schema
How do I build a real-time chat application with Convex subscriptions?▼

To build a real-time chat application with Convex subscriptions, use the `useQuery` hook to automatically update the React UI when backend data changes. This ensures instant message synchronization across all connected users without manual refreshes.

What is the best way to implement optimistic updates with Convex in React?▼

Implementing optimistic updates with Convex provides instant UI feedback by temporarily updating client state before the server confirms the mutation. This pattern ensures a smoother user experience during data synchronization in reactive applications.

How does cursor-based pagination work with Convex real-time queries?▼

Cursor-based pagination with Convex real-time queries efficiently loads large datasets by fetching data in chunks using cursors. This method tracks the last item fetched, allowing the UI to render more data dynamically while maintaining subscription performance.

What are common pitfalls when managing Convex subscription cache behavior?▼

Common pitfalls when managing Convex subscription cache behavior include mishandling stale data and failing to clean up active subscriptions. Addressing these ensures scalable, real-time applications maintain efficient data synchronization and consistent UI state.

Can I use Convex for real-time product availability updates on an e-commerce site?▼

Yes, you can use Convex for real-time product availability updates on an e-commerce site. By implementing real-time subscriptions, the UI automatically reflects inventory changes without requiring users to manually refresh the page.

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