Is it compatible with Next.js?

Yes, the examples provided use React 'use client' hooks compatible with Next.js and standard Supabase client libraries.

Does this skill handle Row Level Security (RLS)?

Yes, it includes specific patterns and SQL commands to ensure your Realtime subscriptions respect your application's security policies.

Does it support database changes like INSERT or DELETE?

Yes, it covers subscribing to specific table events (INSERT, UPDATE, DELETE) or all changes within a Postgres schema.

Can I use this for presence tracking?

Absolutely. It provides implementation details for tracking when users join or leave a channel to show 'online' status or activity.

Supabase Realtime Specialist

Name: Supabase Realtime Specialist
Author: antoineschaller

byantoineschaller

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Database Management

Implements live data synchronization, presence tracking, and real-time notifications using Supabase Realtime.

About

This skill empowers developers to build interactive, live features by leveraging the Supabase Realtime engine. It provides standardized patterns for subscribing to database changes, tracking user presence, and broadcasting custom messages without the need for manual polling. Whether you are building a collaborative editor, a live activity feed, or instant notification systems, this specialist ensures your implementation follows best practices for security via Row Level Security (RLS), performance, and clean client-side state management.

Key Features

Support for low-latency broadcast messages for custom application events
Automated setup for Postgres database change subscriptions (INSERT, UPDATE, DELETE)
Implementation of user presence tracking to monitor online/offline status
1 GitHub stars
Security-focused guidance for integrating Row Level Security with Realtime
Pre-configured patterns for collaborative editing and live cursor synchronization

Use Cases

Building collaborative applications like shared whiteboards or multi-user document editors
Creating live dashboards that update automatically as the underlying data changes
Implementing instant notification systems for user alerts and activity feeds

About

Key Features

Support for low-latency broadcast messages for custom application events
Automated setup for Postgres database change subscriptions (INSERT, UPDATE, DELETE)
Implementation of user presence tracking to monitor online/offline status
1 GitHub stars
Security-focused guidance for integrating Row Level Security with Realtime
Pre-configured patterns for collaborative editing and live cursor synchronization

Use Cases

Building collaborative applications like shared whiteboards or multi-user document editors
Creating live dashboards that update automatically as the underlying data changes
Implementing instant notification systems for user alerts and activity feeds