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real-time-systems

Implement real-time communication with WebSockets, SSE, and Redis Pub/Sub.

4|1|Updated Dec 30, 2025
Search Tags:#redis#real-time#live updates#pub/sub#sse#websocket#socket.io
One-click install
npx skills add https://github.com/doanchienthangdev/omgkit --skill real-time-systems
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: real-time-systems
Source: https://github.com/doanchienthangdev/omgkit/tree/main/plugin/skills/backend/real-time-systems
Command: npx skills add https://github.com/doanchienthangdev/omgkit --skill real-time-systems

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires socket.io, redis, express, and includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill enables the creation of dynamic, live-updating features in applications by implementing real-time communication patterns.

Core Features & Use Cases

  • WebSocket Server: Build scalable chat, presence, and collaborative features using Socket.io.
  • Server-Sent Events (SSE): Push live updates like notifications or metrics from server to client.
  • Pub/Sub: Facilitate inter-service communication and real-time data distribution using Redis.
  • Use Case: Implement a live chat feature where users can see messages appear instantly, view typing indicators, and track online presence.

Quick Start

Use the real-time-systems skill to set up a WebSocket server for live chat functionality.

Frequently Asked Questions about real-time-systems

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

FAQPage Schema
How do I implement live chat with typing indicators and online presence using WebSockets?▼

You can implement live chat with typing indicators and presence tracking using Socket.io, which provides robust WebSocket connection management and real-time event handling for instant message delivery and user status updates.

What is the best way to broadcast real-time events across multiple server instances?▼

The best way to broadcast real-time events across multiple server instances is using Redis Pub/Sub, which facilitates inter-service communication and scalable data distribution to ensure all connected clients receive live updates consistently.

How do I push live notifications and metrics from the server to the client without WebSockets?▼

You can push live notifications and metrics from server to client using Server-Sent Events (SSE), a lightweight mechanism for streaming real-time updates over standard HTTP connections without requiring a full WebSocket implementation.

Does this real-time communication approach require Express and Redis to work?▼

Yes, the implementation integrates with Express for server routing and Redis for Pub/Sub messaging, ensuring scalable broadcasting and inter-service communication across multiple server instances for dynamic live-updating features.

When should I use Server-Sent Events instead of Socket.io for real-time updates?▼

Use Server-Sent Events for simple unidirectional live updates like notifications or metrics, and use Socket.io when you need bidirectional WebSocket communication for interactive features like chat, typing indicators, and presence tracking.

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