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pub-sub

Implement and manage publish-subscribe messaging systems with topics and subscriptions.

Updated Jun 5, 2026
Search Tags:#architecture#microservices#event-driven#pub-sub#message broker
One-click install
npx skills add https://github.com/hung-phan/system-skills --skill pub-sub
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: pub-sub
Source: https://github.com/hung-phan/system-skills/tree/main/skills/system-review/references/communication/pub-sub
Command: npx skills add https://github.com/hung-phan/system-skills --skill pub-sub

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill addresses the complexity and challenges of implementing publish-subscribe messaging systems, enabling efficient and scalable event-driven architecture in software applications.

Core Features & Use Cases

  • Implementing Pub/Sub: Guides the setup and configuration of publish-subscribe messaging systems.
  • Topic and Subscription Management: Offers tools and strategies for managing topics and subscriptions.
  • Use Case: Design a scalable event-driven system for a microservices architecture, where different services need to react to certain events published by others without tight coupling.

Quick Start

Create a pub-sub system to distribute order updates to all subscribed services.

Frequently Asked Questions about pub-sub

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

FAQPage Schema
How do I set up publish-subscribe messaging for a microservices architecture?▼

To set up publish-subscribe messaging for a microservices architecture, you need to configure topics and subscriptions that allow independent services to react to events without tight coupling. This Skill guides the setup and configuration of scalable event-driven systems.

What is the best way to ensure durable subscriptions in an event-driven system?▼

Durable subscriptions in an event-driven system ensure that messages are retained for offline subscribers until they can process them. This Skill focuses on the operational aspects of managing durable subscriptions and ensuring reliable event delivery.

Can I use pub-sub to distribute order updates to multiple subscribed services?▼

Yes, you can use pub-sub to distribute order updates to all subscribed services. This is a primary use case for this Skill, allowing different microservices to react to certain events published by others without tight coupling.

Why does at-least-once delivery matter in a message broker system?▼

At-least-once delivery in a message broker system matters because it guarantees that every published event reaches its subscribers, even if it requires redelivery after a failure. This Skill provides operational guidance on handling this delivery semantic.

How do I handle fault tolerance in a publish-subscribe messaging system?▼

Handling fault tolerance in a publish-subscribe messaging system involves configuring durable subscriptions and at-least-once delivery to prevent message loss during failures. This Skill provides strategies for managing these operational aspects.

Does this approach work for decoupling services in an event-driven architecture?▼

Yes, this approach works for decoupling services in an event-driven architecture by allowing services to communicate through topics and subscriptions rather than direct calls. This enables different services to react to events without tight coupling.

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