Mediator

Introduce a central mediator to decouple inter-object communication.

65|15|Updated Mar 8, 2026
One-click install
npx skills add https://github.com/microwind/ai-skills --skill mediator
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: Mediator
Source: https://github.com/microwind/ai-skills/tree/main/design-patterns/mediator-pattern
Command: npx skills add https://github.com/microwind/ai-skills --skill mediator

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) components.

What problem does it solve?

Mediator Pattern reduces the complexity of inter-object communication by centralizing coordination in a single mediator, thereby decoupling colleagues and simplifying maintenance.

Core Features & Use Cases

  • Centralized coordination: a mediator manages interactions among a set of colleagues.
  • Loose coupling: components interact through the mediator rather than directly with each other.
  • Extensibility: new colleagues can be added or removed without modifying existing ones.
  • Use cases include GUI form validation, chat room coordination, and NPC interactions in games.

Quick Start

Instantiate a mediator, register colleagues, and trigger interactions through the mediator.

Frequently Asked Questions about Mediator

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

FAQPage Schema
How do I decouple components that need to interact without direct references?

Decoupling components without direct references is achieved by introducing a central mediator that manages all inter-object communication, allowing colleagues to interact solely through the mediator instead of directly with each other.

How do I coordinate multiple components in a GUI form using a central mediator?

Coordinating GUI form components with a central mediator involves instantiating the mediator, registering the form elements as colleagues, and triggering validation or interaction logic through the mediator to decouple them.

When should I use a mediator pattern for software design?

Use a mediator pattern when multiple collaborating components must interact and direct references create tight coupling, such as in GUI form validation, chat room coordination, or NPC interactions in games.

Can I add new components to a central mediator without modifying existing colleagues?

Yes, you can add or remove new colleagues without modifying existing ones because components interact through the mediator interface, ensuring extensibility and loose coupling across the system.

Does the mediator pattern work for coordinating chat room interactions?

Yes, the mediator pattern works for chat room coordination by routing messages through a concrete mediator, allowing users to communicate without holding direct references to each other.

What are the limitations of using a central mediator for inter-object communication?

A central mediator can become a monolithic dependency bottleneck if it accumulates too much coordination logic, potentially shifting complexity from the colleagues into the mediator itself.