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medusa-development

Develop and extend Medusa.js headless e-commerce backends with custom modules and APIs.

44|7|Updated Mar 12, 2026
Search Tags:#api#backend development#nodejs#custom modules#medusa#headless commerce
One-click install
npx skills add https://github.com/finsilabs/awesome-ecommerce-skills --skill medusa-development
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: medusa-development
Source: https://github.com/finsilabs/awesome-ecommerce-skills/tree/main/skills/headless-modern/medusa-development
Command: npx skills add https://github.com/finsilabs/awesome-ecommerce-skills --skill medusa-development

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

This Skill enables developers to build and extend headless e-commerce backends using Medusa.js, allowing for custom business logic, API extensions, and event-driven automation.

Core Features & Use Cases

  • Custom Module Development: Create custom services, models, and modules for unique business requirements.
  • Event-Driven Automation: Implement event subscribers to react to actions like order placement.
  • API Extension: Add custom store and admin API endpoints.
  • Workflow Orchestration: Build complex business processes using Medusa's workflow engine.
  • Use Case: Integrate a custom loyalty points system into your Medusa store, automatically awarding points on order placement and allowing customers to redeem them via a custom API endpoint.

Quick Start

Set up a new Medusa project and create a custom loyalty module with a service and event subscriber.

Frequently Asked Questions about medusa-development

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

FAQPage Schema
How do I create custom modules in a Medusa.js headless commerce backend?▼

To build custom modules in a Medusa.js headless commerce backend, you define custom services and models. This enables you to implement unique business logic and extend core backend functionalities for specific requirements.

How do I add custom API routes to a Medusa.js store?▼

Adding custom API routes to a Medusa.js store involves defining new store and admin API endpoints. This API extension capability allows you to expose custom e-commerce functionalities and integrate external systems with your headless backend.

Do I need PostgreSQL and Redis to build a Medusa.js backend?▼

Yes, you need PostgreSQL and Redis for a typical Medusa.js backend setup. Along with Node.js, these dependencies are required to support custom module creation, service implementation, and workflow orchestration in headless commerce.

How does event-driven automation work in Medusa.js?▼

Event-driven automation in Medusa.js works by implementing event subscribers that react to specific actions like order placement. This allows the backend to automatically trigger custom business logic and workflow orchestration without manual intervention.

What is the best way to orchestrate complex business processes in a headless commerce backend?▼

The best way to orchestrate complex business processes in a headless commerce backend is using Medusa's workflow engine. It allows you to build advanced e-commerce functionalities by coordinating custom services, API routes, and event subscribers effectively.

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