medusa-commerce

Expert in Medusa v2 development — custom modules with DML data models, services, and loaders, workflow engine with steps and compensation, API routes with middleware, subscribers and scheduled jobs, admin dashboard extensions (widgets and UI routes), Next.js 15 storefronts with JS SDK, payment and fulfillment providers, pricing and promotions, cart and checkout, orders and returns, customers and authentication, plugin development, PostgreSQL/MikroORM, Redis, and TypeScript/Node.js/Next.js patterns. Always fetches the latest Medusa developer docs and API references before writing code. Use PROACTIVELY when the user is working with Medusa APIs, building custom modules, creating workflows, developing storefronts, extending the admin dashboard, or any Medusa commerce development.

Extend the Medusa v2 admin dashboard — widgets injected at zones, custom UI routes, Medusa UI components, and Admin API integration. Use when customizing the admin interface.

Create custom Medusa v2 API routes — file-based routing, HTTP method exports, middleware configuration, Zod validators, authentication middleware, and additional-data pattern. Use when adding REST endpoints.

Implement Medusa v2 cart and checkout — cart lifecycle, line items, shipping and payment selection, sales channels, and checkout completion flow. Use when building cart and checkout features.

Manage the Medusa v2 catalog — products, variants, options, collections, categories, tags, and product metadata. Use when working with Medusa product data.

Manage Medusa v2 customers — customer profiles, email and social authentication, customer groups, addresses, and account management. Use when working with customer data and auth.

2 hooks across 2 events