skills

Commerce Engine authentication and user management. Anonymous sessions, OTP login, password auth, token refresh, profile management, and account flows.

Commerce Engine cart management, checkout flow, and payment integration. Hosted checkout (recommended) and custom checkout with Cart CRUD, coupons, loyalty points, fulfillment, and payment gateways.

Commerce Engine product catalog - products, variants, SKUs, categories, faceted search, reviews, and recommendations.

Commerce Engine router. Use when the user asks about building a storefront, setting up the SDK, auth, products, cart, checkout, orders, webhooks, SSR, Next.js, or TanStack Start e-commerce patterns.

Commerce Engine order management - create orders, list/detail, shipment tracking, payment status, cancellation, and refunds.

Set up the Commerce Engine TypeScript SDK in any project. Framework detection, public vs session client selection, token storage choices, environment variables, and migration guidance.

SSR/meta-framework patterns for Commerce Engine using @commercengine/storefront. Covers Next.js, TanStack Start, Astro, and SvelteKit with publicStorefront(), clientStorefront(), serverStorefront(), bootstrap, server functions/actions, pre-rendering, and cookie-based token management.

Build custom SSR bindings with @commercengine/ssr-utils for frameworks without a first-party Commerce Engine wrapper (Nuxt and other unsupported frameworks). CookieAdapter, ServerTokenStorage, and public vs session patterns.

Commerce Engine webhook events and syncing. 14 event types for orders, payments, refunds, and shipments. Signature verification and async processing patterns.