shopify-developer

Complete Shopify development reference covering Liquid templating, Online Store (OS) 2.0 themes, GraphQL APIs, Hydrogen, Functions, and performance optimization (API v2026-01). Use this when working with .liquid files, building or customizing Shopify themes or apps, writing GraphQL queries for Shopify, debugging Liquid errors, creating app extensions, migrating from Scripts to Functions, or building headless storefronts. Triggers: Shopify, Liquid templates, Hydrogen, Storefront API, theme development, Shopify Functions, Polaris. Do NOT use for non-Shopify e-commerce platforms.