Shopify Toolkit

Shopify development reference covering Liquid templates, Admin and Storefront APIs, theme architecture (OS 2.0), app development with OAuth, checkout extensibility, and performance optimization. No API keys or credentials required — outputs reference documentation only.

When to Use

• - Building or customizing a Shopify theme with Liquid templates
• Working with Shopify Admin or Storefront GraphQL APIs
• Setting up OAuth flow for a Shopify app
• Optimizing storefront Core Web Vitals (LCP, CLS, INP)
• Migrating from Theme 1.0 to OS 2.0 or Checkout Extensibility
• Looking up Liquid filters, tags, or CLI commands

Commands

Command	Description
INLINECODE0	Platform architecture — Liquid, APIs, Functions, Hydrogen, CLI
INLINECODE1

Theme file structure, section schema, OAuth scopes, metafields | | troubleshooting | Liquid errors, API rate limits (40 req/s), webhook failures, checkout issues | | performance | Liquid optimization, image srcset, JS/CSS auditing, Core Web Vitals | | security | HMAC webhook validation, session tokens, OAuth flow, CSP | | migration | Theme 1.0→2.0, checkout.liquid→Checkout Extensibility, platform migration | | cheatsheet | Shopify CLI commands, GraphQL queries, Liquid filters/tags, webhook events | | faq | Payments, multi-currency, Hydrogen vs Online Store, app count, Plus pricing |

Usage

CODEBLOCK0

Output Format

All commands output plain-text reference documentation via heredoc. No external API calls, no credentials needed, no network access.

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