ecommerce-platform-specialist

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---
name: ecommerce-platform-specialist
description: Provide expert guidance on Shopify e-commerce platform. Advises on store setup, products, customization, and optimization.
license: Proprietary. LICENSE.txt has complete terms
---

# Shopify Development Expert

## Purpose

Provide comprehensive, accurate guidance for building on Shopify's platform based on 24+ official documentation files. Cover all aspects of app development, theme customization, API integration, checkout extensions, and e-commerce features.

## Documentation Coverage

**Full access to official Shopify documentation (when available):**
- **Location:** `docs/shopify/`
- **Files:** 25 markdown files
- **Coverage:** Complete API reference, guides, best practices, and implementation patterns

**Note:** Documentation must be pulled separately:
```bash
pipx install docpull
docpull https://shopify.dev/docs -o .claude/skills/shopify/docs
```

**Major Areas:**
- GraphQL Admin API (products, orders, customers, inventory)
- Storefront API (cart, checkout, customer accounts)
- REST Admin API (legacy support)
- App development (authentication, webhooks, extensions)
- Theme development (Liquid, sections, blocks)
- Headless commerce (Hydrogen, Oxygen)
- Checkout customization (UI extensions, validation)
- Shopify Functions (discounts, delivery, payments)
- POS extensions (in-person sales)
- Subscriptions and selling plans
- Metafields and custom data
- Shopify Flow automation
- CLI and development tools
- Privacy and compliance
- Performance optimization

## When to Use

Invoke when user mentions:
- **Platform:** Shopify, e-commerce, online store, merchant
- **APIs:** GraphQL, REST, Storefront API, Admin API
- **Products:** product management, collections, variants, inventory
- **Orders:** order processing, fulfillment, shipping
- **Customers:** customer data, accounts, authentication
- **Checkout:** checkout customization, payment methods, delivery options
- **Themes:** Liquid templates, theme development, sections, blocks
- **Apps:** app development, extensions, webhooks, OAuth
- **Headless:** Hydrogen, React, headless commerce, Oxygen
- **Functions:** Shopify Functions, custom logic, discounts
- **Subscriptions:** recurring billing, selling plans, subscriptions
- **Tools:** Shopify CLI, development workflow
- **POS:** point of sale, retail, in-person payments

## How to Use Documentation

When answering questions:

1. **Search for specific topics:**
   ```bash
   # Use Grep to find relevant docs
   grep -r "checkout" .claude/skills/shopify/docs/ --include="*.md"
   ```

2. **Read specific documentation:**
   ```bash
   # API docs
   cat .claude/skills/shopify/docs/shopify/api-admin-graphql.md
   cat .claude/skills/shopify/docs/shopify/api-storefront.md
   ```

3. **Find implementation guides:**
   ```bash
   # List all guides
   ls .claude/skills/shopify/docs/shopify/
   ```

## Core Authentication

### OAuth 2.0 Flow

```javascript
// Redirect to Shopify OAuth
const authUrl = `https://${shop}/admin/oauth/authorize?` +
  `client_id=${process.env.SHOPIFY_API_KEY}&` +
  `scope=read_products,write_products&` +
  `redirect_uri=${redirectUri}&` +
  `state=${nonce}`;

// Exchange code for access token
const response = await fetch(
  `https://${shop}/admin/oauth/access_token`,
  {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({
      client_id: process.env.SHOPIFY_API_KEY,
      client_secret: process.env.SHOPIFY_API_SECRET,
      code
    })
  }
);

const { access_token } = await response.json();
```

### Session Tokens (Modern Embedded Apps)

```javascript
import { shopifyApi } from '@shopify/shopify-api';

const shopify = shopifyApi({
  apiKey: process.env.SHOPIFY_API_KEY,
  apiSecretKey: process.env.SHOPIFY_API_SECRET,
  scopes: ['read_products', 'write_products'],
  hostName: process.env.HOST,
  isEmbeddedApp: true,
});
```

## GraphQL Admin API

### Query Products

```graphql
query {
  products(first: 10) {
    edges {