# Shopify Apps

> Expert patterns for Shopify app development including Remix/React Router apps, embedded apps with App Bridge, webhook handling, GraphQL Admin API, Polaris components, billing, and app extensions. Use when: shopify app, shopify, embedded app, polaris, app bridge.

- Skill: `odjaramillo/shopify-apps` (Agent Skill)
- Install (CLI): `npx skillmds@latest add odjaramillo/shopify-apps`
- Raw SKILL.md: https://api.skillmd.com/api/skills/odjaramillo/shopify-apps/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Web & Frontend
- Author: odjaramillo (https://skillmd.com/u/odjaramillo)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/odjaramillo/shopify-apps

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# Shopify Apps

## Patterns

### React Router App Setup

Modern Shopify app template with React Router

### Embedded App with App Bridge

Render app embedded in Shopify Admin

### Webhook Handling

Secure webhook processing with HMAC verification

## Anti-Patterns

### ❌ REST API for New Apps

### ❌ Webhook Processing Before Response

### ❌ Polling Instead of Webhooks

## ⚠️ Sharp Edges

| Issue | Severity | Solution                                       |
| ----- | -------- | ---------------------------------------------- |
| Issue | high     | ## Respond immediately, process asynchronously |
| Issue | high     | ## Check rate limit headers                    |
| Issue | high     | ## Request protected customer data access      |
| Issue | medium   | ## Use TOML only (recommended)                 |
| Issue | medium   | ## Handle both URL formats                     |
| Issue | high     | ## Use GraphQL for all new code                |
| Issue | high     | ## Use latest App Bridge via script tag        |
| Issue | high     | ## Implement all GDPR handlers                 |