Add shopify-ai-toolkit plugin

.claude-plugin/marketplace.json

@@ -1317,6 +1317,19 @@
       },
       "homepage": "https://shopify.dev/docs/apps/build/devmcp"
     },
+    {
+      "name": "shopify-ai-toolkit",
+      "description": "Shopify's AI Toolkit provides 18 development skills for building on the Shopify platform, covering documentation search, API schema access, GraphQL and Liquid code validation, Hydrogen storefronts, Polaris UI extensions, store management via CLI, and onboarding guidance for both developers and merchants.",
+      "author": {
+        "name": "Shopify"
+      },
+      "category": "development",
+      "source": {
+        "source": "url",
+        "url": "https://github.com/Shopify/Shopify-AI-Toolkit.git"
+      },
+      "homepage": "https://shopify.dev"
+    },
     {
       "name": "skill-creator",
       "description": "Create new skills, improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, update or optimize an existing skill, run evals to test a skill, or benchmark skill performance with variance analysis.",