Add wix to marketplace

.claude-plugin/marketplace.json

@@ -686,18 +686,15 @@
       "homepage": "https://github.com/semgrep/mcp-marketplace.git"
     },
     {
-      "name": "sanity-plugin",
-      "description": "Sanity content platform integration with MCP server, agent skills, and slash commands. Query and author content, build and optimize GROQ queries, design schemas, and set up Visual Editing.",
+      "name": "wix",
+      "description": "Build, manage, and deploy Wix sites and apps. CLI development skills for dashboard extensions, backend APIs, site widgets, and service plugins with the Wix Design System, plus MCP server for site management.",
       "category": "development",
-      "author": {
-        "name": "Sanity"
-      },
       "source": {
         "source": "url",
-        "url": "https://github.com/sanity-io/agent-toolkit.git",
-        "sha": "4b1fb10bd707a22cf0cdfad5374ffc885f2ffa8d"
+        "url": "https://github.com/wix/skills.git",
+        "sha": "15dda227e34959b1340e33bb9aede7e23a273f42"
       },
-      "homepage": "https://www.sanity.io"
+      "homepage": "https://dev.wix.com/docs/wix-cli/guides/development/about-wix-skills"
     }
   ]
 }