Add cockroachdb to marketplace

.claude-plugin/marketplace.json

@@ -1040,14 +1040,14 @@
       "homepage": "https://github.com/intercom/claude-plugin-external"
     },
     {
-      "name": "searchfit-seo",
-      "description": "Free AI-powered SEO toolkit — audit websites, plan content strategy, optimize pages, generate schema markup, cluster keywords, and track AI visibility. Works with any website or codebase.",
+      "name": "cockroachdb",
+      "description": "CockroachDB plugin for Claude Code — explore schemas, write optimized SQL, debug queries, and manage distributed database clusters directly from your AI coding agent.",
       "source": {
         "source": "url",
-        "url": "https://github.com/searchfit/searchfit-seo.git",
-        "sha": "ced1a99a9fadfc10aa573a05829fc1bd357d4e4c"
+        "url": "https://github.com/cockroachdb/claude-plugin.git",
+        "sha": "a54566e03c852567589ef85bb449d1e4de229667"
       },
-      "homepage": "https://searchfit.ai"
+      "homepage": "https://github.com/cockroachdb/claude-plugin"
     }
   ]
 }