Add runtimeArguments and environmentVariables to server.json

Surfaces the npx -y wrapper and the GSC/Matomo/GA4/Clarity/Ghost
env vars in the MCP Registry so clients can pre-fill config.

Author: ratamaha-git

server.json

@@ -17,7 +17,27 @@
       "version": "0.4.0",
       "transport": {
         "type": "stdio"
-      }
+      },
+      "runtimeHint": "npx",
+      "runtimeArguments": [
+        { "type": "positional", "value": "-y" }
+      ],
+      "environmentVariables": [
+        { "name": "GSC_SERVICE_ACCOUNT_JSON", "description": "Base64-encoded Google service account JSON with Search Console read access.", "isRequired": false, "isSecret": true },
+        { "name": "GSC_SITE_URL", "description": "Search Console site URL (e.g. sc-domain:example.com or https://example.com/).", "isRequired": false },
+        { "name": "MATOMO_URL", "description": "Matomo instance URL (e.g. https://example.com/analytics).", "isRequired": false },
+        { "name": "MATOMO_TOKEN", "description": "Matomo auth token with view access.", "isRequired": false, "isSecret": true },
+        { "name": "MATOMO_SITE_ID", "description": "Matomo idSite for the site to query.", "isRequired": false },
+        { "name": "GA4_PROPERTY_ID", "description": "GA4 property ID (numeric, no G- prefix).", "isRequired": false },
+        { "name": "GA4_SERVICE_ACCOUNT_JSON", "description": "Base64-encoded Google service account JSON with GA4 Data API access.", "isRequired": false, "isSecret": true },
+        { "name": "CLARITY_PROJECT_ID", "description": "Microsoft Clarity project ID.", "isRequired": false },
+        { "name": "CLARITY_API_TOKEN", "description": "Microsoft Clarity Data Export API token.", "isRequired": false, "isSecret": true },
+        { "name": "POSTS_SITEMAP_URL", "description": "XML sitemap URL used to enumerate posts. Primary platform-agnostic discovery path.", "isRequired": false },
+        { "name": "POSTS_LIST", "description": "Optional JSON array overriding sitemap discovery.", "isRequired": false },
+        { "name": "GHOST_ADMIN_API_URL", "description": "Optional. Ghost Admin API base URL. Pair with GHOST_ADMIN_API_KEY for richer metadata.", "isRequired": false },
+        { "name": "GHOST_ADMIN_API_KEY", "description": "Optional. Ghost Admin API key in the form id:secret.", "isRequired": false, "isSecret": true },
+        { "name": "CITATION_INTELLIGENCE_URL", "description": "Optional URL of a citation-intelligence MCP server to delegate AI-citation queries to.", "isRequired": false }
+      ]
     }
   ]
 }