allow cmpServer configuration in LLM

specs.json

@@ -447,7 +447,8 @@
       "eventHook": "object|string",
       "toolHook": "object|string",
       "events": "array",
-      "llmOptions": "object"
+      "llmOptions": "object",
+      "mcpServer": "#mcpServer"
     },
     "required": [
       "vendor",
@@ -455,6 +456,15 @@
       "llmOptions"
     ]
   },
+  "mcpServer": {
+    "properties": {
+      "url": "string",
+      "auth": "object"
+    },
+    "required": [
+      "url"
+    ]
+  },
   "message": {
     "properties": {
       "id": "string",

test/jambonz-verb-test.js

@@ -522,6 +522,24 @@ test("validate correct verbs", async (t) => {
       },
       "dual_streams": true,
       "timeLimit" : 10
+    },
+    {
+      "verb": "llm",
+      "vendor": 'ultravox',
+      "model": 'fixie-ai/ultravox',
+      "auth": {
+        "apiKey": "sk-1234567890abcdefg"
+      },
+      "llmOptions": {
+        firstSpeaker: 'FIRST_SPEAKER_AGENT',
+      },
+      "mcpServer": {
+        url: 'https://mcp.example.com',
+        auth: {
+          username: 'username',
+          password: 'password'
+        }
+      }
     }
   ];
   try {