fix: skip Anthropic MCP registry fetch for third-party providers (#310)

src/services/mcp/officialRegistry.ts

@@ -1,6 +1,7 @@
 import axios from 'axios'
 import { logForDebugging } from '../../utils/debug.js'
 import { errorMessage } from '../../utils/errors.js'
+import { getAPIProvider } from '../../utils/model/providers.js'
 
 type RegistryServer = {
   server: {
@@ -35,6 +36,11 @@ export async function prefetchOfficialMcpUrls(): Promise<void> {
     return
   }
 
+  // Anthropic's official MCP registry is only relevant for first-party mode.
+  if (getAPIProvider() !== 'firstParty') {
+    return
+  }
+
   try {
     const response = await axios.get<RegistryResponse>(
       'https://api.anthropic.com/mcp-registry/v0/servers?version=latest&visibility=commercial',