set mcp transport and network transport to unknown if transport name is unknown

Author: betegon

packages/core/src/integrations/mcp-server/attributeExtraction.ts

@@ -49,6 +49,11 @@ export function getTransportTypes(transport: MCPTransport): { mcpTransport: stri
     return { mcpTransport: 'unknown', networkTransport: 'unknown' };
   }
   const transportName = transport.constructor.name?.toLowerCase() || 'unknown';
+
+  if (transportName === 'unknown') {
+    return { mcpTransport: 'unknown', networkTransport: 'unknown' };
+  }
+
   const networkTransport = transportName.includes('stdio') ? 'pipe' : 'tcp';
 
   return {

packages/core/test/lib/integrations/mcp-server/transportInstrumentation.test.ts

@@ -535,6 +535,30 @@ describe('MCP Server Transport Instrumentation', () => {
       expect(result.mcpTransport).toBe('unknown');
       expect(result.networkTransport).toBe('unknown');
     });
+
+    it('handles transport with null/undefined constructor name', () => {
+      const transport = {
+        constructor: { name: null },
+        onmessage: () => {},
+        send: async () => {},
+      };
+      const result = getTransportTypes(transport);
+
+      expect(result.mcpTransport).toBe('unknown');
+      expect(result.networkTransport).toBe('unknown');
+    });
+
+    it('handles transport with empty constructor name', () => {
+      const transport = {
+        constructor: { name: '' },
+        onmessage: () => {},
+        send: async () => {},
+      };
+      const result = getTransportTypes(transport);
+
+      expect(result.mcpTransport).toBe('unknown');
+      expect(result.networkTransport).toBe('unknown');
+    });
   });
 
   describe('buildTransportAttributes sessionId handling', () => {