chore(internal): fix MCP server TS errors that occur with required client options

Author: stainless-app[bot]

packages/mcp-server/src/code-tool.ts

@@ -283,15 +283,13 @@ const localDenoHandler = async ({
 
       // Strip null/undefined values so that the worker SDK client can fall back to
       // reading from environment variables (including any upstreamClientEnvs).
-      const opts: ClientOptions = Object.fromEntries(
-        Object.entries({
-          baseURL: client.baseURL,
-          apiKey: client.apiKey,
-          defaultHeaders: {
-            'X-Stainless-MCP': 'true',
-          },
-        }).filter(([_, v]) => v != null),
-      ) as ClientOptions;
+      const opts = {
+        ...(client.baseURL != null ? { baseURL: client.baseURL } : undefined),
+        ...(client.apiKey != null ? { apiKey: client.apiKey } : undefined),
+        defaultHeaders: {
+          'X-Stainless-MCP': 'true',
+        },
+      } satisfies Partial<ClientOptions> as ClientOptions;
 
       const req = worker.request(
         'http://localhost',