diff --git a/src/agent/client.ts b/src/agent/client.ts
index f940113..6b0d81c 100644
--- a/src/agent/client.ts
+++ b/src/agent/client.ts
@@ -176,8 +176,9 @@ export async function getClient() {
   if (!apiKey && baseURL === LETTA_CLOUD_API_URL) {
     console.error("Missing LETTA_API_KEY");
     console.error(
-      "Run 'letta setup' to configure authentication or set your LETTA_API_KEY environment variable",
+      "Run 'letta' to configure authentication, or set LETTA_API_KEY to your API key",
     );
+    console.error(new Error("getClient() called without credentials").stack);
     process.exit(1);
   }