diff --git a/packages/core/src/mcp/token-storage/keychain-token-storage.ts b/packages/core/src/mcp/token-storage/keychain-token-storage.ts
index 74c6aa15dc..c13f66f9ae 100644
--- a/packages/core/src/mcp/token-storage/keychain-token-storage.ts
+++ b/packages/core/src/mcp/token-storage/keychain-token-storage.ts
@@ -281,9 +281,12 @@ export class KeychainTokenStorage
         );
 
         return success;
-      } catch (_error) {
+      } catch (error) {
         this.keychainAvailable = false;
 
+        // Log the error for debugging purposes, especially on Linux
+        console.error('Keychain availability check failed:', error);
+
         // Do not log the raw error message to avoid potential PII leaks
         // (e.g. from OS-level error messages containing file paths)
         coreEvents.emitTelemetryKeychainAvailability(