diff --git a/src/llama_stack_client/lib/agents/agent.py b/src/llama_stack_client/lib/agents/agent.py
index 90356b0e..fc2711a4 100644
--- a/src/llama_stack_client/lib/agents/agent.py
+++ b/src/llama_stack_client/lib/agents/agent.py
@@ -86,6 +86,8 @@ def __init__(
             agent_config = {
                 "model": model,
                 "instructions": instructions,
+                "toolgroups": [],
+                "client_tools": [],
             }
 
             # Add optional parameters if provided