diff --git a/vision_agent/agent/vision_agent_coder.py b/vision_agent/agent/vision_agent_coder.py
index 97a522a1..05155a2e 100644
--- a/vision_agent/agent/vision_agent_coder.py
+++ b/vision_agent/agent/vision_agent_coder.py
@@ -678,7 +678,7 @@ def chat_with_workflow(
         chat: List[Message],
         test_multi_plan: bool = True,
         display_visualization: bool = False,
-        customized_tool_names: List[str] = [],
+        customized_tool_names: List[str] = None,
     ) -> Dict[str, Any]:
         """Chat with VisionAgentCoder and return intermediate information regarding the
         task.
@@ -763,7 +763,6 @@ def chat_with_workflow(
                     _LOGGER.info(
                         f"\n{tabulate(tabular_data=p_fixed, headers='keys', tablefmt='mixed_grid', maxcolwidths=_MAX_TABULATE_COL_WIDTH)}"
                     )
-
             tool_infos = retrieve_tools(
                 plans,
                 self.tool_recommender,
diff --git a/vision_agent/tools/tool_utils.py b/vision_agent/tools/tool_utils.py
index 1794147e..5573c5be 100644
--- a/vision_agent/tools/tool_utils.py
+++ b/vision_agent/tools/tool_utils.py
@@ -143,12 +143,14 @@ def get_tool_descriptions(funcs: List[Callable[..., Any]]) -> str:
 
 
 def get_tool_descriptions_by_names(
-    tool_name: List[str],
+    tool_name: List[str] | None,
     funcs: List[Callable[..., Any]],
     util_funcs: List[
         Callable[..., Any]
     ],  # util_funcs will always be added to the list of functions
 ) -> str:
+    if tool_name is None:
+        return get_tool_descriptions(funcs + util_funcs)
 
     invalid_names = [
         name for name in tool_name if name not in {func.__name__ for func in funcs}