diff --git a/llama_stack/apis/agents/agents.py b/llama_stack/apis/agents/agents.py
index f62d78390..b6d6e6578 100644
--- a/llama_stack/apis/agents/agents.py
+++ b/llama_stack/apis/agents/agents.py
@@ -165,6 +165,7 @@ class AgentConfig(AgentConfigCommon):
     model: str
     instructions: str
     enable_session_persistence: bool
+    response_format: Optional[ResponseFormat] = None
 
 
 class AgentConfigOverridablePerTurn(AgentConfigCommon):
diff --git a/llama_stack/providers/inline/agents/meta_reference/agent_instance.py b/llama_stack/providers/inline/agents/meta_reference/agent_instance.py
index 32801e514..eca7364d7 100644
--- a/llama_stack/providers/inline/agents/meta_reference/agent_instance.py
+++ b/llama_stack/providers/inline/agents/meta_reference/agent_instance.py
@@ -512,6 +512,7 @@ class ChatAgent(ShieldRunnerMixin):
                         if tool_to_group.get(tool.tool_name, None) != RAG_TOOL_GROUP
                     ],
                     tool_prompt_format=self.agent_config.tool_prompt_format,
+                    response_format=self.agent_config.response_format,
                     stream=True,
                     sampling_params=sampling_params,
                 ):