> you still have to figure out how to concretely receive a response back Isn't that handled by whatever Tool API you're using? There's usually a `function_call

> you still have to figure out how to concretely receive a response back Isn't that handled by whatever Tool API you're using? There's usually a `function_call_output` or `tool_result` message type. I haven't had a need for a separate protocol just to send responses.