Question

Your application defines a get_weather tool. Claude responds with a tool_use block requesting the tool with a specific tool_use_id. Your code runs the function and gets the result '72°F, sunny'. To continue the conversation loop correctly, how should you send this result back to Claude?

Accepted Answer

As a new user-role message containing a tool_result content block that references the matching tool_use_id

Answer

As a new assistant-role message containing the plain text '72°F, sunny'

Answer

As an update to the original tool definition's input schema in the system prompt

Answer

As a new user-role message with the result written as ordinary prose, with no tool_use_id reference