Question

You are building a weather assistant that lets Claude fetch current conditions. You need to define a tool so Claude knows how to call it. Which combination of elements must every tool definition include for Claude to correctly request and populate the tool call?

Accepted Answer

A name, a description, and an input_schema written as a JSON Schema object

Answer

A name, an example response payload, and the API endpoint URL to call

Answer

A unique ID, a temperature setting, and a list of stop sequences

Answer

A description and a pre-filled assistant message showing the expected output