Question

A developer is defining a currency-conversion tool for Claude. They have written a detailed description and a complete input JSON schema, but they are unsure what to put in the tool's 'name' field and how Claude uses it. What is the primary purpose of the 'name' field in a tool definition?

Accepted Answer

It is a unique identifier Claude uses to reference the tool when it requests to invoke it, and that you match against when returning results

Answer

It is the natural-language text Claude reads to decide whether the tool is relevant to the user's request

Answer

It defines the required parameters and their data types that Claude must supply when calling the tool

Answer

It is a display label shown to end users and has no effect on how Claude selects or calls the tool