Type Alias BoxToolService 

pub type BoxToolService = BoxCloneService<ToolRequest, CallToolResult, Infallible>;

A boxed, cloneable tool service with Error = Infallible.

This is the internal service type that tools use. Middleware errors are caught and converted to CallToolResult::error() responses, so the service never fails at the Tower level.

Aliased Type

pub struct BoxToolService(/* private fields */);