Struct Tool 

pub struct Tool {
    pub name: String,
    pub title: Option<String>,
    pub description: String,
    pub input_schema: Value,
    pub annotations: Option<Value>,
    pub handler: ToolHandler,
}

One MCP tool. handler gets the call’s arguments (an object, {} when omitted). An Err is reported to the client as a tool result with isError: true, as MCP specifies, not as a protocol error.

Fields

name: String

title: Option<String>

description: String

input_schema: Value

annotations: Option<Value>

readOnlyHint, destructiveHint, idempotentHint, openWorldHint.

handler: ToolHandler

Implementations

impl Tool

pub fn new( name: impl Into<String>, description: impl Into<String>, input_schema: Value, handler: impl Fn(Value, &Caller) -> Result<Value> + Send + Sync + 'static, ) -> Self

pub fn title(self, title: impl Into<String>) -> Self

pub fn annotations(self, annotations: Value) -> Self

Trait Implementations

impl Clone for Tool

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Tool

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.