Type Alias ToolCallback<InputArgs, OutputArgs>

ToolCallback: InputArgs extends ZodRawShape
    ? (
        args: z.objectOutputType<InputArgs, ZodTypeAny>,
        extra: RequestHandlerExtra<ServerRequest, ServerNotification>,
    ) =>
        | TypedCallToolResult<OutputArgs>
        | Promise<TypedCallToolResult<OutputArgs>>
    : (
        extra: RequestHandlerExtra<ServerRequest, ServerNotification>,
    ) =>
        | TypedCallToolResult<OutputArgs>
        | Promise<TypedCallToolResult<OutputArgs>>

Callback for a tool handler registered with Server.tool().

Parameters will include tool arguments, if applicable, as well as other request handler context.

The callback should return:

structuredContent if the tool has an outputSchema defined
content if the tool does not have an outputSchema
Both fields are optional but typically one should be provided

Type Parameters

InputArgs extends undefined | ZodRawShape = undefined
OutputArgs extends undefined | ZodRawShape = undefined