Struct CancelTaskRequest 

pub struct CancelTaskRequest {
    pub id: RequestId,
    pub params: CancelTaskParams,
    /* private fields */
}

Latest MCP Protocol 2025_11_25 A request to cancel a task.

JSON schema

{
 "description": "A request to cancel a task.",
 "type": "object",
 "required": [
   "id",
   "jsonrpc",
   "method",
   "params"
 ],
 "properties": {
   "id": {
     "$ref": "#/$defs/RequestId"
   },
   "jsonrpc": {
     "type": "string",
     "const": "2.0"
   },
   "method": {
     "type": "string",
     "const": "tasks/cancel"
   },
   "params": {
     "type": "object",
     "required": [
       "taskId"
     ],
     "properties": {
       "taskId": {
         "description": "The task identifier to cancel.",
         "type": "string"
       }
     }
   }
 }
}

Fields

id: RequestId

params: CancelTaskParams

Implementations

impl CancelTaskRequest

pub fn new(id: RequestId, params: CancelTaskParams) -> Self

pub fn jsonrpc(&self) -> &String

pub fn method(&self) -> &String

pub fn method_value() -> &'static str

returns “tasks/cancel”

Trait Implementations

impl Clone for CancelTaskRequest

fn clone(&self) -> CancelTaskRequest

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CancelTaskRequest

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for CancelTaskRequest

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl From<CancelTaskRequest> for ClientRequest

fn from(value: CancelTaskRequest) -> Self

Converts to this type from the input type.

impl From<CancelTaskRequest> for ServerRequest

fn from(value: CancelTaskRequest) -> Self

Converts to this type from the input type.

impl From<CancelTaskRequest> for ServerJsonrpcRequest

fn from(value: CancelTaskRequest) -> Self

Converts to this type from the input type.

impl From<CancelTaskRequest> for ClientJsonrpcRequest

fn from(value: CancelTaskRequest) -> Self

Converts to this type from the input type.

impl Serialize for CancelTaskRequest

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.