Struct Task 

pub struct Task {
    pub task_id: String,
    pub status: TaskStatus,
    pub created_at: String,
    pub last_updated_at: String,
    pub status_message: Option<String>,
    pub ttl: Option<i64>,
    pub poll_interval: Option<u64>,
    pub meta: Option<HashMap<String, Value>>,
}

Core task descriptor per MCP 2025-11-25. See MCP spec

Fields

task_id: String

Unique task identifier (serde: “taskId”)

status: TaskStatus

Current status of the task

created_at: String

ISO 8601 datetime when the task was created (REQUIRED)

last_updated_at: String

ISO 8601 datetime when the task was last updated (REQUIRED)

status_message: Option<String>

Optional human-readable status message

ttl: Option<i64>

Time-to-live in milliseconds

poll_interval: Option<u64>

Suggested poll interval in milliseconds

meta: Option<HashMap<String, Value>>

Meta information (_meta field)

Implementations

impl Task

pub fn new( task_id: impl Into<String>, status: TaskStatus, created_at: impl Into<String>, last_updated_at: impl Into<String>, ) -> Task

pub fn with_status_message(self, message: impl Into<String>) -> Task

pub fn with_ttl(self, ttl: i64) -> Task

pub fn with_poll_interval(self, interval: u64) -> Task

pub fn with_meta(self, meta: HashMap<String, Value>) -> Task

Trait Implementations

impl Clone for Task

fn clone(&self) -> Task

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Task

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Task

fn deserialize<__D>( __deserializer: __D, ) -> Result<Task, <__D as Deserializer<'de>>::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for Task

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

where __S: Serializer,

Serialize this value into the given Serde serializer.