Struct Response

pub struct Response {
    pub jsonrpc: String,
    pub id: RequestId,
    pub result: Option<Value>,
    pub error: Option<ResponseError>,
}

Base JSON-RPC response structure

This struct represents a JSON-RPC response in the MCP protocol. It includes the JSON-RPC version, the id of the request it’s responding to, and either a result or an error field.

Fields

jsonrpc: String

JSON-RPC version (always “2.0”)

id: RequestId

ID of the request this response corresponds to

result: Option<Value>

The result of a successful request (null if there was an error)

error: Option<ResponseError>

The error object if the request failed (null if the request was successful)

Implementations

impl Response

pub fn success(id: RequestId, result: Option<Value>) -> Self

Creates a new successful Response instance

Arguments

• id - The id of the request this response corresponds to
• result - The result of the successful request

Returns

A new Response instance representing a successful result

pub fn error(id: RequestId, error: ResponseError) -> Self

Creates a new error Response instance

Arguments

• id - The id of the request this response corresponds to
• error - The error that occurred during request processing

Returns

A new Response instance representing an error

Trait Implementations

impl Clone for Response

fn clone(&self) -> Response

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Response

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Response

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for Response

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

where __S: Serializer,

Serialize this value into the given Serde serializer.