Struct CreateMessageResult 

pub struct CreateMessageResult {
    pub role: Role,
    pub content: ContentBlock,
    pub model: String,
    pub stop_reason: Option<StopReason>,
    pub _meta: Option<Value>,
}

Create message result

Fields

role: Role

The role of the message (required by MCP specification)

content: ContentBlock

The generated message content

model: String

Model used for generation (required by MCP specification)

stop_reason: Option<StopReason>

Stop reason (if applicable)

Uses the StopReason enum with camelCase serialization for MCP 2025-06-18 compliance.

_meta: Option<Value>

Optional metadata per MCP 2025-06-18 specification

Trait Implementations

impl Clone for CreateMessageResult

fn clone(&self) -> CreateMessageResult

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CreateMessageResult

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for CreateMessageResult

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for CreateMessageResult

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.