Struct CreateMessageParams 

pub struct CreateMessageParams {
    pub messages: Vec<SamplingMessage>,
    pub model_preferences: Option<ModelPreferences>,
    pub system_prompt: Option<String>,
    pub include_context: Option<String>,
    pub temperature: Option<f64>,
    pub max_tokens: u32,
    pub stop_sequences: Option<Vec<String>>,
    pub metadata: Option<Value>,
    pub meta: Option<HashMap<String, Value>>,
}

Parameters for sampling/createMessage request (per MCP spec)

Fields

messages: Vec<SamplingMessage>

Messages for context

model_preferences: Option<ModelPreferences>

Optional model preferences

system_prompt: Option<String>

Optional system prompt

include_context: Option<String>

Optional include context

temperature: Option<f64>

Optional temperature

max_tokens: u32

Maximum tokens (required field)

stop_sequences: Option<Vec<String>>

Optional stop sequences

metadata: Option<Value>

Optional metadata

meta: Option<HashMap<String, Value>>

Meta information (optional _meta field inside params)

Implementations

impl CreateMessageParams

pub fn new( messages: Vec<SamplingMessage>, max_tokens: u32, ) -> CreateMessageParams

pub fn with_model_preferences( self, preferences: ModelPreferences, ) -> CreateMessageParams

pub fn with_system_prompt( self, prompt: impl Into<String>, ) -> CreateMessageParams

pub fn with_temperature(self, temperature: f64) -> CreateMessageParams

pub fn with_stop_sequences(self, sequences: Vec<String>) -> CreateMessageParams

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

Trait Implementations

impl Clone for CreateMessageParams

fn clone(&self) -> CreateMessageParams

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CreateMessageParams

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for CreateMessageParams

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl HasCreateMessageParams for CreateMessageParams

fn messages(&self) -> &Vec<SamplingMessage>

fn model_preferences(&self) -> Option<&ModelPreferences>

fn system_prompt(&self) -> Option<&String>

fn include_context(&self) -> Option<&String>

fn temperature(&self) -> Option<&f64>

fn max_tokens(&self) -> u32

fn stop_sequences(&self) -> Option<&Vec<String>>

fn metadata(&self) -> Option<&Value>

impl HasMetaParam for CreateMessageParams

fn meta(&self) -> Option<&HashMap<String, Value>>

impl HasModelPreferences for CreateMessageParams

fn model_preferences(&self) -> Option<&ModelPreferences>

Model preferences (optional from spec)

fn metadata(&self) -> Option<&Value>

Metadata (optional from spec)

impl HasSamplingConfig for CreateMessageParams

fn max_tokens(&self) -> u32

Maximum tokens to generate (required field from spec)

fn temperature(&self) -> Option<f64>

Temperature for sampling (optional from spec)

fn stop_sequences(&self) -> Option<&Vec<String>>

Stop sequences (optional from spec)

impl HasSamplingContext for CreateMessageParams

fn messages(&self) -> &[SamplingMessage]

Messages for context (required from spec)

fn system_prompt(&self) -> Option<&str>

System prompt (optional from spec)

fn include_context(&self) -> Option<&str>

Include context setting (optional from spec)

impl SerdeParamExtractor<CreateMessageParams> for CreateMessageParams

type Error = McpError

fn extract_serde( params: RequestParams, ) -> Result<CreateMessageParams, <CreateMessageParams as SerdeParamExtractor<CreateMessageParams>>::Error>

Extract parameters using serde deserialization

impl Serialize for CreateMessageParams

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.

impl Params for CreateMessageParams