Struct ToolUseContent 

pub struct ToolUseContent {
    pub id: String,
    pub name: String,
    pub input: Value,
    pub meta: Option<HashMap<String, Value>>,
}

Tool use content (MCP 2025-11-25 draft, SEP-1577)

Represents a request from the LLM to call a tool during sampling. The model wants to execute a function and receive its results.

Fields

id: String

A unique identifier for this tool use This ID is used to match tool results to their corresponding tool uses

name: String

The name of the tool to call

input: Value

The arguments to pass to the tool, conforming to the tool’s input schema

meta: Option<HashMap<String, Value>>

Optional metadata about the tool use Clients SHOULD preserve this field when including tool uses in subsequent sampling requests to enable caching optimizations

Trait Implementations

impl Clone for ToolUseContent

fn clone(&self) -> ToolUseContent

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ToolUseContent

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ToolUseContent

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for ToolUseContent

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

where __S: Serializer,

Serialize this value into the given Serde serializer.