Struct CallToolRequestParams 

pub struct CallToolRequestParams {
    pub arguments: Option<Map<String, Value>>,
    pub meta: Option<CallToolMeta>,
    pub name: String,
    pub task: Option<TaskMetadata>,
}

Parameters for a tools/call request.

JSON schema

{
 "description": "Parameters for a tools/call request.",
 "type": "object",
 "required": [
   "name"
 ],
 "properties": {
   "_meta": {
     "description": "See [General fields: _meta](https://modelcontextprotocol.io/specification/2025-11-25/basic/index#meta) for notes on _meta usage.",
     "type": "object",
     "properties": {
       "progressToken": {
         "description": "If specified, the caller is requesting out-of-band progress notifications for this request (as represented by notifications/progress). The value of this parameter is an opaque token that will be attached to any subsequent notifications. The receiver is not obligated to provide these notifications.",
         "$ref": "#/$defs/ProgressToken"
       }
     },
     "additionalProperties": {}
   },
   "arguments": {
     "description": "Arguments to use for the tool call.",
     "type": "object",
     "additionalProperties": {}
   },
   "name": {
     "description": "The name of the tool.",
     "type": "string"
   },
   "task": {
     "description": "If specified, the caller is requesting task-augmented execution for this request.\nThe request will return a CreateTaskResult immediately, and the actual result can be\nretrieved later via tasks/result.\n\nTask augmentation is subject to capability negotiation - receivers MUST declare support\nfor task augmentation of specific request types in their capabilities.",
     "$ref": "#/$defs/TaskMetadata"
   }
 }
}

Fields

arguments: Option<Map<String, Value>>

Arguments to use for the tool call.

meta: Option<CallToolMeta>

name: String

The name of the tool.

task: Option<TaskMetadata>

If specified, the caller is requesting task-augmented execution for this request. The request will return a CreateTaskResult immediately, and the actual result can be retrieved later via tasks/result. Task augmentation is subject to capability negotiation - receivers MUST declare support for task augmentation of specific request types in their capabilities.

Trait Implementations

impl Clone for CallToolRequestParams

fn clone(&self) -> CallToolRequestParams

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CallToolRequestParams

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for CallToolRequestParams

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for CallToolRequestParams

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

where __S: Serializer,

Serialize this value into the given Serde serializer.