Struct ToolOutputSchema 

pub struct ToolOutputSchema {
    pub schema: Option<String>,
    pub extra: Option<Map<String, Value>>,
}

Latest MCP Protocol 2026_07_28 An optional JSON Schema object defining the structure of the tool’s output returned in the structuredContent field of a {@link CallToolResult}. This can be any valid JSON Schema 2020-12. Defaults to JSON Schema 2020-12 when no explicit $schema is provided.

JSON schema

{
 "description": "An optional JSON Schema object defining the structure of the tool's output returned in\nthe structuredContent field of a {@link CallToolResult}. This can be any valid JSON Schema 2020-12.\n\nDefaults to JSON Schema 2020-12 when no explicit $schema is provided.",
 "type": "object",
 "properties": {
   "$schema": {
     "type": "string"
   }
 },
 "additionalProperties": {}
}

Fields

schema: Option<String>

extra: Option<Map<String, Value>>

Trait Implementations

impl Clone for ToolOutputSchema

fn clone(&self) -> ToolOutputSchema

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ToolOutputSchema

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

Formats the value using the given formatter.

impl Default for ToolOutputSchema

fn default() -> ToolOutputSchema

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for ToolOutputSchema

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for ToolOutputSchema

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

where __S: Serializer,

Serialize this value into the given Serde serializer.