Struct MCPExtension 

pub struct MCPExtension {
    pub tool: Option<ToolMetadata>,
    pub resource: Option<ResourceMetadata>,
    pub prompt: Option<PromptMetadata>,
}

MCP-specific metadata extension.

Carries tool, resource, or prompt metadata for the entity being processed. Immutable — set by the host.

Fields

tool: Option<ToolMetadata>

Tool metadata (if this message involves a tool).

resource: Option<ResourceMetadata>

Resource metadata (if this message involves a resource).

prompt: Option<PromptMetadata>

Prompt metadata (if this message involves a prompt).

Trait Implementations

impl Clone for MCPExtension

fn clone(&self) -> MCPExtension

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for MCPExtension

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

Formats the value using the given formatter.

impl Default for MCPExtension

fn default() -> MCPExtension

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for MCPExtension

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for MCPExtension

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

where __S: Serializer,

Serialize this value into the given Serde serializer.