Struct RouterResponse 

pub struct RouterResponse {
    pub id: RequestId,
    pub inner: Result<McpResponse, JsonRpcError>,
}

Response type for the tower Service implementation

Fields

id: RequestId

The JSON-RPC request ID this response corresponds to.

inner: Result<McpResponse, JsonRpcError>

The MCP response or JSON-RPC error.

Implementations

impl RouterResponse

pub fn is_error(&self) -> bool

Returns true if the response contains a JSON-RPC error.

Since tower-mcp services use Error = Infallible (errors are carried inside the response, not in the Result), this method is useful for middleware that needs to inspect whether a request failed – for example, retry or circuit breaker middleware.

Example

// Response-based retry predicate for tower-resilience or similar
fn is_retriable(response: &RouterResponse) -> bool {
    response.is_error()
}

pub fn into_jsonrpc(self) -> JsonRpcResponse

Convert to JSON-RPC response

Trait Implementations

impl Clone for RouterResponse

fn clone(&self) -> RouterResponse

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for RouterResponse

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

Formats the value using the given formatter.