Struct McpMetrics 

#[non_exhaustive]
pub struct McpMetrics {
    pub registry: Registry,
    pub http_requests_total: IntCounterVec,
    pub http_request_duration_seconds: HistogramVec,
}

Collected Prometheus metrics for an MCP server.

Fields (Non-exhaustive)

Non-exhaustive structs could have additional fields added in future. Therefore, non-exhaustive structs cannot be constructed in external crates using the traditional Struct { .. } syntax; cannot be matched against without a wildcard ..; and struct update syntax will not work.

registry: Registry

Prometheus registry holding all counters and histograms.

http_requests_total: IntCounterVec

Total HTTP requests by method, path, and status code.

http_request_duration_seconds: HistogramVec

HTTP request duration in seconds by method and path.

Implementations

impl McpMetrics

pub fn new() -> Result<Self, McpxError>

Create a new metrics registry with default MCP counters.

Errors

Returns McpxError::Metrics if counter registration fails (should not happen unless duplicate registrations occur).

pub fn encode(&self) -> String

Encode all collected metrics as Prometheus text format.

Trait Implementations

impl Clone for McpMetrics

fn clone(&self) -> McpMetrics

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for McpMetrics

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

Formats the value using the given formatter.