OpenTelemetry SDK
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    Variable METRIC_MCP_SERVER_OPERATION_DURATIONConst Experimental

    METRIC_MCP_SERVER_OPERATION_DURATION: "mcp.server.operation.duration" = ...

    MCP request or notification duration as observed on the receiver from the time it was received until the result or ack is sent.

    This metric is experimental and is subject to breaking changes in minor releases of @opentelemetry/semantic-conventions.