Yandex Cloud AI Studio metrics

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Updated at May 15, 2026

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This section describes the AI Studio metrics delivered to Monium.Metrics.

The name label is for the metric name.

Labels shared by all metrics of the AI Studio MCP Hub feature:

Label	Value
service	Service ID: `serverless-mcp-gateway`
mcp_gateway_id	MCP server ID

Service metrics:

Name Type, units	Description Labels
`requests_completed_per_second` `DGAUGE`, requests per second	Number of completed requests to the MCP server per second. Labels: request_text: Type of your request. error_code: Error, if any.
`requests_received_per_second` `DGAUGE`, requests per second	Number of requests to the MCP server per second. Label: request_text: Type of your request.
`sessions_active_count` `DGAUGE`, count	Number of open sessions with the MCP server.
`sessions_closed_per_second` `DGAUGE`, requests per second	Number of session closures with the MCP server per second.
`sessions_duration_milliseconds` `IGAUGE`, milliseconds	Session duration with the MCP server. Label: bin: Histogram buckets.
`sessions_init_requests_per_second` `DGAUGE`, requests per second	Number of session initialization requests to the MCP server per second. Label: error_code: Error, if any.
`tool_call_duration_milliseconds` `IGAUGE`, milliseconds	Execution duration of a request to the MCP server's tool. Label: bin: Histogram buckets.

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