Yandex Cloud AI Studio metrics

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Updated at May 15, 2026

This section describes the AI Studio metrics delivered to Monitoring.

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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