Datadog MCP Server

Returns the estimated cardinality for a metric with a given tag, percentile and number of aggregations configuration using Metrics without Limits™.

Path Parameters:

• metric_name (Required): The name of the metric.

Query Parameters:

• filter[groups]: Filtered tag keys that the metric is configured to query with.

• filter[hours_ago]: The number of hours of look back (from now) to estimate cardinality with. If unspecified, it defaults to 0 hours.

• filter[num_aggregations]: Deprecated. Number of aggregations has no impact on volume.

• filter[pct]: A boolean, for distribution metrics only, to estimate cardinality if the metric includes additional percentile aggregators.

• filter[timespan_h]: A window, in hours, from the look back to estimate cardinality with. The minimum and default is 1 hour.

Responses:

• 200 (Success): Success

  • Content-Type: application/json

  • Response Properties:

  • Example:

{
  "data": "unknown_type"
}

• 400: API error response.

  • Content-Type: application/json

  • Response Properties:

    • errors: A list of errors.

  • Example:

{
  "errors": [
    "Bad Request"
  ]
}

• 403: API error response.

  • Content-Type: application/json

  • Response Properties:

    • errors: A list of errors.

  • Example:

{
  "errors": [
    "Bad Request"
  ]
}

• 404: API error response.

  • Content-Type: application/json

  • Response Properties:

    • errors: A list of errors.

  • Example:

{
  "errors": [
    "Bad Request"
  ]
}

• 429: Too Many Requests

  • Content-Type: application/json

  • Response Properties:

    • errors: A list of errors.

  • Example:

{
  "errors": [
    "Bad Request"
  ]
}