Prometheus HTTP API — Metadata

naftiko: 1.0.0-alpha2
info:
  label: Prometheus HTTP API — Metadata
  description: 'Prometheus HTTP API — Metadata. 4 operations. Lead operation: Prometheus Get label values. Self-contained
    Naftiko capability covering one Prometheus business surface.'
  tags:
  - Prometheus
  - Metadata
  created: '2026-05-19'
  modified: '2026-05-19'
binds:
- namespace: env
  keys:
    PROMETHEUS_API_KEY: PROMETHEUS_API_KEY
capability:
  consumes:
  - type: http
    namespace: http-metadata
    baseUri: http://{host}:{port}
    description: Prometheus HTTP API — Metadata business capability. Self-contained, no shared references.
    resources:
    - name: api-v1-label-label_name-values
      path: /api/v1/label/{label_name}/values
      operations:
      - name: getlabelvalues
        method: GET
        description: Prometheus Get label values
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: label_name
          in: path
          type: string
          description: The label name to retrieve values for.
          required: true
        - name: start
          in: query
          type: string
          description: Start of the time range filter.
        - name: end
          in: query
          type: string
          description: End of the time range filter.
        - name: match[]
          in: query
          type: array
          description: Series selector(s) to restrict the label value results.
    - name: api-v1-labels
      path: /api/v1/labels
      operations:
      - name: getlabelnames
        method: GET
        description: Prometheus Get label names
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: start
          in: query
          type: string
          description: Start of the time range filter.
        - name: end
          in: query
          type: string
          description: End of the time range filter.
        - name: match[]
          in: query
          type: array
          description: Series selector(s) to restrict the label results.
    - name: api-v1-metadata
      path: /api/v1/metadata
      operations:
      - name: getmetricmetadata
        method: GET
        description: Prometheus Get metric metadata
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: metric
          in: query
          type: string
          description: Metric name to filter by. If omitted, all metrics are returned.
        - name: limit_per_metric
          in: query
          type: integer
          description: Maximum number of metadata entries to return per metric.
    - name: api-v1-series
      path: /api/v1/series
      operations:
      - name: queryseries
        method: GET
        description: Prometheus Query series
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: match[]
          in: query
          type: array
          description: Series selector(s). At least one required.
          required: true
        - name: start
          in: query
          type: string
          description: Start of the time range filter.
        - name: end
          in: query
          type: string
          description: End of the time range filter.
  exposes:
  - type: rest
    namespace: http-metadata-rest
    port: 8080
    description: REST adapter for Prometheus HTTP API — Metadata. One Spectral-compliant resource per consumed operation,
      prefixed with /v1.
    resources:
    - path: /v1/api/v1/label/{label-name}/values
      name: api-v1-label-label-name-values
      description: REST surface for api-v1-label-label_name-values.
      operations:
      - method: GET
        name: getlabelvalues
        description: Prometheus Get label values
        call: http-metadata.getlabelvalues
        with:
          label_name: rest.label_name
          start: rest.start
          end: rest.end
          match[]: rest.match[]
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/api/v1/labels
      name: api-v1-labels
      description: REST surface for api-v1-labels.
      operations:
      - method: GET
        name: getlabelnames
        description: Prometheus Get label names
        call: http-metadata.getlabelnames
        with:
          start: rest.start
          end: rest.end
          match[]: rest.match[]
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/api/v1/metadata
      name: api-v1-metadata
      description: REST surface for api-v1-metadata.
      operations:
      - method: GET
        name: getmetricmetadata
        description: Prometheus Get metric metadata
        call: http-metadata.getmetricmetadata
        with:
          metric: rest.metric
          limit_per_metric: rest.limit_per_metric
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/api/v1/series
      name: api-v1-series
      description: REST surface for api-v1-series.
      operations:
      - method: GET
        name: queryseries
        description: Prometheus Query series
        call: http-metadata.queryseries
        with:
          match[]: rest.match[]
          start: rest.start
          end: rest.end
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: http-metadata-mcp
    port: 9090
    transport: http
    description: MCP adapter for Prometheus HTTP API — Metadata. One tool per consumed operation, routed inline through this
      capability's consumes block.
    tools:
    - name: prometheus-get-label-values
      description: Prometheus Get label values
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: http-metadata.getlabelvalues
      with:
        label_name: tools.label_name
        start: tools.start
        end: tools.end
        match[]: tools.match[]
      outputParameters:
      - type: object
        mapping: $.
    - name: prometheus-get-label-names
      description: Prometheus Get label names
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: http-metadata.getlabelnames
      with:
        start: tools.start
        end: tools.end
        match[]: tools.match[]
      outputParameters:
      - type: object
        mapping: $.
    - name: prometheus-get-metric-metadata
      description: Prometheus Get metric metadata
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: http-metadata.getmetricmetadata
      with:
        metric: tools.metric
        limit_per_metric: tools.limit_per_metric
      outputParameters:
      - type: object
        mapping: $.
    - name: prometheus-query-series
      description: Prometheus Query series
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: http-metadata.queryseries
      with:
        match[]: tools.match[]
        start: tools.start
        end: tools.end
      outputParameters:
      - type: object
        mapping: $.