MBTA V3 API — Predictions

naftiko: 1.0.0-alpha2
info:
  label: MBTA V3 API — Predictions
  description: 'MBTA V3 API — Predictions. 1 operations. Lead operation: List predictions. Self-contained Naftiko capability
    covering one Mbta business surface.'
  tags:
  - Mbta
  - Predictions
  created: '2026-05-19'
  modified: '2026-05-19'
binds:
- namespace: env
  keys:
    MBTA_API_KEY: MBTA_API_KEY
capability:
  consumes:
  - type: http
    namespace: mbta-v3-predictions
    baseUri: https://api-v3.mbta.com
    description: MBTA V3 API — Predictions business capability. Self-contained, no shared references.
    resources:
    - name: predictions
      path: /predictions
      operations:
      - name: listpredictions
        method: GET
        description: List predictions
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: filter[stop]
          in: query
          type: string
        - name: filter[route]
          in: query
          type: string
        - name: filter[trip]
          in: query
          type: string
        - name: filter[direction_id]
          in: query
          type: integer
    authentication:
      type: apikey
      key: x-api-key
      value: '{{env.MBTA_API_KEY}}'
      placement: header
  exposes:
  - type: rest
    namespace: mbta-v3-predictions-rest
    port: 8080
    description: REST adapter for MBTA V3 API — Predictions. One Spectral-compliant resource per consumed operation, prefixed
      with /v1.
    resources:
    - path: /v1/predictions
      name: predictions
      description: REST surface for predictions.
      operations:
      - method: GET
        name: listpredictions
        description: List predictions
        call: mbta-v3-predictions.listpredictions
        with:
          filter[stop]: rest.filter[stop]
          filter[route]: rest.filter[route]
          filter[trip]: rest.filter[trip]
          filter[direction_id]: rest.filter[direction_id]
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: mbta-v3-predictions-mcp
    port: 9090
    transport: http
    description: MCP adapter for MBTA V3 API — Predictions. One tool per consumed operation, routed inline through this capability's
      consumes block.
    tools:
    - name: list-predictions
      description: List predictions
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: mbta-v3-predictions.listpredictions
      with:
        filter[stop]: tools.filter[stop]
        filter[route]: tools.filter[route]
        filter[trip]: tools.filter[trip]
        filter[direction_id]: tools.filter[direction_id]
      outputParameters:
      - type: object
        mapping: $.