CTA Bus Tracker API — Predictions

CTA Bus Tracker API — Predictions. 1 operations. Lead operation: Get Predictions. Self-contained Naftiko capability covering one Chicago Transit Authority business surface.

Run with Naftiko Chicago Transit AuthorityPredictions

What You Can Do

GET
Getpredictions — Get Predictions
/v1/getpredictions

MCP Tools

get-predictions

Get Predictions

read-only idempotent

Capability Spec

cta-bus-tracker-predictions.yaml Raw ↑
naftiko: 1.0.0-alpha2
info:
  label: CTA Bus Tracker API — Predictions
  description: 'CTA Bus Tracker API — Predictions. 1 operations. Lead operation: Get Predictions. Self-contained Naftiko capability
    covering one Chicago Transit Authority business surface.'
  tags:
  - Chicago Transit Authority
  - Predictions
  created: '2026-05-19'
  modified: '2026-05-19'
binds:
- namespace: env
  keys:
    CHICAGO_TRANSIT_AUTHORITY_API_KEY: CHICAGO_TRANSIT_AUTHORITY_API_KEY
capability:
  consumes:
  - type: http
    namespace: cta-bus-tracker-predictions
    baseUri: http://www.ctabustracker.com/bustime/api/v2
    description: CTA Bus Tracker API — Predictions business capability. Self-contained, no shared references.
    resources:
    - name: getpredictions
      path: /getpredictions
      operations:
      - name: getpredictions
        method: GET
        description: Get Predictions
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: stpid
          in: query
          type: string
          description: Comma-separated stop IDs.
        - name: rt
          in: query
          type: string
          description: Comma-separated route designators.
        - name: vid
          in: query
          type: string
          description: Comma-separated vehicle IDs.
        - name: top
          in: query
          type: integer
    authentication:
      type: apikey
      key: key
      value: '{{env.CHICAGO_TRANSIT_AUTHORITY_API_KEY}}'
      placement: query
  exposes:
  - type: rest
    namespace: cta-bus-tracker-predictions-rest
    port: 8080
    description: REST adapter for CTA Bus Tracker API — Predictions. One Spectral-compliant resource per consumed operation,
      prefixed with /v1.
    resources:
    - path: /v1/getpredictions
      name: getpredictions
      description: REST surface for getpredictions.
      operations:
      - method: GET
        name: getpredictions
        description: Get Predictions
        call: cta-bus-tracker-predictions.getpredictions
        with:
          stpid: rest.stpid
          rt: rest.rt
          vid: rest.vid
          top: rest.top
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: cta-bus-tracker-predictions-mcp
    port: 9090
    transport: http
    description: MCP adapter for CTA Bus Tracker API — Predictions. One tool per consumed operation, routed inline through
      this capability's consumes block.
    tools:
    - name: get-predictions
      description: Get Predictions
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: cta-bus-tracker-predictions.getpredictions
      with:
        stpid: tools.stpid
        rt: tools.rt
        vid: tools.vid
        top: tools.top
      outputParameters:
      - type: object
        mapping: $.