Polygon Reference REST API — News

naftiko: "1.0.0-alpha2"

info:
  label: "Polygon Reference REST API — News"
  description: >-
    Reference — News. 1 operation. Lead operation: List Ticker News.
    Self-contained Naftiko capability covering one Polygon business surface.
  tags:
    - Polygon
    - Reference
    - News
  created: "2026-05-29"
  modified: "2026-05-29"

binds:
  - namespace: env
    keys:
      POLYGON_API_KEY: POLYGON_API_KEY

capability:

  consumes:
    - type: http
      namespace: "reference-news"
      baseUri: "https://api.polygon.io"
      description: "Polygon Reference REST API — News business capability."
      authentication:
        type: bearer
        token: "{{env.POLYGON_API_KEY}}"
      resources:
        - name: "reference-news"
          path: "/v2/reference/news"
          operations:
            - name: "listTickerNews"
              method: GET
              description: "List Ticker News"
              inputParameters:
                - name: "ticker"
                  in: query
                  type: string
                  required: false
                - name: "published_utc"
                  in: query
                  type: string
                  required: false
                - name: "order"
                  in: query
                  type: string
                  required: false
                - name: "limit"
                  in: query
                  type: integer
                  required: false
              outputRawFormat: json
              outputParameters:
                - name: result
                  type: object
                  value: "$."

  exposes:
    - type: rest
      namespace: "reference-news-rest"
      port: 8080
      description: "REST adapter for Polygon Reference REST API — News."
      resources:
        - path: "/v1/v2/reference/news"
          name: "reference-news"
          description: "REST surface for reference-news."
          operations:
            - method: GET
              name: "listTickerNews"
              description: "List Ticker News"
              call: "reference-news.listTickerNews"
              with:
                ticker: "rest.ticker"
                published_utc: "rest.published_utc"
                order: "rest.order"
                limit: "rest.limit"
              outputParameters:
                - type: object
                  mapping: "$."

    - type: mcp
      namespace: "reference-news-mcp"
      port: 9090
      transport: http
      description: "MCP adapter for Polygon Reference REST API — News."
      tools:
        - name: "list-ticker-news"
          description: "List Ticker News"
          hints:
            readOnly: true
            destructive: false
            idempotent: true
          call: "reference-news.listTickerNews"
          with:
            ticker: "tools.ticker"
            published_utc: "tools.published_utc"
            order: "tools.order"
            limit: "tools.limit"
          outputParameters:
            - type: object
              mapping: "$."