GNews API — Headlines

naftiko: 1.0.0-alpha2
info:
  label: GNews API — Headlines
  description: 'GNews API — Headlines. 1 operations. Lead operation: Get top headlines. Self-contained Naftiko capability
    covering one Gnews business surface.'
  tags:
  - Gnews
  - Headlines
  created: '2026-05-19'
  modified: '2026-05-19'
binds:
- namespace: env
  keys:
    GNEWS_API_KEY: GNEWS_API_KEY
capability:
  consumes:
  - type: http
    namespace: gnews-headlines
    baseUri: https://gnews.io/api/v4
    description: GNews API — Headlines business capability. Self-contained, no shared references.
    resources:
    - name: top-headlines
      path: /top-headlines
      operations:
      - name: topheadlines
        method: GET
        description: Get top headlines
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: category
          in: query
          type: string
          description: News category.
        - name: lang
          in: query
          type: string
          description: ISO 639-1 two-letter language code.
        - name: country
          in: query
          type: string
          description: ISO 3166-1 alpha-2 two-letter country code.
        - name: max
          in: query
          type: integer
          description: Maximum number of articles to return (1-100).
        - name: nullable
          in: query
          type: string
          description: Comma-separated list of attributes allowed to be null.
        - name: from
          in: query
          type: string
          description: Lower bound publish date.
        - name: to
          in: query
          type: string
          description: Upper bound publish date.
        - name: q
          in: query
          type: string
          description: Optional keyword filter applied to headlines.
        - name: page
          in: query
          type: integer
          description: Page number for pagination (paid plans).
        - name: expand
          in: query
          type: string
          description: Set to "content" for full article content (paid plans).
        - name: apikey
          in: query
          type: string
          description: API key for authentication.
          required: true
    authentication:
      type: apikey
      key: apikey
      value: '{{env.GNEWS_API_KEY}}'
      placement: query
  exposes:
  - type: rest
    namespace: gnews-headlines-rest
    port: 8080
    description: REST adapter for GNews API — Headlines. One Spectral-compliant resource per consumed operation, prefixed
      with /v1.
    resources:
    - path: /v1/top-headlines
      name: top-headlines
      description: REST surface for top-headlines.
      operations:
      - method: GET
        name: topheadlines
        description: Get top headlines
        call: gnews-headlines.topheadlines
        with:
          category: rest.category
          lang: rest.lang
          country: rest.country
          max: rest.max
          nullable: rest.nullable
          from: rest.from
          to: rest.to
          q: rest.q
          page: rest.page
          expand: rest.expand
          apikey: rest.apikey
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: gnews-headlines-mcp
    port: 9090
    transport: http
    description: MCP adapter for GNews API — Headlines. One tool per consumed operation, routed inline through this capability's
      consumes block.
    tools:
    - name: get-top-headlines
      description: Get top headlines
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: gnews-headlines.topheadlines
      with:
        category: tools.category
        lang: tools.lang
        country: tools.country
        max: tools.max
        nullable: tools.nullable
        from: tools.from
        to: tools.to
        q: tools.q
        page: tools.page
        expand: tools.expand
        apikey: tools.apikey
      outputParameters:
      - type: object
        mapping: $.