Metals-API — Conversion

naftiko: 1.0.0-alpha2
info:
  label: Metals-API — Conversion
  description: 'Metals-API — Conversion. 1 operations. Lead operation: Convert between currencies and metals. Self-contained
    Naftiko capability covering one Metals Api business surface.'
  tags:
  - Metals Api
  - Conversion
  created: '2026-05-19'
  modified: '2026-05-19'
binds:
- namespace: env
  keys:
    METALS_API_API_KEY: METALS_API_API_KEY
capability:
  consumes:
  - type: http
    namespace: metals-conversion
    baseUri: https://metals-api.com/api
    description: Metals-API — Conversion business capability. Self-contained, no shared references.
    resources:
    - name: convert
      path: /convert
      operations:
      - name: convert
        method: GET
        description: Convert between currencies and metals
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: from
          in: query
          type: string
          description: Source currency or metal symbol.
          required: true
        - name: to
          in: query
          type: string
          description: Target currency or metal symbol.
          required: true
        - name: amount
          in: query
          type: number
          description: Amount to convert.
          required: true
        - name: date
          in: query
          type: string
          description: Optional historical date in YYYY-MM-DD format.
    authentication:
      type: apikey
      key: access_key
      value: '{{env.METALS_API_API_KEY}}'
      placement: query
  exposes:
  - type: rest
    namespace: metals-conversion-rest
    port: 8080
    description: REST adapter for Metals-API — Conversion. One Spectral-compliant resource per consumed operation, prefixed
      with /v1.
    resources:
    - path: /v1/convert
      name: convert
      description: REST surface for convert.
      operations:
      - method: GET
        name: convert
        description: Convert between currencies and metals
        call: metals-conversion.convert
        with:
          from: rest.from
          to: rest.to
          amount: rest.amount
          date: rest.date
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: metals-conversion-mcp
    port: 9090
    transport: http
    description: MCP adapter for Metals-API — Conversion. One tool per consumed operation, routed inline through this capability's
      consumes block.
    tools:
    - name: convert-between-currencies-and-metals
      description: Convert between currencies and metals
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: metals-conversion.convert
      with:
        from: tools.from
        to: tools.to
        amount: tools.amount
        date: tools.date
      outputParameters:
      - type: object
        mapping: $.