Open Exchange Rates API — Reference

naftiko: 1.0.0-alpha2
info:
  label: Open Exchange Rates API — Reference
  description: 'Open Exchange Rates API — Reference. 1 operations. Lead operation: List available currencies. Self-contained
    Naftiko capability covering one Forex business surface.'
  tags:
  - Forex
  - Reference
  created: '2026-05-19'
  modified: '2026-05-19'
binds:
- namespace: env
  keys:
    FOREX_API_KEY: FOREX_API_KEY
capability:
  consumes:
  - type: http
    namespace: forex-reference
    baseUri: https://openexchangerates.org/api
    description: Open Exchange Rates API — Reference business capability. Self-contained, no shared references.
    resources:
    - name: currencies.json
      path: /currencies.json
      operations:
      - name: listcurrencies
        method: GET
        description: List available currencies
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: app_id
          in: query
          type: string
    authentication:
      type: apikey
      key: app_id
      value: '{{env.FOREX_API_KEY}}'
      placement: query
  exposes:
  - type: rest
    namespace: forex-reference-rest
    port: 8080
    description: REST adapter for Open Exchange Rates API — Reference. One Spectral-compliant resource per consumed operation,
      prefixed with /v1.
    resources:
    - path: /v1/currencies-json
      name: currencies-json
      description: REST surface for currencies.json.
      operations:
      - method: GET
        name: listcurrencies
        description: List available currencies
        call: forex-reference.listcurrencies
        with:
          app_id: rest.app_id
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: forex-reference-mcp
    port: 9090
    transport: http
    description: MCP adapter for Open Exchange Rates API — Reference. One tool per consumed operation, routed inline through
      this capability's consumes block.
    tools:
    - name: list-available-currencies
      description: List available currencies
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: forex-reference.listcurrencies
      with:
        app_id: tools.app_id
      outputParameters:
      - type: object
        mapping: $.