Metals-API — Reference

naftiko: 1.0.0-alpha2
info:
  label: Metals-API — Reference
  description: 'Metals-API — Reference. 1 operations. Lead operation: List supported symbols. Self-contained Naftiko capability
    covering one Metals Api business surface.'
  tags:
  - Metals Api
  - Reference
  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-reference
    baseUri: https://metals-api.com/api
    description: Metals-API — Reference business capability. Self-contained, no shared references.
    resources:
    - name: symbols
      path: /symbols
      operations:
      - name: getsymbols
        method: GET
        description: List supported symbols
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    authentication:
      type: apikey
      key: access_key
      value: '{{env.METALS_API_API_KEY}}'
      placement: query
  exposes:
  - type: rest
    namespace: metals-reference-rest
    port: 8080
    description: REST adapter for Metals-API — Reference. One Spectral-compliant resource per consumed operation, prefixed
      with /v1.
    resources:
    - path: /v1/symbols
      name: symbols
      description: REST surface for symbols.
      operations:
      - method: GET
        name: getsymbols
        description: List supported symbols
        call: metals-reference.getsymbols
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: metals-reference-mcp
    port: 9090
    transport: http
    description: MCP adapter for Metals-API — Reference. One tool per consumed operation, routed inline through this capability's
      consumes block.
    tools:
    - name: list-supported-symbols
      description: List supported symbols
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: metals-reference.getsymbols
      outputParameters:
      - type: object
        mapping: $.