Cigna Drug Formulary API — MedicationKnowledge

naftiko: 1.0.0-alpha2
info:
  label: Cigna Drug Formulary API — MedicationKnowledge
  description: 'Cigna Drug Formulary API — MedicationKnowledge. 1 operations. Lead operation: Search covered drugs and formulary
    tier, step therapy, and prior auth. Self-contained Naftiko capability covering one Cigna business surface.'
  tags:
  - Cigna
  - MedicationKnowledge
  created: '2026-05-19'
  modified: '2026-05-19'
binds:
- namespace: env
  keys:
    CIGNA_API_KEY: CIGNA_API_KEY
capability:
  consumes:
  - type: http
    namespace: drug-formulary-medicationknowledge
    baseUri: https://fhir.cigna.com/DrugFormulary/v1
    description: Cigna Drug Formulary API — MedicationKnowledge business capability. Self-contained, no shared references.
    resources:
    - name: MedicationKnowledge
      path: /MedicationKnowledge
      operations:
      - name: searchmedicationknowledge
        method: GET
        description: Search covered drugs and formulary tier, step therapy, and prior auth
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: code
          in: query
          type: string
          description: RxNorm or NDC code
        - name: DrugPlan
          in: query
          type: string
          description: InsurancePlan id of the formulary
  exposes:
  - type: rest
    namespace: drug-formulary-medicationknowledge-rest
    port: 8080
    description: REST adapter for Cigna Drug Formulary API — MedicationKnowledge. One Spectral-compliant resource per consumed
      operation, prefixed with /v1.
    resources:
    - path: /v1/medicationknowledge
      name: medicationknowledge
      description: REST surface for MedicationKnowledge.
      operations:
      - method: GET
        name: searchmedicationknowledge
        description: Search covered drugs and formulary tier, step therapy, and prior auth
        call: drug-formulary-medicationknowledge.searchmedicationknowledge
        with:
          code: rest.code
          DrugPlan: rest.DrugPlan
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: drug-formulary-medicationknowledge-mcp
    port: 9090
    transport: http
    description: MCP adapter for Cigna Drug Formulary API — MedicationKnowledge. One tool per consumed operation, routed inline
      through this capability's consumes block.
    tools:
    - name: search-covered-drugs-and-formulary
      description: Search covered drugs and formulary tier, step therapy, and prior auth
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: drug-formulary-medicationknowledge.searchmedicationknowledge
      with:
        code: tools.code
        DrugPlan: tools.DrugPlan
      outputParameters:
      - type: object
        mapping: $.