Mailchimp Marketing API — Fields

naftiko: 1.0.0-alpha2
info:
  label: Mailchimp Marketing API  — Fields
  description: 'Mailchimp Marketing API  — Fields. 5 operations. Lead operation: Mailchimp List Merge Fields. Self-contained
    Naftiko capability covering one Mailchimp business surface.'
  tags:
  - Mailchimp
  - Fields
  created: '2026-05-19'
  modified: '2026-05-19'
binds:
- namespace: env
  keys:
    MAILCHIMP_API_KEY: MAILCHIMP_API_KEY
capability:
  consumes:
  - type: http
    namespace: marketing-fields
    baseUri: https://server.api.mailchimp.com/3.0
    description: Mailchimp Marketing API  — Fields business capability. Self-contained, no shared references.
    resources:
    - name: lists-list_id-merge-fields
      path: /lists/{list_id}/merge-fields
      operations:
      - name: getlistsidmergefields
        method: GET
        description: Mailchimp List Merge Fields
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: list_id
          in: path
          type: string
          description: The unique ID for the list.
          required: true
        - name: fields
          in: query
          type: array
          description: A comma-separated list of fields to return. Reference parameters of sub-objects with dot notation.
        - name: exclude_fields
          in: query
          type: array
          description: A comma-separated list of fields to exclude. Reference parameters of sub-objects with dot notation.
        - name: count
          in: query
          type: integer
          description: The number of records to return. Default value is 10. Maximum value is 1000
        - name: offset
          in: query
          type: integer
          description: Used for [pagination](https://mailchimp.com/developer/marketing/docs/methods-parameters/#pagination),
            this it the number of records from a collection to skip. D
        - name: type
          in: query
          type: string
          description: The merge field type.
        - name: required
          in: query
          type: boolean
          description: Whether it's a required merge field.
      - name: postlistsidmergefields
        method: POST
        description: Mailchimp Add Merge Field
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: list_id
          in: path
          type: string
          description: The unique ID for the list.
          required: true
        - name: body
          in: body
          type: object
          required: true
    - name: lists-list_id-merge-fields-merge_id
      path: /lists/{list_id}/merge-fields/{merge_id}
      operations:
      - name: getlistsidmergefieldsid
        method: GET
        description: Mailchimp Get Merge Field
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: list_id
          in: path
          type: string
          description: The unique ID for the list.
          required: true
        - name: merge_id
          in: path
          type: string
          description: The id for the merge field.
          required: true
        - name: exclude_fields
          in: query
          type: array
          description: A comma-separated list of fields to exclude. Reference parameters of sub-objects with dot notation.
        - name: fields
          in: query
          type: array
          description: A comma-separated list of fields to return. Reference parameters of sub-objects with dot notation.
      - name: patchlistsidmergefieldsid
        method: PATCH
        description: Mailchimp Update Merge Field
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: list_id
          in: path
          type: string
          description: The unique ID for the list.
          required: true
        - name: merge_id
          in: path
          type: string
          description: The id for the merge field.
          required: true
        - name: body
          in: body
          type: object
          required: true
      - name: deletelistsidmergefieldsid
        method: DELETE
        description: Mailchimp Delete Merge Field
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: list_id
          in: path
          type: string
          description: The unique ID for the list.
          required: true
        - name: merge_id
          in: path
          type: string
          description: The id for the merge field.
          required: true
  exposes:
  - type: rest
    namespace: marketing-fields-rest
    port: 8080
    description: REST adapter for Mailchimp Marketing API  — Fields. One Spectral-compliant resource per consumed operation,
      prefixed with /v1.
    resources:
    - path: /v1/lists/{list-id}/merge-fields
      name: lists-list-id-merge-fields
      description: REST surface for lists-list_id-merge-fields.
      operations:
      - method: GET
        name: getlistsidmergefields
        description: Mailchimp List Merge Fields
        call: marketing-fields.getlistsidmergefields
        with:
          list_id: rest.list_id
          fields: rest.fields
          exclude_fields: rest.exclude_fields
          count: rest.count
          offset: rest.offset
          type: rest.type
          required: rest.required
        outputParameters:
        - type: object
          mapping: $.
      - method: POST
        name: postlistsidmergefields
        description: Mailchimp Add Merge Field
        call: marketing-fields.postlistsidmergefields
        with:
          list_id: rest.list_id
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/lists/{list-id}/merge-fields/{merge-id}
      name: lists-list-id-merge-fields-merge-id
      description: REST surface for lists-list_id-merge-fields-merge_id.
      operations:
      - method: GET
        name: getlistsidmergefieldsid
        description: Mailchimp Get Merge Field
        call: marketing-fields.getlistsidmergefieldsid
        with:
          list_id: rest.list_id
          merge_id: rest.merge_id
          exclude_fields: rest.exclude_fields
          fields: rest.fields
        outputParameters:
        - type: object
          mapping: $.
      - method: PATCH
        name: patchlistsidmergefieldsid
        description: Mailchimp Update Merge Field
        call: marketing-fields.patchlistsidmergefieldsid
        with:
          list_id: rest.list_id
          merge_id: rest.merge_id
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
      - method: DELETE
        name: deletelistsidmergefieldsid
        description: Mailchimp Delete Merge Field
        call: marketing-fields.deletelistsidmergefieldsid
        with:
          list_id: rest.list_id
          merge_id: rest.merge_id
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: marketing-fields-mcp
    port: 9090
    transport: http
    description: MCP adapter for Mailchimp Marketing API  — Fields. One tool per consumed operation, routed inline through
      this capability's consumes block.
    tools:
    - name: mailchimp-list-merge-fields
      description: Mailchimp List Merge Fields
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: marketing-fields.getlistsidmergefields
      with:
        list_id: tools.list_id
        fields: tools.fields
        exclude_fields: tools.exclude_fields
        count: tools.count
        offset: tools.offset
        type: tools.type
        required: tools.required
      outputParameters:
      - type: object
        mapping: $.
    - name: mailchimp-add-merge-field
      description: Mailchimp Add Merge Field
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: marketing-fields.postlistsidmergefields
      with:
        list_id: tools.list_id
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: mailchimp-get-merge-field
      description: Mailchimp Get Merge Field
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: marketing-fields.getlistsidmergefieldsid
      with:
        list_id: tools.list_id
        merge_id: tools.merge_id
        exclude_fields: tools.exclude_fields
        fields: tools.fields
      outputParameters:
      - type: object
        mapping: $.
    - name: mailchimp-update-merge-field
      description: Mailchimp Update Merge Field
      hints:
        readOnly: false
        destructive: false
        idempotent: true
      call: marketing-fields.patchlistsidmergefieldsid
      with:
        list_id: tools.list_id
        merge_id: tools.merge_id
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: mailchimp-delete-merge-field
      description: Mailchimp Delete Merge Field
      hints:
        readOnly: false
        destructive: true
        idempotent: true
      call: marketing-fields.deletelistsidmergefieldsid
      with:
        list_id: tools.list_id
        merge_id: tools.merge_id
      outputParameters:
      - type: object
        mapping: $.