Asana Custom Fields API — Custom Fields

naftiko: 1.0.0-alpha2
info:
  label: Asana Custom Fields API — Custom Fields
  description: 'Asana Custom Fields API — Custom Fields. 5 operations. Lead operation: Asana Create a custom field. Self-contained
    Naftiko capability covering one Asana business surface.'
  tags:
  - Asana
  - Custom Fields
  created: '2026-05-19'
  modified: '2026-05-19'
binds:
- namespace: env
  keys:
    ASANA_API_KEY: ASANA_API_KEY
capability:
  consumes:
  - type: http
    namespace: custom-fields-custom-fields
    baseUri: https://app.asana.com/api/1.0
    description: Asana Custom Fields API — Custom Fields business capability. Self-contained, no shared references.
    resources:
    - name: custom_fields
      path: /custom_fields
      operations:
      - name: createcustomfield
        method: POST
        description: Asana Create a custom field
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: true
    - name: custom_fields-custom_field_gid
      path: /custom_fields/{custom_field_gid}
      operations:
      - name: getcustomfield
        method: GET
        description: Asana Get a custom field
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: custom_field_gid
          in: path
          type: string
          description: Globally unique identifier for the custom field.
          required: true
      - name: updatecustomfield
        method: PUT
        description: Asana Update a custom field
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: custom_field_gid
          in: path
          type: string
          required: true
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: true
      - name: deletecustomfield
        method: DELETE
        description: Asana Delete a custom field
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: custom_field_gid
          in: path
          type: string
          required: true
    - name: workspaces-workspace_gid-custom_fields
      path: /workspaces/{workspace_gid}/custom_fields
      operations:
      - name: getcustomfieldsforworkspace
        method: GET
        description: Asana Get a workspace's custom fields
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: workspace_gid
          in: path
          type: string
          required: true
        - name: limit
          in: query
          type: integer
        - name: offset
          in: query
          type: string
    authentication:
      type: bearer
      token: '{{env.ASANA_API_KEY}}'
  exposes:
  - type: rest
    namespace: custom-fields-custom-fields-rest
    port: 8080
    description: REST adapter for Asana Custom Fields API — Custom Fields. One Spectral-compliant resource per consumed operation,
      prefixed with /v1.
    resources:
    - path: /v1/custom-fields
      name: custom-fields
      description: REST surface for custom_fields.
      operations:
      - method: POST
        name: createcustomfield
        description: Asana Create a custom field
        call: custom-fields-custom-fields.createcustomfield
        with:
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/custom-fields/{custom-field-gid}
      name: custom-fields-custom-field-gid
      description: REST surface for custom_fields-custom_field_gid.
      operations:
      - method: GET
        name: getcustomfield
        description: Asana Get a custom field
        call: custom-fields-custom-fields.getcustomfield
        with:
          custom_field_gid: rest.custom_field_gid
        outputParameters:
        - type: object
          mapping: $.
      - method: PUT
        name: updatecustomfield
        description: Asana Update a custom field
        call: custom-fields-custom-fields.updatecustomfield
        with:
          custom_field_gid: rest.custom_field_gid
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
      - method: DELETE
        name: deletecustomfield
        description: Asana Delete a custom field
        call: custom-fields-custom-fields.deletecustomfield
        with:
          custom_field_gid: rest.custom_field_gid
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/workspaces/{workspace-gid}/custom-fields
      name: workspaces-workspace-gid-custom-fields
      description: REST surface for workspaces-workspace_gid-custom_fields.
      operations:
      - method: GET
        name: getcustomfieldsforworkspace
        description: Asana Get a workspace's custom fields
        call: custom-fields-custom-fields.getcustomfieldsforworkspace
        with:
          workspace_gid: rest.workspace_gid
          limit: rest.limit
          offset: rest.offset
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: custom-fields-custom-fields-mcp
    port: 9090
    transport: http
    description: MCP adapter for Asana Custom Fields API — Custom Fields. One tool per consumed operation, routed inline through
      this capability's consumes block.
    tools:
    - name: asana-create-custom-field
      description: Asana Create a custom field
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: custom-fields-custom-fields.createcustomfield
      with:
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: asana-get-custom-field
      description: Asana Get a custom field
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: custom-fields-custom-fields.getcustomfield
      with:
        custom_field_gid: tools.custom_field_gid
      outputParameters:
      - type: object
        mapping: $.
    - name: asana-update-custom-field
      description: Asana Update a custom field
      hints:
        readOnly: false
        destructive: false
        idempotent: true
      call: custom-fields-custom-fields.updatecustomfield
      with:
        custom_field_gid: tools.custom_field_gid
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: asana-delete-custom-field
      description: Asana Delete a custom field
      hints:
        readOnly: false
        destructive: true
        idempotent: true
      call: custom-fields-custom-fields.deletecustomfield
      with:
        custom_field_gid: tools.custom_field_gid
      outputParameters:
      - type: object
        mapping: $.
    - name: asana-get-workspace-s-custom-fields
      description: Asana Get a workspace's custom fields
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: custom-fields-custom-fields.getcustomfieldsforworkspace
      with:
        workspace_gid: tools.workspace_gid
        limit: tools.limit
        offset: tools.offset
      outputParameters:
      - type: object
        mapping: $.