Buttondown · Capability

Buttondown API — Subscribers

Buttondown API — Subscribers. 5 operations. Lead operation: List all subscribers. Self-contained Naftiko capability covering one Buttondown business surface.

Run with Naftiko ButtondownSubscribers

What You Can Do

GET

Listsubscribers — List all subscribers

/v1/subscribers

POST

Createsubscriber — Create a subscriber

/v1/subscribers

GET

Getsubscriber — Retrieve a subscriber

/v1/subscribers/{id}

PATCH

Updatesubscriber — Update a subscriber

/v1/subscribers/{id}

DELETE

Deletesubscriber — Delete a subscriber

/v1/subscribers/{id}

MCP Tools

list-all-subscribers

List all subscribers

read-only idempotent

create-subscriber

Create a subscriber

retrieve-subscriber

Retrieve a subscriber

read-only idempotent

update-subscriber

Update a subscriber

idempotent

delete-subscriber

Delete a subscriber

idempotent

Capability Spec

naftiko: 1.0.0-alpha2
info:
  label: Buttondown API — Subscribers
  description: 'Buttondown API — Subscribers. 5 operations. Lead operation: List all subscribers. Self-contained Naftiko capability
    covering one Buttondown business surface.'
  tags:
  - Buttondown
  - Subscribers
  created: '2026-05-19'
  modified: '2026-05-19'
binds:
- namespace: env
  keys:
    BUTTONDOWN_API_KEY: BUTTONDOWN_API_KEY
capability:
  consumes:
  - type: http
    namespace: buttondown-subscribers
    baseUri: https://api.buttondown.email/v1
    description: Buttondown API — Subscribers business capability. Self-contained, no shared references.
    resources:
    - name: subscribers
      path: /subscribers
      operations:
      - name: listsubscribers
        method: GET
        description: List all subscribers
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
      - name: createsubscriber
        method: POST
        description: Create a subscriber
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: true
    - name: subscribers-id
      path: /subscribers/{id}
      operations:
      - name: getsubscriber
        method: GET
        description: Retrieve a subscriber
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
      - name: updatesubscriber
        method: PATCH
        description: Update a subscriber
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: true
      - name: deletesubscriber
        method: DELETE
        description: Delete a subscriber
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    authentication:
      type: apikey
      key: Authorization
      value: '{{env.BUTTONDOWN_API_KEY}}'
      placement: header
  exposes:
  - type: rest
    namespace: buttondown-subscribers-rest
    port: 8080
    description: REST adapter for Buttondown API — Subscribers. One Spectral-compliant resource per consumed operation, prefixed
      with /v1.
    resources:
    - path: /v1/subscribers
      name: subscribers
      description: REST surface for subscribers.
      operations:
      - method: GET
        name: listsubscribers
        description: List all subscribers
        call: buttondown-subscribers.listsubscribers
        outputParameters:
        - type: object
          mapping: $.
      - method: POST
        name: createsubscriber
        description: Create a subscriber
        call: buttondown-subscribers.createsubscriber
        with:
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/subscribers/{id}
      name: subscribers-id
      description: REST surface for subscribers-id.
      operations:
      - method: GET
        name: getsubscriber
        description: Retrieve a subscriber
        call: buttondown-subscribers.getsubscriber
        outputParameters:
        - type: object
          mapping: $.
      - method: PATCH
        name: updatesubscriber
        description: Update a subscriber
        call: buttondown-subscribers.updatesubscriber
        with:
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
      - method: DELETE
        name: deletesubscriber
        description: Delete a subscriber
        call: buttondown-subscribers.deletesubscriber
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: buttondown-subscribers-mcp
    port: 9090
    transport: http
    description: MCP adapter for Buttondown API — Subscribers. One tool per consumed operation, routed inline through this
      capability's consumes block.
    tools:
    - name: list-all-subscribers
      description: List all subscribers
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: buttondown-subscribers.listsubscribers
      outputParameters:
      - type: object
        mapping: $.
    - name: create-subscriber
      description: Create a subscriber
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: buttondown-subscribers.createsubscriber
      with:
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: retrieve-subscriber
      description: Retrieve a subscriber
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: buttondown-subscribers.getsubscriber
      outputParameters:
      - type: object
        mapping: $.
    - name: update-subscriber
      description: Update a subscriber
      hints:
        readOnly: false
        destructive: false
        idempotent: true
      call: buttondown-subscribers.updatesubscriber
      with:
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: delete-subscriber
      description: Delete a subscriber
      hints:
        readOnly: false
        destructive: true
        idempotent: true
      call: buttondown-subscribers.deletesubscriber
      outputParameters:
      - type: object
        mapping: $.