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Buttondown MCP server

Automate your Buttondown newsletter workflows.

Buttondown is not a separate install. One Activepieces MCP server exposes it alongside 760+ other apps, behind a single URL.

Start building See the Buttondown integration
Tools
4
Works with
Any MCP client
Auth
API key
License
MIT, open source
Updated
August 2026

About the Buttondown MCP server

Connect Buttondown once in Activepieces and every action it ships becomes a tool your assistant can call, behind the same server URL as the rest of your apps. Your agent reaches Buttondown and 760+ other apps over a single connection, on our cloud or a self-hosted install.

Tools

Buttondown tools your AI can run

Once connected, your assistant can call any of these Buttondown actions by asking in plain language.

  • Create Subscriber

    Create a new subscriber in Buttondown.

    13 fields

  • List Subscribers

    Retrieve subscribers from Buttondown.

    8 fields

  • Send Email

    Send an email to your Buttondown subscribers.

    12 fields

  • Custom API Call

    Make a custom API call to a specific endpoint

    10 fields

Triggers

Buttondown events your agent can watch

These start a run the moment something happens in Buttondown, so work gets picked up on its own.

  • New Subscriber

    Triggers when a new subscriber is created.

    2 fields

  • Subscriber Confirmed

    Triggers when a subscriber confirms their email.

    2 fields

  • Email Sent

    Triggers when an email is sent from Buttondown.

    2 fields

Give your assistant Buttondown

Connect Buttondown once and every tool above is callable from Claude, Cursor or any MCP client, behind the same server URL as 760+ other apps. Free to start.

Get your server URLTalk to sales

Buttondown MCP, answered.

No. That is the point of it. One Activepieces server exposes Buttondown alongside every other piece you connect, so your client keeps a single connection.

Yes. Activepieces is open source and free to start, and the MCP server is included on every plan, from the free cloud tier to any self-hosted deployment.

Connect Buttondown in Activepieces, enable the server under Settings → MCP Server, then paste your server URL into your client config. It authenticates over OAuth on first use.

It can call 4 tools, including Create Subscriber, List Subscribers, Send Email, and chain them with steps in other apps inside the same run.

Connections use OAuth2 with limited scopes and are stored under 256-bit encryption, with no API to read them back, so an agent gets scoped access rather than your keys.

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