Moosend MCP server

What the model can do

Moosend (Sitecore Send) email marketing: mailing lists with member counts, a list's subscribers by status, one subscriber by email, campaigns with sends, opens, clicks, bounces and unsubscribes, and a campaign's result summary. Can add a new subscriber to a list, unsubscribe or remove one, create a list, create, clone or delete a draft campaign, send a test, and send a campaign, when you ask.

Reads

• moosend_list_mailing_listsMoosend mailing lists: id, name, active, unsubscribed, bounced and removed member counts, created and updated dates, and custom field names.
• moosend_get_mailing_listOne Moosend mailing list by id, with member counts and its custom field names.
• moosend_list_subscribersSubscribers of one Moosend mailing list with a given status: name, email, subscribed, updated, unsubscribed and removed dates.
• moosend_find_subscriberOne subscriber of a Moosend mailing list by email address: name, subscribed, updated and unsubscribed dates.
• moosend_list_campaignsMoosend campaigns: name, subject, status, created, delivered and scheduled dates, recipients, sends, opens, clicks, bounces…
• moosend_get_campaignOne Moosend campaign by id: its details and its result summary (sends, opens, clicks, bounces, unsubscribes, complaints, forwards).

Acts, when you ask

These change something in Moosend. The model is told to use them only when you ask for exactly that, and each one is granted by name: per team on a shared connection, by the owner on a personal one.

• moosend_add_subscriberAdds a new subscriber (email, optional name) to one Moosend mailing list.
• moosend_unsubscribe_subscriberUnsubscribes an email address from one Moosend mailing list, so the list's campaigns stop reaching it.
• moosend_remove_subscriberRemoves an email address from one Moosend mailing list (archived there, not put on the suppression list).
• moosend_create_mailing_listCreates an empty Moosend mailing list with a name.
• moosend_create_draft_campaignCreates a draft Moosend campaign: name, subject, sender and reply-to (both senders in the account), the HTML or a web page to take it from…
• moosend_clone_campaignCopies an existing Moosend campaign as a new draft.
• moosend_send_test_campaignSends a test of a Moosend draft campaign to up to five addresses the user names.
• moosend_send_campaignSends a Moosend draft campaign now to every active subscriber of its mailing lists or segment.
• moosend_delete_campaignPermanently deletes a Moosend campaign, draft or sent, with its reports.

Connect it

First connect Moosend on Dashboard → Connections, then add Memtro to your client once. The Moosend tools appear alongside the tools of everything else you have connected; nothing is configured per connector.

claude plugin marketplace add memtro-org/claude-memtro
claude plugin install memtro@memtro --config api_key=sk-memtro-...

{
  "mcpServers": {
    "memtro": {
      "url": "https://platform.memtro.com/api/mcp",
      "headers": {
        "Authorization": "Bearer sk-memtro-..."
      }
    }
  }
}

{
  "mcp": {
    "memtro": {
      "type": "remote",
      "url": "https://platform.memtro.com/api/mcp",
      "headers": {
        "Authorization": "Bearer sk-memtro-..."
      }
    }
  }
}

Who may use it

The key identifies the person, and the server offers that person the tools they may use everywhere else in Memtro. A shared Moosend connection is used by the teams an administrator granted it to, tool by tool, on the Permissions page; a personal connection is used by its owner alone, and its tools that act stay off until the owner allows them. See Teams and permissions and Connectors.

Ask it like this

• › How did last month's newsletter do on opens and clicks?
• › Is dan@northwind.example still subscribed to the customers list?
• › Which campaign had the most bounces this quarter?
• › Unsubscribe priya@brightwave.example from the product updates list
• › Send a test of the June newsletter draft to me

Questions

Is this an official Moosend MCP server?

No. It is Memtro's MCP server with Memtro's Moosend connector behind it: the connector reads Moosend through its API with the credentials you connect on Dashboard → Connections, and Moosend publishes nothing here. The same endpoint carries every other system you connect and Memtro's memory tools.

What does it cost?

Nothing on top of Memtro. One price per organisation by its number of users, from $50 a month for up to 10 users after a 7-day free trial, with every connector, the MCP server, jobs and memory included. You bring your own model keys.

Can it change anything in Moosend?

Only when you ask, and only what it has been granted: add a new subscriber to a mailing list (refused when already a member); unsubscribe a subscriber from a mailing list; remove a subscriber from a mailing list; create a mailing list; create a draft campaign; clone a campaign as a new draft; send a test of a campaign; send a campaign; delete a campaign. Every other tool reads, searches or lists. An administrator grants each acting tool by name per team, and a personal connection acts only after its owner allows it.

Which clients work?

Any MCP client that speaks Streamable HTTP: Claude Code, Cursor, Claude Desktop, OpenCode, Codex, Zed, Windsurf, Cline and the Anthropic and OpenAI SDKs. There is no local process to run; the server is remote and authenticated with your key.

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