Mailchimp MCP Server

Instructions

Implementation Reference

• mcp_mailchimp/server.py:132-161 (handler)

  The implementation of the create_campaign tool, which handles the request to create a new email campaign in Mailchimp.

  async def create_campaign(
      list_id: str,
      subject_line: str,
      from_name: str,
      reply_to: str,
      title: str = "",
      preview_text: str = "",
      campaign_type: str = "regular",
  ) -> str:
      """Create a new email campaign. Returns the campaign ID. Type: regular, plaintext, absplit, rss."""
      mc = get_client()
      body: dict[str, Any] = {
          "type": campaign_type,
          "recipients": {"list_id": list_id},
          "settings": {
              "subject_line": subject_line,
              "from_name": from_name,
              "reply_to": reply_to,
              "title": title or subject_line,
          },
      }
      if preview_text:
          body["settings"]["preview_text"] = preview_text
      c = await mc.post("/campaigns", json=body)
      return _fmt({
          "id": c["id"],
          "status": c.get("status", ""),
          "title": c.get("settings", {}).get("title", ""),
          "message": "Campaign created successfully.",
      })