MCP server

Mailchimp Transactional MCP Server

Hosted server for Mailchimp Transactional (Mandrill): send email, templates and delivery data. Official: built and maintained by Mailchimp. It runs as a hosted remote server: nothing to install. Setup below for 13 clients (checked 2026-10-25). Repo and registry data checked 2026-10-24.
Maintainer
Official · Mailchimp
Runs
Remote
URL
https://mandrillapp.com/mcp
Connects to
Mailchimp, Mandrill

Install the Mailchimp Transactional MCP Server

Pick your client. Remote first: nothing to install, and you sign in with OAuth where the client supports it. Config shapes checked against each client's docs on 2026-10-25.

Run in a terminal, then /mcp inside Claude Code to sign in. Add --scope project to share it via .mcp.json. docs

claude mcp add --transport http mailchimp-transactional https://mandrillapp.com/mcp

Security notes

  • The remote server runs at mandrillapp.com, hosted by Mailchimp. You sign in with OAuth in clients that support it, and it acts with your account's permissions.
  • Messages it reads can carry prompt-injection instructions, and it can send as you. Keep approval prompts on for sending.
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  • Twilioofficial · ★ 113

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  • Mailgunofficial · ★ 63

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  • Brevoofficial

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  • Frontofficial

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  • Gmailofficial

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Comparing servers for one product? Mailchimp MCP servers · Mandrill MCP servers

FAQ

What does the Mailchimp Transactional MCP Server do?+

Hosted server for Mailchimp Transactional (Mandrill): send email, templates and delivery data.

Is the Mailchimp Transactional MCP server official?+

Official: built and maintained by Mailchimp.

How do I add Mailchimp Transactional to Claude Code?+

Run: claude mcp add --transport http mailchimp-transactional https://mandrillapp.com/mcp, then /mcp inside Claude Code to sign in. Add --scope project to share it with your team through .mcp.json.

How do I use the Mailchimp Transactional MCP server in Cursor or VS Code?+

Open the Cursor or VS Code tab above: it has the mcp.json entry and a one-click install link. Cursor uses the "mcpServers" key; VS Code uses "servers" and needs a type ("http").

Does Mailchimp Transactional work in ChatGPT and claude.ai?+

Yes, it has a remote URL (https://mandrillapp.com/mcp). In claude.ai add it under Customize > Connectors > Add custom connector; in ChatGPT under chatgpt.com/plugins > Add custom MCP server.

What are the alternatives to the Mailchimp Transactional MCP server?+

Other messaging & email MCP servers: X (Twitter), Resend, Twilio, Mailgun and Brevo.

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