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Email sending MCP 💌

@ykhli

Repository

About Email sending MCP 💌

The official MCP server to send emails and interact with Resend

#email#mcp#cursor

Basic information

Category

Communication

License

MIT

Runtime

node

Transports

stdio

Publisher

ykhli

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "mcp-send-email": {
      "command": "npx",
      "args": [
        "add-mcp",
        "resend-mcp",
        "--name",
        "resend",
        "--env",
        "RESEND_API_KEY=re_xxxxxxxxx"
      ]
    }
  }
}

Tools

No tools detected

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is Email sending MCP 💌?

The Email sending MCP 💌 server connects AI agents to the Resend platform, enabling them to send and receive emails, manage contacts, broadcasts, domains, and more. It works with any MCP client like Claude, Cursor, or Claude Code and is offered both as a remote hosted server and a local npm package.

How to use Email sending MCP 💌?

Use the remote server at https://mcp.resend.com/mcp with OAuth login, or install the local server via npx -y resend-mcp with a Resend API key (set RESEND_API_KEY environment variable). The local server supports stdio (default) and HTTP transport modes. For web‑based clients, simply add the remote URL as a custom connector.

Key features of Email sending MCP 💌

  • Send, list, get, cancel, update, and batch emails
  • Receive and download inbound emails and attachments
  • Create, manage, and send broadcast campaigns
  • Manage contacts, segments, topics, and custom properties
  • Handle automations, events, and domain verification
  • Inspect API logs with full request/response bodies

Use cases of Email sending MCP 💌

  • AI‑powered transactional email sending from any MCP client
  • Automated audience segmentation and contact list management
  • Triggered email campaigns using automations and events
  • Inbound email processing and attachment handling
  • Email template creation, collaboration via visual editor

FAQ from Email sending MCP 💌

How do I authenticate with the remote server?

The remote server uses OAuth via a browser login. For headless clients, pass a Resend API key as a Bearer token in the Authorization header.

Can I run the server locally instead of using Resend’s hosted version?

Yes. Install resend-mcp via npx and configure it with your API key. It supports both stdio and HTTP transport modes.

What transport modes are available for the local server?

Stdio (default) and HTTP (Streamable HTTP). Use --http and --port flags to run the HTTP server on a custom port.

Do I need a verified domain to send emails?

Yes, you must verify a domain in Resend. You can also use the default [email protected] sender for testing.

What happens if I don’t set a default sender email address?

The server will ask for the sender email each time you call the send tool. You can set a default using SENDER_EMAIL_ADDRESS or the --sender option.

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