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Resend MCP

Model Context Protocol Integration

Overview

This is a simple MCP server that sends emails using Resend's API. Why? Now you can let Cursor or Claude Desktop compose emails for you and send it right away without having to copy and paste the email content.

Resend Features

  • Send emails directly from Cursor or Claude Desktop
  • Support for HTML email content
  • Configurable sender email address
  • Multiple reply-to addresses support
  • Direct integration with Resend API
  • Natural language interface for email composition

Resend Setup & Configuration

Requirements

  • Node.js
  • Resend API key
  • Authorized sender domain or email in Resend
  • Cursor IDE or Claude Desktop

Installation Instructions

# Local Build
git clone https://github.com/resend/mcp-send-email.git
cd mcp-send-email
npm install
npm run build

# Configure Sender Email
Edit index.ts and replace the default email with your authorized sender email

Configuration

# Cursor Settings (MCP Server Configuration)
Name = resend
Type = command
Command: node ABSOLUTE_PATH_TO_MCP_SERVER/build/index.js --key=YOUR_RESEND_API_KEY --sender=OPTIONAL_SENDER_EMAIL_ADDRESS --reply-to=OPTIONAL_REPLY_TO_EMAIL_ADDRESS

# Claude Desktop Configuration
{
  "mcpServers": {
    "resend": {
      "command": "node",
      "args": ["ABSOLUTE_PATH_TO_MCP_SERVER/build/index.js"],
      "env": {
        "RESEND_API_KEY": "your_api_key",
        "SENDER_EMAIL_ADDRESS": "optional_sender_email",
        "REPLY_TO_EMAIL_ADDRESSES": "optional_reply_to_emails_comma_delimited"
      }
    }
  }
}

Resend Available Tools

  • send_email

Resend Required Inputs

RESEND_API_KEY

Type
string
Description
Your Resend API key for authentication
Required
Yes

SENDER_EMAIL_ADDRESS

Type
string
Description
Authorized sender email address
Required
No

REPLY_TO_EMAIL_ADDRESSES

Type
string
Description
Comma-separated list of reply-to email addresses
Required
No

to

Type
string
Description
Recipient email address
Required
Yes

subject

Type
string
Description
Email subject line
Required
Yes

html

Type
string
Description
HTML content of the email
Required
Yes

Resend Use Cases

  • Automated email sending from AI conversations
  • Quick email composition and sending without context switching
  • Sending formatted HTML emails
  • Business communication automation
  • Email workflow integration
  • Newsletter distribution
  • Automated notifications and alerts

Frequently Asked Questions

This is a simple MCP server that sends emails using Resend's API. Why? Now you can let Cursor or Claude Desktop compose emails for you and send it right away without having to copy and paste the email content.
Node.js, Resend API key, Authorized sender domain or email in Resend, Cursor IDE or Claude DesktopView detailed requirements
Follow the installation instructions in the setup section above.View installation guide

Resend MCP provides the following tools:

  • send_email