About

Email Sender Server enables sending emails via SMTP through a simple MCP tool interface. It allows AI agents and applications to programmatically send email messages using any SMTP-compatible email service. Key features of Email Sender Server: - Send emails via SMTP using the `send_email` tool with recipient, subject, and body parameters - Support for both plain text and HTML email content - Compatible with any SMTP provider including Gmail, Outlook, and custom mail servers - Configurable through environment variables for SMTP host, port, credentials, and sender address - Built on nodemailer for reliable email delivery

README

Email MCP Server

This project provides a Model Context Protocol (MCP) server for sending emails via a single tool, send_email.

Features

Exposes a single MCP tool: send_email (send an email via SMTP)

Uses nodemailer for SMTP email delivery

Environment Variables

Set the following environment variables before running the server:

SMTP_HOST (required): SMTP server hostname

SMTP_PORT (optional, default: 587): SMTP server port

SMTP_SECURE (optional, default: false): Set to true for port 465, otherwise false

SMTP_USER (required): SMTP username

SMTP_PASS (required): SMTP password

SMTP_FROM (optional): Sender email address (defaults to SMTP_USER)

Installation

npm install

Running the Server

npm start

The server will start and listen for MCP requests on stdio.

Integration with Claude Desktop

To integrate this server with Claude Desktop, add the following to your claude_desktop_config.json:

{
    "mcpServers": {
        "email-mcp": {
            "command": "node",
            "args": [
                "D:\\projects\\Bitsol Projects\\email-mcp\\dist\\src\\index.js"
            ],
            "env": {
                "SMTP_HOST": "smtp.gmail.com",
                "SMTP_PORT": "587",
                "SMTP_SECURE": "false",
                "SMTP_USER": "",
                "SMTP_PASS": ""
            }
        }
    }
}

Replace ` and with your actual SMTP credentials.

`Tool: send_email`

`Arguments`

to (string, required): Recipient email address

subject (string, required): Subject of the email

text (string, required): Plain text body of the email

html` (string, optional): HTML body of the email

Example Call

{
  "name": "send_email",
  "arguments": {
    "to": "recipient@example.com",
    "subject": "Hello",
    "text": "This is a test email."
  }
}

Email Sender Server

About

README

Email MCP Server

Features

Environment Variables

Installation

Running the Server

Integration with Claude Desktop

`Tool: send_email`

`Arguments`

Example Call

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