Mailtrap MCP
M

Mailtrap MCP

The Mailtrap MCP server is a tool for sending transactional emails via Mailtrap
2.5 points
6.6K

What is MCP Mailtrap Server?

MCP Mailtrap Server is an integrated tool that allows users to send transactional emails via the Mailtrap service. It serves as a server implementation of the Model Context Protocol (MCP) and can be easily integrated into development environments such as Claude Desktop, Cursor, or VS Code.

How to use MCP Mailtrap Server?

You just need to configure the MCP server settings in the supported development tools, provide the Mailtrap API token and the default sender email, and then you can send emails via natural language instructions.

Use cases

It is suitable for scenarios where transactional emails need to be simulated or sent in development and testing environments, such as the development and testing of functions like user registration confirmation, password reset, and notification reminders.

Main features

Send emails
Send transactional emails via the Mailtrap API, supporting text and HTML format content
Multi - client support
Supports multiple development tools such as Claude Desktop, Cursor, and VS Code
Environment configuration
Flexibly configure the API key and the default sender address via environment variables
Advantages
Simplify the email sending process without writing complex code
Support integration with multiple development environments
Friendly for testing and will not send real emails
Provide detailed configuration instructions
Limitations
Only support the Mailtrap service and do not support other email service providers
Require a valid Mailtrap API token
Not suitable for use in production environments

How to use

Get the Mailtrap API token
Log in to your Mailtrap account and get the API token in the settings
Configure the development tool
According to the development tool you are using (Claude Desktop, Cursor, or VS Code), add the MCP server settings to the configuration file
Send an email
Send an email via natural language instructions, for example, 'Send an email to test@example.com with the subject of test'

Usage examples

Send a simple notification
Send a simple text notification email to a single recipient
Send an HTML - formatted email
Send a formatted HTML email to multiple recipients

Frequently Asked Questions

How to get the Mailtrap API token?
Why did my email sending fail?
Can it be used in a production environment?
How to view the sent emails?

Related resources

Mailtrap official website
The official website of the Mailtrap service
GitHub repository
Project source code and issue tracking
MCP protocol documentation
The official documentation of the Model Context Protocol

Installation

Copy the following command to your Client for configuration
{
  "mcpServers": {
    "mailtrap": {
      "command": "npx",
      "args": ["-y", "mcp-mailtrap"],
      "env": {
        "MAILTRAP_API_TOKEN": "your_mailtrap_api_token",
        "DEFAULT_FROM_EMAIL": "your_sender@example.com"
      }
    }
  }
}

{
  "mcpServers": {
    "mailtrap": {
      "command": "/Users/<username>/.asdf/shims/npx",
      "args": ["-y", "mcp-mailtrap"],
      "env": {
        "PATH": "/Users/<username>/.asdf/shims:/usr/bin:/bin",
        "ASDF_DIR": "/opt/homebrew/opt/asdf/libexec",
        "ASDF_DATA_DIR": "/Users/<username>/.asdf",
        "ASDF_NODEJS_VERSION": "20.6.1",
        "MAILTRAP_API_TOKEN": "your_mailtrap_api_token",
        "DEFAULT_FROM_EMAIL": "your_sender@example.com"
      }
    }
  }
}

{
  "mcpServers": {
    "mailtrap": {
      "command": "node",
      "args": ["/path/to/mailtrap-mcp/dist/index.js"],
      "env": {
        "MAILTRAP_API_TOKEN": "your_mailtrap_api_token",
        "DEFAULT_FROM_EMAIL": "your_sender@example.com"
      }
    }
  }
}

{
  "mcpServers": {
    "mailtrap": {
      "command": "/Users/<username>/.asdf/shims/node",
      "args": ["/path/to/mailtrap-mcp/dist/index.js"],
      "env": {
        "PATH": "/Users/<username>/.asdf/shims:/usr/bin:/bin",
        "ASDF_DIR": "/opt/homebrew/opt/asdf/libexec",
        "ASDF_DATA_DIR": "/Users/<username>/.asdf",
        "ASDF_NODEJS_VERSION": "20.6.1",
        "MAILTRAP_API_TOKEN": "your_mailtrap_api_token",
        "DEFAULT_FROM_EMAIL": "your_sender@example.com"
      }
    }
  }
}
Note: Your key is sensitive information, do not share it with anyone.

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