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blastengine-mailer MCP Server

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Overview

The blastengine-mailer MCP Server is a TypeScript-based Model Context Protocol (MCP) server designed to implement a sending email system.

To use the blastengine-mailer, install the necessary dependencies, build the server, and configure it with Claude Desktop by adding the server configuration to the appropriate JSON file based on your operating system.

  • Implements a sending email system using the Model Context Protocol. - Provides a send_email tool for sending emails. - Supports auto-rebuild during development.
  1. Sending automated emails from applications.
  2. Integrating email functionality into other MCP-based systems.
  3. Debugging email sending processes using the MCP Inspector.

Add to your AI client

Use these steps to connect blastengine-mailer MCP Server in Cursor, Claude, VS Code, and other MCP-compatible apps. The same JSON appears in the Use with menu above for one-click copy.

Cursor

Add this to your .cursor/mcp.json file in your project root, then restart Cursor.

.cursor/mcp.json

{
  "mcpServers": {
    "mcp-server-blastengine-mailer-r3-yamauchi": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-server-blastengine-mailer-r3-yamauchi"
      ]
    }
  }
}

Claude Desktop

Add this server entry to the mcpServers object in your Claude Desktop config, then restart the app.

~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows)

{
  "mcpServers": {
    "mcp-server-blastengine-mailer-r3-yamauchi": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-server-blastengine-mailer-r3-yamauchi"
      ]
    }
  }
}

Claude Code

Add this to your project's .mcp.json file. Claude Code will detect it automatically.

.mcp.json (project root)

{
  "mcpServers": {
    "mcp-server-blastengine-mailer-r3-yamauchi": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-server-blastengine-mailer-r3-yamauchi"
      ]
    }
  }
}

VS Code (Copilot)

Add this to your .vscode/mcp.json file. Requires the GitHub Copilot extension with MCP support enabled.

.vscode/mcp.json

{
  "servers": {
    "mcp-server-blastengine-mailer-r3-yamauchi": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-server-blastengine-mailer-r3-yamauchi"
      ]
    }
  }
}

Windsurf

Add this to your Windsurf MCP config file, then restart Windsurf.

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "mcp-server-blastengine-mailer-r3-yamauchi": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-server-blastengine-mailer-r3-yamauchi"
      ]
    }
  }
}

Cline

Open Cline settings, navigate to MCP Servers, and add this server configuration.

Cline MCP Settings (via UI)

{
  "mcpServers": {
    "mcp-server-blastengine-mailer-r3-yamauchi": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-server-blastengine-mailer-r3-yamauchi"
      ]
    }
  }
}

FAQ

What is the purpose of the blastengine-mailer?

The blastengine-mailer is designed to facilitate sending emails within applications using the Model Context Protocol.

How do I install the blastengine-mailer?

You can install it by running `npm install` and then build the server with `npm run build`.

Can I debug the server?

Yes, you can use the MCP Inspector for debugging, which provides a URL to access debugging tools in your browser.7:["$","div",null,{"className":"container mx-auto flex flex-col gap-4","children":["$L26","$L27",["$","$L28",null,{"currentProject":{"id":1241,"uuid":"e6dda810-1318-462d-b581-b4b1e35dfa64","name":"mcp-server-blastengine-mailer","title":"blastengine-mailer MCP Server","description":null,"avatar_url":"https://avatars.githubusercontent.com/u/30137684?v=4","created_at":"$D2025-02-20T14:09:50.036Z","updated_at":"$D2025-02-23T07:20:28.254Z","status":"created","author_name":"r3-yamauchi","author_avatar_url":"https://avatars.githubusercontent.com/u/30137684?v=4","tags":"mcp-server,email-sender,typescript","category":"developer-tools","is_featured":false,"sort":1,"url":"https://github.com/r3-yamauchi/mcp-server-blastengine-mailer","target":"_self","content":"$29","summary":"$2a","img_url":null,"type":null,"metadata":null,"user_uuid":null,"tools":null,"sse_url":null,"sse_provider":null,"sse_params":null,"is_official":false,"server_command":null,"server_params":null,"server_config":null,"allow_call":false,"is_innovation":false,"is_dxt":false,"dxt_manifest":null,"dxt_file_url":null,"is_audit":false},"randomProjects":[],"currentServerKey":"$undefined"}]]}]

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