MCP Server

Eusend MCP Server

Name: Eusend MCP Server
Author: dev.eusend

dev.eusend/eusend

Registry

What is the Eusend MCP server?

Send transactional email and manage domains, audiences, and broadcasts from any MCP client.

How to install Eusend

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

EUSEND_API_KEY
required
secret
Eusend API key. Use an eu_test_ key to trial calls without delivering mail.
EUSEND_FROM
Default sender address, so the assistant does not guess an unverified one.
EUSEND_REPLY_TO
Default reply-to address used when a send omits one.
Authorization
required
secret
Bearer token carrying your eusend API key.

Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "eusend": {
      "command": "npx",
      "args": [
        "-y",
        "@eusend_dev/mcp"
      ],
      "env": {
        "EUSEND_API_KEY": "<YOUR_EUSEND_API_KEY>",
        "EUSEND_FROM": "<YOUR_EUSEND_FROM>",
        "EUSEND_REPLY_TO": "<YOUR_EUSEND_REPLY_TO>",
        "Authorization": "<YOUR_AUTHORIZATION>"
      }
    }
  }
}

Cursor

~/.cursor/mcp.json

{
  "mcpServers": {
    "eusend": {
      "command": "npx",
      "args": [
        "-y",
        "@eusend_dev/mcp"
      ],
      "env": {
        "EUSEND_API_KEY": "<YOUR_EUSEND_API_KEY>",
        "EUSEND_FROM": "<YOUR_EUSEND_FROM>",
        "EUSEND_REPLY_TO": "<YOUR_EUSEND_REPLY_TO>",
        "Authorization": "<YOUR_AUTHORIZATION>"
      }
    }
  }
}

Windsurf

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "eusend": {
      "command": "npx",
      "args": [
        "-y",
        "@eusend_dev/mcp"
      ],
      "env": {
        "EUSEND_API_KEY": "<YOUR_EUSEND_API_KEY>",
        "EUSEND_FROM": "<YOUR_EUSEND_FROM>",
        "EUSEND_REPLY_TO": "<YOUR_EUSEND_REPLY_TO>",
        "Authorization": "<YOUR_AUTHORIZATION>"
      }
    }
  }
}

VS Code

.vscode/mcp.json

{
  "servers": {
    "eusend": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@eusend_dev/mcp"
      ],
      "env": {
        "EUSEND_API_KEY": "<YOUR_EUSEND_API_KEY>",
        "EUSEND_FROM": "<YOUR_EUSEND_FROM>",
        "EUSEND_REPLY_TO": "<YOUR_EUSEND_REPLY_TO>",
        "Authorization": "<YOUR_AUTHORIZATION>"
      }
    }
  }
}

Claude Code

claude mcp add eusend --env EUSEND_API_KEY=<YOUR_EUSEND_API_KEY> --env EUSEND_FROM=<YOUR_EUSEND_FROM> --env EUSEND_REPLY_TO=<YOUR_EUSEND_REPLY_TO> --env Authorization=<YOUR_AUTHORIZATION> -- npx -y @eusend_dev/mcp