MailSandbox

Popular

Web

MailSandbox (a fork of Mailpit) is a fast, zero-dependency email testing tool & API with a web UI, SMTP server, Postmark API emulation, and MCP server for AI-assisted debugging.

One-Click Installation

Other IDEs & Manual Setup

1
Windsurf

To use this MCP in Windsurf, open your ~/.codeium/windsurf/mcp_config.json and add the following entry:

2
Cline / Roo Code

For Cline (VS Code extension), add the configuration to your MCP settings file, usually located at:~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json

JSON Configuration
{
  "mcpServers": {
    "mailsandbox": {
      "command": "npx",
      "args": [
        "-y",
        "@btafoya/mailsandbox"
      ],
      "env": {}
    }
  }
}

Metadata

Package Name
@btafoya/mailsandbox
Command
npx
Community Trust
118 votes