M

Mailbox

Verified Integration
Author: @jgaleaCategory: ServerApplication
JSON-RPC 2.0
Protocol Standard
Sub-second
Execution Latency
Active
Operational Status

Client Configuration

— Connect Mailbox to Claude Desktop or Cursor in seconds
{
  "mcpServers": {
    "mailbox": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mailbox"
      ],
      "env": {}
    }
  }
}
Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).
Architecture & Capabilities

System Overview

Integrates multi-account, multi-provider email access and management capabilities directly into AI tools.

Indexed Date

7/23/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for Mailbox

Mailbox MCP offers broad compatibility, supporting both Gmail (with full API access for advanced features like filters and templates) and any standard IMAP/SMTP provider, including services like Fastmail, ProtonMail, corporate mail servers, and self-hosted solutions.

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