I

Inbox

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

Client Configuration

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

System Overview

Provides IMAP/SMTP email access to MCP-capable agents, featuring a fast local cache and real-time updates via IMAP IDLE.

Indexed Date

7/23/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for Inbox

Inbox supports a broad range of IMAP/SMTP providers, including popular services like Gmail (with app passwords), Outlook, Fastmail, iCloud, and Proton Mail (by connecting via Proton Mail Bridge).

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