io.github.jgalea/mailbox-mcp

io.github.jgalea/mailbox-mcp

Multi-account email MCP server for Gmail, IMAP, and JMAP: search, send, drafts, labels.

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "mailbox-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "mailbox-mcp@0.13.1"
      ],
      "env": {
        "MAILBOX_MCP_PASSPHRASE": "<your MAILBOX_MCP_PASSPHRASE>"
      }
    }
  }
}
Environment variables
  • MAILBOX_MCP_PASSPHRASEsecretPassphrase used to encrypt IMAP/JMAP credentials at rest. Required for IMAP and JMAP accounts.

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
0.13.1
Registry
active
Published
10/10/2026

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