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Claude Desktop

Mailbuttons (mbag.ai) for Claude Desktop

com.mailbuttons/mcp-server

Governed email for AI agents (Mailbuttons / mbag.ai): sandbox inboxes, policy gate, audit log.

client:Claude Desktop transport:streamable-http runtime:npm

Install Mailbuttons (mbag.ai) in Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json

{
  "mcpServers": {
    "mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://mailbuttons.com/api/v1/mcp/rpc"
      ]
    }
  }
}

Claude Desktop has no remote transport in its config file, so this bridges through mcp-remote. Restart the app after saving. Claude Desktop docs

Mailbuttons (mbag.ai) in other clients