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mcp/harbor
Cursor

Inbox Check — Email Deliverability Test for Cursor

io.github.live-direct-marketing/inbox-check

Email inbox placement tests across Gmail, Outlook, Yahoo, Mail.ru, Yandex (SPF/DKIM/DMARC).

client:Cursor transport:stdio runtime:npm

Install Inbox Check — Email Deliverability Test in Cursor

~/.cursor/mcp.json · windows: %USERPROFILE%\.cursor\mcp.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "inbox-check": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "ldm-inbox-check-mcp"
      ],
      "env": {
        "INBOX_CHECK_API_KEY": "<INBOX_CHECK_API_KEY>",
        "INBOX_CHECK_BASE_URL": "<INBOX_CHECK_BASE_URL>"
      }
    }
  }
}

Use .cursor/mcp.json in a project root instead to scope it to that project. Cursor merges both. Cursor docs

Inbox Check — Email Deliverability Test in other clients

Inbox Check — Email Deliverability Test MCP server