LocalFree server, account needed

Inbox Check MCP server

live-direct-marketing/ldm-inbox-check-mcp

Inbox placement testing across Gmail, Outlook, Yahoo, Mail.ru and Yandex: seed addresses, per-provider placement, SPF/DKIM/DMARC verdicts and screenshots.

2 GitHub stars203 npm downloads / month

Install Inbox Check in Claude Code

Claude Code
claude mcp add inbox-check-email-deliverability-test -e INBOX_CHECK_API_KEY=... -- npx -y ldm-inbox-check-mcp
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "inbox-check-email-deliverability-test": {
      "command": "npx",
      "args": [
        "-y",
        "ldm-inbox-check-mcp"
      ],
      "env": {
        "INBOX_CHECK_API_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Inbox Check MCP server do?

Inbox placement testing across Gmail, Outlook, Yahoo, Mail.ru and Yandex: seed addresses, per-provider placement, SPF/DKIM/DMARC verdicts and screenshots.

Is the Inbox Check MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Inbox Check run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Inbox Check to Claude Code?

Run: claude mcp add inbox-check-email-deliverability-test -e INBOX_CHECK_API_KEY=... -- npx -y ldm-inbox-check-mcp

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