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mcp/harbor
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Inbox Check — Email Deliverability Test MCP

v0.1.2

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

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

transport:stdio runtime:npm
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Target client

run in your project directory

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

claude mcp add inbox-check -e INBOX_CHECK_API_KEY=<INBOX_CHECK_API_KEY> -e INBOX_CHECK_BASE_URL=<INBOX_CHECK_BASE_URL> -- npx -y ldm-inbox-check-mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

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