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Email Auth Checker

SPF, DKIM, DMARC, MTA-STS and domain-expiry checks for any domain, with SPF lookup counts.

Endpoint
Answering
Works in
20 of 21 clients
Tools
4
Last checked
Oct 23, 2026

Does Email Auth Checker work in your MCP client?

Registry name dev.workers.quietworklabs.email-auth-check/email-auth-check, endpoint https://email-auth-check.quietworklabs.workers.dev/mcp.

  • Claude Codeworks
  • Claude Desktopworks
  • Claude.aiworks
  • Claude API MCP connectorworks
  • ChatGPTworks
  • OpenAI Responses APIworks
  • Codexworks
  • Gemini CLIworks
  • Cursorworks
  • VS Code (GitHub Copilot)works
  • Windsurf (Devin Desktop)works
  • Zedworks
  • JetBrains AI Assistantworks
  • Junieunknownno source confirms Junie supports Streamable HTTP
  • Clineworks
  • Continueworks
  • Gooseworks
  • Lovableworks
  • Replit Agentworks
  • Bolt.newworks
  • v0works

How clients sign in

No credentials: it answered lurq's probe without any.

Tools

email_auth_reportspf_lookup_countdmarc_checkdomain_expiry

Get the setup for your client from your agent

This page is a daily snapshot. lurq's connect_check answers for the client you are wiring this server into, with the exact steps and the config to paste in that client's own format, and lurq mcp-pin tells you when the server changes. One command connects Claude Code, Cursor, VS Code and other agents:

npx lurqrun

Free to start. How connect_check works

From lurq's credential-free probe of this server's endpoint on Oct 23, 2026, and each client's own documentation. This page refreshes every 168 hours. How the probe works, and how maintainers opt out.