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io.github.geekmarine/mcp-email-auditor

by geekmarine · remote · no sign-in to list tools · v1.0.0 · published by GitHub user geekmarine

Validates domain email MX records and DNS status via Cloudflare DNS-over-HTTPS.

Read only
CompareRegistry entry

1 tool: 1 only read.

Scanned Oct 21, 2026

No check matched anything in the tool definitions. No finding is not a safety guarantee. How the checks work.

claude mcp add --transport http email-auditor https://mcp-mx-validator-worker.stubby76.workers.dev/mcp

Tools

Open a tool for its reasons and full description. Descriptions are the publisher's own words, shown as they are.

1 tool

Only reads 1Claude Code: allow
  • validate_email_domain_mxValidates email MX records, host reachability, and DNS mail exchange priorities using Cloudflare DNS-over-HTTPS.No findings

    Why it is in this group

    • The name "validate_email_domain_mx" says "validate": a word for reading.
    Description, as the server wrote it
    Validates email MX records, host reachability, and DNS mail exchange priorities using Cloudflare DNS-over-HTTPS.

    Annotations the server declares

    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true

This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.

Install

Pinned to version 1.0.0. Values in angle brackets are yours to fill in.

claude mcp add --transport http email-auditor https://mcp-mx-validator-worker.stubby76.workers.dev/mcp

Run in a terminal.

Claude Code permissions

Allow the reads, ask before a change, deny the deletes. Paste into .claude/settings.json.

.claude/settings.json
{
  "permissions": {
    "allow": [
      "mcp__email-auditor__validate_email_domain_mx"
    ],
    "ask": [],
    "deny": []
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. It assumes the server is installed as email-auditor. Review it before you use it.