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io.github.lazymac2x/email-validator

by lazymac2x · remote · no sign-in to list tools · v1.0.0 · published by GitHub user lazymac2x

Cloudflare Workers MCP server: email-validator

Changes · 2
CompareRegistry entry

4 tools: 2 change things and 2 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-validator https://api.lazy-mac.com/email-validator/mcp

Tools

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

4 tools

Changes things 2Claude Code: ask
  • check_domainCheck domain reputation: MX records, SPF, DKIM, disposable detection, A record existence, and overall reputation score.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Check domain reputation: MX records, SPF, DKIM, disposable detection, A record existence, and overall reputation score.
  • suggest_fixDetect common email typos and suggest corrections (e.g.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Detect common email typos and suggest corrections (e.g. user@gmial.com -> user@gmail.com). Covers Gmail, Yahoo, Hotmail, Outlook, iCloud, Protonmail, and more.
Only reads 2Claude Code: allow
  • validate_batchBatch validate up to 100 email addresses at once.No findings

    Why it is in this group

    • The name "validate_batch" says "validate": a word for reading.
    Description, as the server wrote it
    Batch validate up to 100 email addresses at once. Returns individual results plus summary stats.
  • validate_emailValidate a single email address with comprehensive checks: syntax (RFC 5322), MX records, disposable domain detection, role-based detection, SPF/DKIM, typo suggestions, and risk sc…No findings

    Why it is in this group

    • The name "validate_email" says "validate": a word for reading.
    Description, as the server wrote it
    Validate a single email address with comprehensive checks: syntax (RFC 5322), MX records, disposable domain detection, role-based detection, SPF/DKIM, typo suggestions, and risk scoring (0-100).

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-validator https://api.lazy-mac.com/email-validator/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-validator__validate_email",
      "mcp__email-validator__validate_batch"
    ],
    "ask": [
      "mcp__email-validator__check_domain",
      "mcp__email-validator__suggest_fix"
    ],
    "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-validator. Review it before you use it.