MCP.Market

Email Validator MCP server

online · 100% uptime
by lazymac2x·io.github.lazymac2x/email-validator·v1.0.0
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Cloudflare Workers MCP server: email-validator

C69/100grade C
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Safety scan
C69/100

full report

Adoption
New

0 stars

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Email Validator tools (4, 1 write)

write = sends, deletes, buys or posts
  • check_domainFree

    Check domain reputation: MX records, SPF, DKIM, disposable detection, A record existence, and overall reputation score.

  • suggest_fixFree

    Detect common email typos and suggest corrections (e.g. user@gmial.com -> user@gmail.com). Covers Gmail, Yahoo, Hotmail, Outlook, iCloud, Protonmail, and more.

  • validate_batchFree

    Batch validate up to 100 email addresses at once. Returns individual results plus summary stats.

  • validate_emailwrite actionFree

    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).

Public scan report

scanner v0.1.9 · 2026-09-27 · same rubric, same numbers if you re-run it

1 high
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 259ms20/20
  • Tool poisoning4 tool descriptions checked15/15
  • Auth qualityopen endpoint exposes 1 write-action tools with no auth3/15
  • Maintenancelast push 170 days ago8/15
  • Maintainer identityregistry namespace matches repository owner6/10

Findings (1)

  • highWrite-action tools reachable without authenticationauth.open-write
Overall 69/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Email Validator compares

Against every graded Email MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
69/100
higher than 38% of 916 Email servers
Tools
4
the typical Email server has 7
Tools that change things
25%
typical: 25%. Fewer write tools means less an agent can break
Uptime
100%
of our recent checks; the typical remote Email server answers 100%
Response time
37 ms
faster than 95% of 609 Email servers

What its tools let an agent do: 3 read · 1 change

Install Email Validator in Claude Code, Cursor or VS Code

claude mcp add --transport http email-validator https://api.lazy-mac.com/email-validator/mcp
Add to Cursor

What the publisher says

From the Email Validator repository's README, as published. We do not edit it. Read it on GitHub

email-validator-api

⭐ Building in public from $0 MRR. Star if you want to follow the journey — lazymac-mcp (42 tools, one MCP install) · lazymac-k-mcp (Korean wedge) · lazymac-sdk (TS client) · api.lazy-mac.com · Pro $29/mo.

🚀 Want all 42 lazymac tools through ONE MCP install? npx -y @lazymac/mcp · Pro $29/mo for unlimited calls.

Comprehensive email validation API — syntax (RFC 5322), MX record lookup, disposable domain detection, role-based detection, SPF/DKIM checks, typo suggestions, and risk scoring (0-100). REST + MCP server.

Quick Start

npm install && npm start  # http://localhost:3100

Endpoints

Validate Email

curl -X POST http://localhost:3100/validate \
  -H "Content-Type: application/json" \
  -d '{"email": "user@gmail.com"}'
# → {email, syntax, role, disposable, mx, domain, spf, dkim, typo, risk, deliverable}

Batch Validate (up to 100)

curl -X POST http://localhost:3100/validate/batch \
  -H "Content-Type: application/json" \
  -d '{"emails": ["a@gmail.com", "b@fake.xyz"]}'
# → {total, valid, invalid, results}

Domain Check

curl -X POST http://localhost:3100/domain \
  -H "Content-Type: application/json" \
  -d '{"domain": "gmail.com"}'
# → {domain, exists, mx, spf, dkim, is_disposable, is_free_provider, reputation_score}

Typo Suggestion

curl -X POST http://localhost:3100/suggest \
  -H "Content-Type: application/json" \
  -d '{"email": "user@gmial.com"}'
# → {original, has_suggestion, suggested: "user@gmail.com", reason}

MCP (JSON-RPC 2.0)

curl -X POST http://localhost:3100/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list","params":{}}'

MCP Tools: validateemail, validatebatch, checkdomain, suggestfix

License

MIT

Related projects

  • 🧰 lazymac-mcp — Single MCP server exposing 15+ lazymac APIs as tools for Claude Code, Cursor, Windsurf
  • ✅ lazymac-api-healthcheck-action — Free GitHub Action to ping any URL on a cron and fail on non-2xx
  • 🌐 api.lazy-mac.com — 36+ developer APIs, REST + MCP, free tier

💡 Host your own stack? Get $200 DigitalOcean credit via lazymac referral link.

Nothing above is checked by us. What we check is on the safety report.

Email Validator: common questions

Is Email Validator MCP server safe?
With care: it is graded C, so read the findings first (69/100). Read the Email Validator safety report
How do I install Email Validator?
It runs remotely at api.lazy-mac.com. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
Does Email Validator need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Email Validator maintained?
The last commit was 207 days ago (2026-04-11). The latest release is v1.0.0.
Is Email Validator up?
100% of our last 28 checks got an answer. We check remote servers about four times a day.
What can I use instead of Email Validator?
Servers from other publishers that do the same job: Cloudflare MCP Pro MCP server, Mailoo - Email MCP Server and emailmd MCP server.
How does Email Validator compare with other Email MCP servers?
safety score 69/100 (higher than 38% of 916 Email servers); tools 4 (the typical Email server has 7); tools that change things 25% (typical: 25%. Fewer write tools means less an agent can break). Full comparison.

Alternatives to Email Validator

Same job from other publishers: the closest match first, then the best rated.

  • Cloudflare MCP Pro
    Cloudflare MCP: DNS, Zones, Workers, KV, R2, D1, Pages, WAF, SSL, Email, AI via REST API v4
    B
  • Mailoo - Email MCP Server
    Email MCP server for AI agents: IMAP/SMTP, Gmail, Outlook, calendar, ManageSieve, AI triage, OAuth2.
    A
  • emailmd
    Render markdown into email-safe HTML, lint drafts for deliverability problems, and preview emails.
    A
  • OpenOSINT
    AI-powered OSINT agent & MCP server. 21 tools: email, breach, IP, WHOIS, DNS, Shodan, GitHub & more.
    C
  • Inbox Zero
    Search Gmail and Outlook, save drafts, manage email rules, and view email stats.
    A

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