Gmail and email MCP servers

Which email MCP servers actually answer?

Of 693 servers in the official MCP registry that mention Gmail and email, we checked 449 remote endpoints on 2026-10-04: 179 answered the MCP handshake, 227 answered but asked for sign-in or payment first, and 43 did not complete it. 206 run on your own machine and cannot be checked from outside.

What this does not tell you: whether a server is safe, or whether its tools do what they say. An answer to the handshake proves the endpoint is up, nothing more.

Ranked by our checks and repository activity, not by votes. How we check.

1. emailmd

   dev.emailmd/emailmd

   Render markdown into email-safe HTML, lint drafts for deliverability problems, and preview emails.

   Answers the MCP handshake and lists its tools★ 1,381

2. e2a — email for AI agents

   dev.e2a/mcp-server

   Authenticated email gateway for AI agents — per-agent inboxes, HITL approval, SPF/DKIM verified.

   Answers, but requires sign-in before the handshake★ 192

3. e2a — email for AI agents

   io.github.Mnexa-AI/mcp-server

   Authenticated email gateway for AI agents — per-agent inboxes, HITL approval, SPF/DKIM verified.

   Answers, but requires sign-in before the handshake★ 192

4. Email Inbox API + Sending by Sendmux

   io.github.Sendmux/sendmux-mcp

   AI email inbox and sending tools with attachments, search, live events, and webhooks.

   Answers, but requires sign-in before the handshake★ 65

5. BlackVeil DNS & Email Security Scanner

   com.blackveilsecurity/dns

   DNS and email security scanner with 81 MCP tools for SPF, DMARC, DNSSEC, SSL, and brand audits.

   Answers the MCP handshake and lists its tools★ 9

6. email-spam-tester

   io.github.serg-tanichev/email-spam-tester

   Test an email before it goes out: a disposable address, 41 checks with RFC citations, a fix plan.

   Answers the MCP handshake and lists its tools★ 2

7. IntoDNS.ai DNS & Email Security Scanner

   ai.intodns/scanner

   DNS and email security: check SPF, DKIM, DMARC, DNSSEC, DANE and build the records. 45 tools.

   Answers the MCP handshake and lists its tools★ 2

8. outlook-email

   com.mintmcp/outlook-email

   A MCP server for Outlook email that lets you search, read, and draft emails and replies.

   Answers, but requires sign-in before the handshake★ 9

9. Agent Email List — Free SMTP Relay for AI Agents

   com.agentemaillist.ai/free-transactional-email-smtp-relay

   Free transactional email + SMTP relay. Agents self-signup, no API key needed to start.

   Answers the MCP handshake and lists its tools★ 1

10. MCP Emails

    com.mcpemails/emails

    Never-stored live email: read, send, organize, schedule and auto-triage Gmail or any IMAP mailbox.

    Answers, but requires sign-in before the handshake★ 8

11. email-mcp

    io.github.codefuturist/email-mcp

    IMAP/SMTP email MCP server — 52 tools, stdio + HTTP, IMAP IDLE push, multi-account, AI triage.

    runs locally★ 123

12. email-finder

    com.superagnt/email-finder

    Email finder + verifier for AI agents: find work emails by name and company, check deliverability.

    Answers, but requires sign-in before the handshake★ 4

13. Powerline Email Tools

    ai.powerline/email-tools

    Email deliverability checks: SPF, DKIM, DMARC, BIMI, MTA-STS, blacklists, headers, spam words

    Answers the MCP handshake and lists its tools

14. Email Preflight

    io.github.tasuyoapp-ctrl/email-preflight

    Email preflight x402: $0.001 USDC on Base. MCP returns unpaid 402 only; no signing or payment.

    Answers the MCP handshake and lists its tools

15. Bulk Email Validator & List Cleaner: MX, Disposable & Typos

    io.github.Nero-Engine/email-list-cleaner

    Cleans an email list from an Apify dataset, a CSV/Excel file or Google Sheet, keeping every...

    Answers the MCP handshake; tool list not available without sign-in

16. Email DNS Preflight x402

    io.github.rosarioV25/email-dns-preflight-x402

    Paid email, DNS, mail-security and RDAP intelligence for agents over x402.

    Answers the MCP handshake and lists its tools

17. Cooper Email

    com.cooperemail/cooper-email

    Email inboxes for AI agents: create an address, send, receive via webhook, and full-text search.

    Answers the MCP handshake and lists its tools

18. AI Email Triage Tool & Reply Draft Helper

    com.ranovam/mail-triage

    Email triage tool powered by AI: classifies your inbox, finds messages that need a reply, and…

    Answers the MCP handshake; tool list not available without sign-in

19. Lead Enrichment & AI Cold Email Personalizer

    com.ranovam/ai-lead-enricher-personalizer

    Lead enrichment plus AI-written cold emails in one run.

    Answers the MCP handshake; tool list not available without sign-in

20. PeopleSearch.im

    im.peoplesearch/email-finder

    Plain-English people search with verified work emails, email verification and LinkedIn lookup.

    Answers the MCP handshake and lists its tools

21. theHarvester Cloud - Email & Subdomain Finder

    io.github.AnshumanAtrey/theharvester-osint

    theHarvester Cloud - Email & Subdomain Finder

    Answers the MCP handshake; tool list not available without sign-in

22. LinkedIn Profile Finder - Email to LinkedIn URL Lookup

    io.github.AnshumanAtrey/linkedin-harvester

    LinkedIn Profile Finder - Email to LinkedIn URL Lookup

    Answers the MCP handshake; tool list not available without sign-in

23. agent-cold-email

    io.github.YS-projectcalc/agent-cold-email

    Coldrig — cold-email infra run by your agent: 28 MCP tools, live sending, free sandbox, from $99/mo.

    Answers the MCP handshake and lists its tools

24. GoAI Moat Email Person Lookup

    com.goaimoat/email-person-lookup

    Reverse email lookup: find the person behind an email (name, title, company).

    Answers the MCP handshake and lists its tools

25. Instagram Profile Intel — No Login, Bio Emails & 25+ Fields

    io.github.AnshumanAtrey/instagram-profile-intel-no-login

    Instagram Profile Intel — No Login, Bio Emails & 25+ Fields

    Answers the MCP handshake; tool list not available without sign-in

26. Holehe Email OSINT - Find Registered Accounts

    io.github.AnshumanAtrey/holehe-email-osint

    Email OSINT Tool - Find Registered Accounts on 120+ Sites

    Answers the MCP handshake; tool list not available without sign-in

27. email-verifier

    io.github.pavel-tashev/email-verifier

    Verify email addresses in bulk: syntax, domain, MX, disposable and role addresses, SPF and DMARC

    Answers the MCP handshake; tool list not available without sign-in

28. GrabMail disposable email

    io.grabmail/mcp

    Disposable email for agents: create an inbox, wait for the message, read the code. No key needed.

    Answers the MCP handshake and lists its tools

29. Kawaa email verification

    com.kawaa/email-verification

    Check whether an email address can receive mail — one address or a list — without sending to it.

    Answers the MCP handshake; tool list not available without sign-in

30. Website Email Extractor, Phone & Contact Finder (CSV, Sheet)

    io.github.Nero-Engine/website-contact-finder

    Published emails, phones and social profiles for every website in a list, CSV or Google Sheet.

    Answers the MCP handshake; tool list not available without sign-in

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