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Tools · Email Automation

Best MCP servers for email automation

191 MCP servers in the Official MCP Registry do email automation. 98 can be used as a hosted endpoint, with nothing to install, and 156 publish their source code. First by relevance and readiness: sendgrid, mailchimp and Klaviyo.

#ToolRelevanceConnectCodeSeen
1sendgrid
Send email and read templates, marketing contacts, lists, stats, bounces and unsubscribes.
In name
sendgrid
HOSTEDLOCALOpen2d ago
2mailchimp
Read audiences, members, campaigns and reports; add, update, tag and archive subscribers.
In name
mailchimp
HOSTEDLOCALOpen2d ago
3Klaviyo
Klaviyo MCP Pack — wraps the Klaviyo API for email marketing
In name
klaviyo
HOSTEDLOCALOpen2d ago
4Email Inbox API + Sending by Sendmux
AI email inbox and sending tools with attachments, search, live events, and webhooks.
In name
email inbox
HOSTEDLOCALOpen2d ago
5Mailrith Email Marketing
Manage Subscribers, Broadcasts, Sequences, Automations, and reporting in Mailrith.
In name
email marketing
HOSTEDLOCALOpen3d ago
6Space Monkey Mailchimp Dashboard
Mailchimp engagement intelligence for AI agents: campaign analytics and audience insights.
In name
mailchimp
HOSTEDLOCALOpen3d ago
7Agent Email List — Free SMTP Relay for AI Agents
Free transactional email + SMTP relay. Agents self-signup, no API key needed to start.
In name
smtp
HOSTEDLOCALOpen3d ago
8sebastianall1977-gmail-mcp
Manage Gmail end-to-end: search, read, send, draft, label, and organize threads. Automate workflow…
In name
gmail
HOSTEDLOCALOpen3d ago
9faithk7-gmail-mcp
Manage Gmail messages, threads, labels, drafts, and settings from your workflows. Send and organiz…
In name
gmail
HOSTEDLOCALOpen3d ago
10FGAC.ai: Multiple Gmail Accounts, Google Sheets & Docs
Multiple Gmail accounts, editable Google Sheets & Docs for AI agents. Deny-by-default access rules.
In name
gmail
HOSTEDLOCALOpen3d ago
11Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun
Letterkeel: send email from your own domain via SMTP, Resend, SendGrid, Mailgun, Postmark
In name
send email
HOSTEDLOCAL—2d ago
12gmail-tidy-mcp
Organize several Gmail accounts: labels, filters, archiving, drafts. Never sends or deletes mail.
In name
gmail
HOSTEDLOCALOpen7h ago
13mailchimp-mcp-server
Mailchimp via MCP: draft, test, and send campaigns; manage audiences and subscribers; pull reports.
In name
mailchimp
HOSTEDLOCALOpen1d ago
14SendGrid Transactional
SendGrid transactional email: preflight send, templates, and delivery diagnostics.
In name
sendgrid
HOSTEDLOCALOpen2d ago
15Klaviyo MCP
Klaviyo MCP: campaigns, flows, segments, metrics, reports, profiles across many accounts. 24 tools.
In name
klaviyo
HOSTEDLOCALOpen2d ago
16gmail-attachments-mcp
Minimal MCP server for downloading Gmail attachments to disk. Read-only OAuth by default.
In name
gmail
HOSTEDLOCALOpen2d ago
17Gmail Postmaster Tools
Gmail Postmaster Tools v2 — domains, traffic metrics, and compliance via your own Google OAuth.
In name
gmail
HOSTEDLOCALOpen2d ago
18imap-mcp-server
IMAP/SMTP MCP server to search, read, organize, send, reply & forward email for AI assistants
In name
imap
HOSTEDLOCALOpen2d ago
19SMTP
MCP server that sends mail over SMTP, gated behind an allowlist and a human confirmation
In name
smtp
HOSTEDLOCALOpen2d ago
20IMAP mailbox
Read, search and organise any IMAP mailbox, with writes off by default
In name
imap
HOSTEDLOCALOpen2d ago
21zerosmtp
A free SMTP relay that still takes a username and password, for devices that cannot do OAuth 2.0.
In name
smtp
HOSTEDLOCALOpen2d ago
22gmail-mcp
Multi-account Gmail on a Cloudflare Worker you deploy yourself: read, send, reply, labels, threads
In name
gmail
HOSTEDLOCALOpen2d ago
23Email (IMAP/SMTP)
Email IMAP/SMTP MCP server: iCloud, Gmail, Yahoo, Outlook, and custom IMAP providers
In name
imap
HOSTEDLOCALOpen2d ago
24gmail
Gmail MCP server — send, read, and search email. By Strider Labs.
In name
gmail
HOSTEDLOCALOpen2d ago
25Resend Email MCP
Complete Resend email MCP: full API coverage + debug layer (deliverability, DNS, bounces).
In name
resend
HOSTEDLOCALOpen2d ago
26multi-gmail-mcp
Manage multiple Gmail accounts in Claude Desktop — search, send, reply, draft, and organize.
In name
gmail
HOSTEDLOCALOpen2d ago
27resend-mcp-server
MCP server for Resend — transactional email API for AI assistants...
In name
resend
HOSTEDLOCALOpen2d ago
28gmail-agent
Gmail for AI agents: search, read, download attachments, send, reply, drafts, labels.
In name
gmail
HOSTEDLOCALOpen2d ago
29SendGrid MCP Server
MCP server for SendGrid's v3 API: email marketing, transactional mail, templates, and analytics.
In name
sendgrid
HOSTEDLOCALOpen2d ago
30Multi-Account Gmail
Multi-account Gmail MCP server — read, search, draft, and label across every inbox.
In name
gmail
HOSTEDLOCALOpen2d ago
31mcp-sendgrid
MCP server for SendGrid — global transactional + marketing email (Twilio-owned)
In name
sendgrid
HOSTEDLOCALOpen2d ago
32Multi-account MCP for Gmail, Calendar, Drive, Docs, and Sheets — 61 tools, token
Multi-account MCP for Gmail, Calendar, Drive, Docs, and Sheets — 61 tools, token-efficient, macOS…
In name
gmail
HOSTEDLOCALOpen2d ago
33IMAP MCP Pro
Production IMAP & SMTP for Claude: multi-account email search, triage, send, and spam checks.
In name
imap
HOSTEDLOCALOpen2d ago
34Outlook Mail
Read, search, send and clean up Outlook.com / Hotmail mail through Microsoft Graph.
In name
outlook mail
HOSTEDLOCALOpen2d ago
35SendGrid Secure
Security-first SendGrid MCP server: dry-run default, recipient allowlists, rate caps, audit log.
In name
sendgrid
HOSTEDLOCALOpen2d ago
36Gmail-MCP-Server
Lean Gmail MCP server with auto authentication support
In name
gmail
HOSTEDLOCALOpen2d ago
37mcp-server-imap
Email tools for any IMAP/SMTP provider: list, read, search, send, and manage messages.
In name
imap
HOSTEDLOCALOpen2d ago
38Gmail MCP
MCP server for the Gmail API: search, read and send email, manage drafts, labels and the trash.
In name
gmail
HOSTEDLOCALOpen2d ago
39PipesHub
Permissioned search and cited answers over Slack, Drive, Gmail, Jira, and 50+ workplace sources.
In description
gmail
HOSTEDLOCALOpen4h ago
40AhaSend
Send email, check deliverability, set up domains, and run templates, contacts and campaigns.
In description
send email
HOSTEDLOCALOpen12h ago
41MailSenpai
Manage MailSenpai email marketing: lists, subscribers, templates and campaigns (EU, OAuth).
In description
email marketing
HOSTEDLOCALOpen1d ago
42Atmark
Email for AI agents: its own address, not your Gmail. Invite-only; requires an agent token.
In description
gmail
HOSTEDLOCALOpen1d ago
43LeadMagic — B2B Email Finder & Contact Enrichment
Find and verify B2B work emails and enrich contacts — live SMTP verification.
In description
smtp
HOSTEDLOCALOpen2d ago
44mcp-server
AI tools for Mailercloud email marketing: campaigns, contacts, templates, sending & analytics.
In description
email marketing
HOSTEDLOCALOpen2d ago

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FAQ

What is the best MCP server for email automation?

By relevance and readiness, sendgrid, mailchimp and Klaviyo come first: the use case appears in their name and they can be used as a hosted endpoint. Check each page for how to connect and what keys it needs.

How many MCP servers are there for email automation?

Electra Index lists 191 active MCP servers for email automation from the Official MCP Registry. 98 offer a hosted endpoint and 156 publish their source code.

Is there a hosted MCP server for email automation, with nothing to install?

Yes. sendgrid, mailchimp and Klaviyo declare a remote endpoint you add to your assistant's MCP settings.

Is there a ready-made AI agent for email automation instead?

Yes. If you prefer a finished product to plugging tools into your own assistant, Apollo.io, Zapier Agents and Jason AI SDR do this out of the box.

How this list is ordered: a tool comes first when the use case appears in its name rather than only in its description, then when it offers a hosted endpoint, then when its source code is public, then by how recently our robot saw it in the Official MCP Registry. The match to email Automation comes from the publisher's description (keyword method), not from a test of the tool. Only active tools with a real description are listed. No tool pays to appear here.