MCP Servers 157

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

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

e2a — email for AI agents

io.github.Mnexa-AI/mcp-server

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

Email Inbox API + Sending by Sendmux

io.github.Sendmux/sendmux-mcp

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

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

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

Cold Email

io.github.Bluecraft-AI/cold-email

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Generate hyper-personalized cold email sequences via AI.

Manage Subscribers, Broadcasts, Sequences, Automations, and reporting in Mailrith.

Agent Cold Email

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

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

Send That Email

io.github.pipeworx-io/send-that-email

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send-that-email MCP — wraps StupidAPIs (requires X-API-Key)

Monitor and manage email authentication (SPF, DKIM, DMARC, MTA-STS, BIMI) for your domains.

AI-operated.

An MCP server that provides tools to validate an email address using Dilli Email Validation API.

Inspect XLSX/XLSM workbooks, validate email, generate SVG QR codes, and look up domain DNS and TLS.

Mifactory Email

io.github.mifactory-bot/mifactory-email

C✓Verified

Send transactional emails for AI agents via SMTP.

Verify email addresses in real time and find business email addresses with live mailbox checks.

Description of my MCP server

Still work in progress

Non functional server (yet)

Description of my MCP server

Email Validator

io.github.lazymac2x/email-validator

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Cloudflare Workers MCP server: email-validator

Classify email addresses and domains by provider and type (business, personal, disposable).

Description of my MCP server

Stateful email for AI agents — read inboxes, reply in-thread, draft with approval.