MCP Servers 274

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

A✓Verified

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

A✓Verified

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

DNS and email security scanner with 79 MCP tools for SPF, DMARC, DNSSEC, SSL, and brand audits.

Emailens MCP

io.github.emailens/mcp

A✓Verified

Analyze, audit, fix and diff HTML, MJML, Maizzle and React Email across 21 email clients.

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

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

Cold Email

io.github.Bluecraft-AI/cold-email

C✓Verified

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

A✓Verified

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

A✓Verified

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

Regex matching, email/URL format validation, and JSON Schema validation.

Verify email deliverability & find business emails (single or bulk) via the Verifox API.

MAILTYPE — Email Domain Capability Intelligence

io.github.GSterlingPress/mailtype

B✓Verified

Email-domain intelligence: MX capability, provider, disposable status, SPF, DMARC, and MTA-STS.

Email Validator

io.github.lazymac2x/email-validator

C✓Verified

Cloudflare Workers MCP server: email-validator

Mifactory Email

io.github.mifactory-bot/mifactory-email

C✓Verified

Send transactional emails for AI agents via SMTP.

AI-operated.

Email Send API

io.github.Br0ski777/email-send

A✓Verified

Send emails programmatically via Resend.

Email Finder API

io.github.Br0ski777/email-finder

A✓Verified

Find email addresses from name and company domain.

Scan and fix a domain's email deliverability (SPF, DKIM, DMARC, MTA-STS, BIMI, DNS blocklists).

Verify email addresses and clean lists to improve deliverability and sender reputation.

Email Verification API

io.github.Br0ski777/email-verification

A✓Verified

Verify emails: syntax, MX records, disposable detection, quality score 0-100.

Give an agent its own inbox: send, receive, and pull signup codes from real email.