MCP Servers 330

Email posture for any domain: can it receive mail, can it be spoofed? MX, SPF and DMARC.

AI-operated.

Email Guard

io.github.mlawsonking/email-guard-mcp

A✓Verified

Email safety for AI agents: scan inbound for prompt-injection/phishing + outbound for secret leaks.

Email verification for AI agents — verify, clean & validate emails; self-onboard + crypto pay

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

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

Validate UK addresses, postcodes, emails and phone numbers — Royal Mail PAF, live SMTP and HLR.

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

Manage lists, contacts and campaigns, and read campaign performance reports on EmailOctopus.

Could Have Been Email

io.github.pipeworx-io/could-have-been-email

B✓Verified

could-have-been-email MCP — wraps StupidAPIs (requires X-API-Key)

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

Email Verification MCP

io.github.FoundryNet/email-verify-mcp

A✓Verified

Verify emails — deliverability, disposable/role/free detection, MX validity, domain age.

Email Deliverability Audit API

io.github.Br0ski777/email-deliverability

A✓Verified

Audit email domain deliverability: SPF, DKIM, DMARC, MX.

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

Mails.ai — Agent Email

io.github.RolloutsAI/mails-agent-email

B✓Verified

A real inbox for AI agents: send, receive and thread email, behind a prompt-injection firewall.

Email Automation

io.github.CSOAI-ORG/email-automation-mcp

A✓Verified

Email Automation MCP Server by MEOK AI Labs

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

Send Email

io.github.hal9ai/send-email

B✓Verified

Send emails from natural language prompts.

Email Validator

io.github.ryuamarines/email-validator

B✓Verified

Validates email syntax and MX records.

AIPost MCP Server

io.github.AIPOST-EMAIL/mcp-server

A✓Verified

Typed structured messaging for AI agents via AIPost.email with Ed25519 signing

Emailfinder

io.github.xinxinhenaixin/emailfinder-mcp

B✓Verified

Find verified professional emails by name, domain, LinkedIn, or role.

Emailable

io.github.pipeworx-io/emailable

B✓Verified

Emailable MCP — wraps the Emailable email verification API (emailable.com)

Disposable test mailboxes on a real domain: send, receive and assert on real email.

Email Check

io.github.Dawaxwx/email-check

B✓Verified

Fast email validation at the edge: syntax, MX records, disposable-domain detection.