MCP Servers

Checks if an email/domain is disposable (temp-mail). x402-metered per call.

M

Mailvett: Email Validation API for AI Agents

cybermax.cybermax-tools.workers.dev

Mailvett: validate emails. MX, provider, disposable/role/free flags, typo fix, verdict

L

Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun

cybermax.cybermax-tools.workers.dev

Letterkeel: send email from your own domain via SMTP, Resend, SendGrid, Mailgun, Postmark

Audit SPF, DKIM, DMARC, MX, BIMI, MTA-STS for a domain; score + grade. $0.003 USDC/call via x402

Email verification for AI agents: syntax, MX, disposable, role, score. $0.001 USDC/call via x402

D

DnsGuard

dnsguard.mike-tusa.workers.dev

Check a domain's email authentication: SPF, DKIM, DMARC, BIMI, MX, MTA-STS, TLS-RPT. Score + fixes.

M

MailAlign

mailalign.mike-tusa.workers.dev

Email header analyzer: SPF/DKIM/DMARC/ARC verdicts, domain alignment, hop delays. No lookups

Find a time a group can meet: no-login availability poll that picks the best meeting slot

A public meeting place for agents to exchange reviews and coordinate work

SPF, DKIM, DMARC, MTA-STS and domain-expiry checks for any domain, with SPF lookup counts

A

AI-operated. DKIM key reader: free, no key, finds unknown selectors.

ai.rjhsignaltech.workers.dev

AI-operated. Free DKIM key reader: no key needed, finds unknown selectors

A

AI-operated. Email authentication reader: six free tools, no key, no signup.

ai.rjhsignaltech.workers.dev

AI-operated. All tools paid: an unpaid tools/call answers HTTP 402 with x402 terms, USDC on Base

E

ebenova-fieldops

dgtalquantumleap-ai

WhatsApp booking, staff coordination, and invoice recovery for services.

Create and manage DialNexa AI voice agents, campaigns, calls, phone numbers, workflows, and more.

E

Eigi.ai Voice Agents

eigi-ai

Create and manage AI voice agents, real-time conversations, and analytics with eigi.ai

Provision global eSIM data plans and real mobile phone numbers for AI agents. 200+ countries

Branded email on your own domain: send, reply, search, aliases, contacts and campaigns.

F

fixture.email — Email Testing for Agents

fixture.email

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

An email address for your AI agent. Read, wait for and reply to mail, decrypted on your machine.

Create and manage Templated email templates from any MCP client - bring your own model.

Bring your own AI into group chats with your friends and their AIs. AndCo only carries messages

Verify email deliverability by SMTP. Catch-all/disposable/role detection. EU-hosted, GDPR-ready.

H

Help by DeltaBreen

deltabreen.eu

Work your Help tickets with your AI: read them, reply or leave notes, and set up forms and sites

N

NordicMCP — Google Mail

nordicmcp.eu

Hosted Gmail MCP server: read, search and manage messages. Google OAuth2 handled by NordicMCP

Create and manage website chatbots for European SMBs: bots, chat, and captured leads

Multi-channel voice and SMS gateway interface for AI communication

Premium agentic endpoint for agent-phone-mcp.

Premium agentic endpoint for agent-telephony-mcp.

Premium agentic endpoint for agentphone-ai-mcp.

Premium agentic endpoint for cell-tower-handoff-mcp.

Corporate email and chat thread summarization parser.

Premium agentic endpoint for docdigest-mcp.

E

Email Validator (MX, Disposable, Typo)

fairquery

Validate emails without sending mail: syntax, MX, disposable, role and typo checks, SPF/DMARC.

Send end-to-end encrypted email and files. Encryption happens on your machine, not our server

D

defigent

Firrton

Agent messaging inbox (A2A, EIP-712 signed), ERC-8004 directory, status and text hashing for Monad.

C

Comontel : forfaits mobiles pro sur le réseau Orange

comontel.fr

Business mobile plans on the Orange network: prices, roaming in Europe and Switzerland, FAQ. Read-only.

F

Flytel

flytel.fr

Flytel mobile plans for France-Switzerland cross-border commuters: offers, calls, data, countries

Create, configure and manage an AI phone receptionist. Requires a Fonixia account

S

SignaMail

signamail.fr

Email signatures for French businesses: HTML generator, legal mentions per job, SPF/DKIM/DMARC

A

AgentPub

FrankShen18

Agent-to-agent messaging: directory, public lobby, DMs, channels, search. Stateless MCP + REST.

I

Inbox Benefits MCP

fvegiard

Read-only multi-inbox benefits radar with local deduplication and explicit account health.

M

mcp-gera-voice

geraservicesuk

GeraVoice MCP (placeholder) — voice-native gateway for emerging markets. Launching 2026.

C

chat-tool-ui-preview

gridhra

Preview a chat post before an agent sends it: text, mentions, destination, warnings. Never sends

Search connected email, read and manage messages, draft and send, and manage rules for new mail

Manage authorized Rafi leads, reminders, DNC status, and AI voice playbooks

AI calls to South Korean numbers (+82), with results and transcripts. Korean numbers only. Account and OAuth required

S

saperly

idanbier999

Phone carrier for AI agents. Provision numbers, make calls, send SMS, TCPA compliance built-in

C

clippy

IDTitanium

AI agents can Create rooms and store/retrieve text and images, and hand link to humans no sign-up

Send SMS and manage contacts in Israel: delivery status, opt-outs, segments, and credits.

A

Alive5 SMS

imraghavojha

List SMS lines, send texts and read recent inbound messages with Alive5

M

mcp-email

infoinlet-marketplace

Email for AI agents: read inbox (IMAP), search and send (SMTP)

WhatsApp (Web + Business API), SMS, contacts, and call records via 2Chat's MCP server

CRM, inbox, meetings, revenue intelligence, analytics and automations for AI agents

F

Fluent

becomefluent.io

Your work meetings, notes, people, tasks and follow-ups from Fluent, in your AI assistant.

C

Callin.io AI Voice Agents

callin.io

Access your Callin.io AI phone agents, call history and transcripts from any AI assistant.

Signing requests, 18+ age checks with EUDI wallets, meetings, cards. People sign in CodeB Wallet

D

Dadan

dadan.io

Screen recording & video platform: search, share, transcribe, translate videos & AI meeting notes

D

DevInbox

devinbox.io

Real email inboxes for AI agents: create inboxes, catch verification codes, extract OTPs, reply

Search published help and hand customer chat to a person. Requires your app's backend integration

Manage phone numbers, SMS/MMS, voicemail, faxing and call routing for your VoIP.ms account