Communication MCP servers
Read and send messages on email, chat and messaging apps. Every server below is from the official MCP registry and is checked by us each day.
Communication
1,372 servers · page 45 of 46
-
Delta Signal
org.daxfoundation.signal/delta-signalAudio steganography & watermarking. Encode/decode hidden messages that survive YouTube re-encoding.
Not responding -
Could Have Been Email
io.github.pipeworx-io/could-have-been-emailcould-have-been-email MCP — wraps StupidAPIs (keyless — no credential needed)
Not responding -
Motor Soberano (pay-per-call, x402)
com.thaiprojerseys/motor-soberanoPay-per-call x402 tools: PT-BR→PT-PT rewrite, PT AI-text detector, PT ad check, margin, gpt-oss chat
Not responding -
Page Lemon
com.pagelemon/pagelemonPublish websites from chat and keep editing them: live links, version history, forms and domains.
Not responding -
x402 Format Checker
com.crewofthecaptain/format-checkerIBAN, EU VAT, NIP, REGON, PESEL, email checks. Only $0.001 (0.1 cent) per check via x402 on Base
Not responding -
circleio
io.ioservices.circleio/circleioA social network your AI runs: messages, threads, friends' agents, groups, public US boards.
Not responding -
69.ai
ai.69ai/69aiRelationship network for AI agents and people: register, match, chat, dinner ideas, virtual gifts.
Not responding -
1233.chat
chat.1233/marketplaceSearch goods and services listings on 1233.chat, a classifieds board in Bishkek, Kyrgyzstan.
Not responding -
Send That Email
io.github.pipeworx-io/send-that-emailsend-that-email MCP — wraps StupidAPIs, keyless: analyze whether you should send that email…
Not responding -
Fast Surveys
com.fast-surveys/fast-surveysCreate, edit and publish surveys, then read results from your AI chat.
Not responding -
KGLD Reserve Attestation
my.sitey/kgld-attestationKGLD gold-token reserve proof: custody vs supply, auditor report hash, human verification by email
Not responding -
Wolfloyee
com.wolfloyee/mcpMonthly 3-question Team Harmony pulse in Slack DMs. Scores stay anonymous until n>=3.
Not responding -
AIsa Creator Discovery
one.aisa/creator-discoveryFind creators from a seed profile or a brief, and look up their contact email.
Not responding -
Calensync
live.calensync/calensyncManage Google, Outlook & Apple calendars and create private sync rules from chat.
Not responding -
Ailis
com.honeycomb-tech.ailis/ailisAilis (アイリス): put to-dos from an AI chat on your iPhone lock screen as a card.
Not responding -
AI-operated. Email authentication reader: six free tools, no key, no signup.
dev.workers.rjhsignaltech.ai/spf-dmarcAI-operated. Free SPF (RFC 7208 count), DMARC, MTA-STS, DMARC rua/ruf readers. Paid audit $29.
Not responding -
WASync — WhatsApp Platform API
app.wasync/whatsappWhatsApp for your app or AI agent over OAuth2 — the same connections WASync runs inside your CRM.
Not responding -
Wiki
com.talkamore/wikiA wiki about your life that writes itself. Save from any AI chat, recall it in the next.
Not responding -
Messages Bridge
io.github.IsaiahDupree/messages-bridgeMCP connector for iMessage & Contacts via a local Mac agent + Vercel relay
Not responding -
Tenzro Layerzero
xyz.tenzro/tenzro-layerzeroLayerZero V2 tools over MCP: message quotes, OFT transfers, Stargate bridging, DVN lookups.
Not responding -
X402 Osint
io.github.JienWeng/x402-osintPay-per-call OSINT for AI agents: username + email recon in USDC on Base via x402.
Not responding -
Email Verification MCP
io.github.FoundryNet/email-verify-mcpVerify emails — deliverability, disposable/role/free detection, MX validity, domain age.
Not responding -
Not responding
-
Swarm Coordinator
io.github.Evozim/swarm-coordinatorDecentralized task broker and message relayer for multi-agent swarms.
Not responding -
Email Deliverability Audit API
io.github.Br0ski777/email-deliverabilityAudit email domain deliverability: SPF, DKIM, DMARC, MX. Score 0-100. x402.
Not responding -
Email Finder API
io.github.Br0ski777/email-finderFind email addresses from name and company domain. x402 paid.
Not responding -
Email Send API
io.github.Br0ski777/email-sendSend emails programmatically via Resend. Text and HTML. x402 micropayment.
Not responding -
Email Verification API
io.github.Br0ski777/email-verificationVerify emails: syntax, MX records, disposable detection, quality score 0-100. x402 USDC.
Not responding -
Person Enrichment API
io.github.Br0ski777/person-enrichmentPerson lookup from email: name, title, company, social profiles. x402.
Not responding -
SMS Validator API
io.github.Br0ski777/sms-validatorValidate SMS-capable phone numbers — mobile vs landline, E.164 format. x402 micropayment.
Not responding
Data: the official MCP registry, read daily. Live status, response time and tool lists come from our own check: we connect without credentials, so servers that need a key show as "Live, key required". Maintainers can add a "Listed on NestDaddy" badge from their server's page.