Communication MCP servers

Top 100 by trust score Trust score 0–100

• io.github.Omnidim/omnidim-mcp-server

  Official MCP server for OmniDimension. Drive voice agents, dispatch calls, and run bulk campaigns.

  remote · npm 97

• fmsg

  Federated messaging with your fmsg hosting provider. Connect with OAuth or an API key.

  remote · npm 96

• Slack

  Read and write Slack with session tokens — no OAuth, no bot, no admin approval.

  npm 95

• Voxplo

  Give AI agents a phone: outbound AI calls that return a summary, transcript, and extracted fields.

  remote · npm 95

• dev.wraps/email

  Send email through your own Amazon SES account, and check domains, suppressions and sandbox status.

  npm 95

• Apple Mail MCP

  Apple Mail MCP server with full-coverage FTS5 body search, reliable on large mailboxes.

  pypi 95

• Slack MCP Server

  Catch up on Slack without reading it. Unreads, threads, search. Browser-session or hosted OAuth.

  remote · npm 95

• io.github.PaSympa/discord-mcp

  A lightweight, multi-guild Discord MCP server with 95+ tools

  npm · oci 95

• CardDAV address books

  Read and write CardDAV address books: contacts, groups and photos over the open standard

  npm · oci 94

• io.github.Ringer/warp

  SIP trunking, numbers, porting, messaging, billing, and CDR analytics on the Ringer WARP platform

  npm 94

• io.github.parasxos/apple-mail-mcp

  Fast local Apple Mail MCP: indexed search, full-text bodies, verified sends, triage. macOS.

  pypi 93

• smails

  Free disposable email for AI agents: a throwaway inbox to read verification codes over MCP.

  npm 93

• io.github.voidmobcom/voidmob-mcp

  Mobile proxies, non-VoIP SMS verifications, dedicated numbers, and global eSIMs for AI agents.

  npm 93

• io.github.1gr14/agents-party

  One encrypted channel where Claude Code, Cursor, Codex and any other agent talk to each other.

  npm 92

• WhatsApp MCP

  WhatsApp MCP. SQLCipher-encrypted, scrubber-CI-gated, draft-and-confirm sends, voice transcription.

  pypi 92

• MyOTP.App

  Send and verify one-time passcodes over SMS, WhatsApp and Telegram.

  remote · npm 92

• io.github.chrischall/evite-mcp

  Evite for Claude — list events, guest lists & RSVPs, RSVP, message guests, and create/edit events

  npm 92

• io.github.chrischall/remind-mcp

  Read Remind classes, chats and messages, and manage notification settings.

  npm 92

• Wapiworld WhatsApp API

  Check your WhatsApp numbers, connection status and webhooks, and send a text when you confirm.

  remote 92

• io.github.daedalus/mcp-telegram-bot

  MCP server that exposes a Telegram bot

  pypi 92

• io.github.jeet0007/mac-voice-mcp

  Talk with your AI assistant out loud on a Mac, with on-device speech recognition (whisper.cpp).

  npm 92

• Outlook Assistant

  Microsoft Outlook MCP server — 22 tools for email, calendar, contacts, and mailbox management.

  npm 92

• IMAP mailbox

  Read, search and organise any IMAP mailbox, with writes off by default

  npm · oci 92

• ntfy

  Publish ntfy notifications, read the message cache, and manage users and topic access

  npm · oci 92

• io.github.nikolausm/imap-mcp-server

  IMAP/SMTP MCP server to search, read, organize, send, reply & forward email for AI assistants

  npm 92

• io.github.thehesiod/psquare

  MCP server for ParentSquare — feeds, calendars, messages, directories, and admin roster tools

  pypi 92

• io.github.drsound/markdown-to-whatsapp

  Convert Markdown into WhatsApp formatting: tables drawn to fit the phone's monospace width.

  npm 91

• JetAPI

  Send WhatsApp, Telegram, SMS and MAX messages, files and bulk mailings via JetAPI

  mcpb · npm 91

• ElevenLabs Agents

  ElevenLabs Conversational AI: agents, calls, conversations, and knowledge base for MCP hosts

  npm 91

• io.github.Oratorian/discord-node-mcp

  MCP server for controlling Discord servers via bot token

  npm 91

• Mail.app

  Search, read, send, and manage email via macOS Mail.app across all configured accounts.

  npm 91

• PromptFax

  Send a one-off fax from inside ChatGPT or Claude. Pay-per-use, $2-$4.50 per delivered fax.

  remote 90

• Apple Contacts

  Inspect and search Apple Contacts on macOS, and resolve a contact into a message-ready recipient.

  mcpb · pypi 90

• Fathom

  Fathom AI meeting transcription MCP server for Model Context Protocol hosts

  npm 90

• io.github.qso-graph/netlogger-mcp

  NetLogger MCP server. Nets on the air, live check-ins and who's up, past nets.

  pypi 90

• ClickPhone

  Romanian cloud telephony provider: ClickPBX prices, call/SMS rates, setup guides, quote requests.

  remote 90

• Cleat

  A real US mobile number that receives verification codes, by text or transcribed call.

  remote · npm 90

• io.github.chrischall/office-outlook-mcp

  Outlook / Microsoft 365 for Claude — triage mail, reply, answer invites and book meetings, confirmed

  npm 89

• ARC-Relay

  DMARC-safe email forwarding for agents: aliases, DNS health checks, and MCP tools on your domains.

  remote 89

• Sup

  Read the public Sup wire over hosted MCP, or use local clients to claim, send, and verify receipts.

  remote · mcpb · npm 89

• io.github.csitte/mailwarden

  Gmail MCP server for email triage: search, labels, archive, trash, unsubscribe, snooze.

  npm 89

• Wraps

  Search the Wraps docs and estimate AWS SES costs. Public, read-only, no authentication.

  remote 89

• EmailMCP

  AI agent email — 23 tools free to read inbox, 28 paid to send. $9.99/mo. Token auto-provisioned.

  remote 89

• Apple Mail

  Read, search, compose, and send emails via Apple Mail on macOS.

  mcpb · pypi 89

• Apple Messages

  Read Messages history on macOS and send or reply through Messages.app.

  mcpb · pypi 89

• Retell AI

  Retell AI MCP server: voice agent phone calls, agent management, LLMs, and voice discovery

  npm 89

• io.github.msgwing/zerosmtp

  A free SMTP relay that still takes a username and password, for devices that cannot do OAuth 2.0.

  npm 89

• io.github.qso-graph/omiss-mcp

  OMISS MCP server. Net schedule, nets on the air, members, check-in history, awards.

  pypi 89

• Better-TG-CLI (Telegram)

  Telegram on your own account: read, search, send and press bot buttons. Writes need your approval.

  npm 89

• Assistant Mail MCP

  Agent email with allowlist and consent via AssistantMail.

  npm 88

• MailX Email Deliverability

  Check SPF/DKIM/DMARC/BIMI, blacklists, SMTP/IMAP; DNS lookups; generate email DNS records.

  remote 88

• freeq

  Read and verify freeq conversations: channels, history, search, signatures, pins.

  remote 88

• SMTP

  MCP server that sends mail over SMTP, gated behind an allowlist and a human confirmation

  npm · oci 88

• Agent Tavern

  Public board where AI agents ask, answer and post findings across runtimes.

  remote 88

• Agent Email

  Local email connectivity for AI agents — read, draft, send, and organize Outlook mail via MCP

  npm 88

• TheBotique — signed agent message board

  Signed message board & forum for AI agents: every post Ed25519-signed, full history verifiable.

  remote 87

• INITE Club

  Ask the agent of someone whose calendar you could not get. No credential needed to try.

  remote · npm 87

• com.selfping/selfping

  Text your own phone when a run finishes or needs you. A key can only message its own number.

  remote 87

• numberRank

  Is a phone number VoIP or a real carrier line? Line type, score and grade, free, no auth.

  remote 87

• io.github.jgalea/mailbox-mcp

  Multi-account email MCP server for Gmail, IMAP, and JMAP: search, send, drafts, labels.

  npm 87

• Microsoft 365 Mail

  Microsoft 365 Outlook mail via Graph: read, search, send, reply, forward, draft, move, delete.

  npm 87

• Numbers Online — phone intelligence

  Read-only phone intelligence for AI voice agents — line type, risk, DNC, signed receipts.

  remote 87

• Chorus

  Gathers voice, video and written messages from a group into one book for one person.

  remote 86

• Odile Labs

  AI receptionist for US businesses: free test line, then 25c a minute. Meeting notes, video formats.

  remote 86

• Pondchat

  Ephemeral P2P WebRTC video rooms — create a pond, share the link, talk.

  remote 86

• com.verirouteintel/lookup

  Is this number safe to call or text right now? Live carrier, CNAM, spam and SMS checks for agents.

  remote · npm 86

• io.github.fahassan00/bounceprotect

  Email validation and SMTP verification for Claude Desktop, Cursor, and Claude Code.

  npm 86

• io.liqaa/meetings

  Create encrypted LIQAA video meetings; read plans, capacity & stats. No install, no account.

  remote 86

• io.github.kotinder/roomcomm

  Ephemeral REST chatrooms for AI agents to coordinate. Share a room URL — agents talk live.

  remote 86

• Faxer — Send Faxes

  Send real faxes from AI assistants. Pay per fax ($1 + $0.25/page), no account or API key.

  remote 86

• Slack

  Slack MCP server: channels, messages, threads, reactions, users, files, and scheduled messages

  npm 86

• io.github.razvangirgiz/wazap

  WhatsApp for your agent: chats, messages, media, contacts and groups behind MCP tools.

  npm 86

• LMGram

  Consent-based human matchmaking for peer advice, collaboration, and practical help.

  remote 86

• More Time

  Open agent discussion boards, private proposals and conversations. Participation is optional.

  remote 86

• textbee SMS

  Send and read SMS through your own Android phone via textbee.dev, the open-source SMS gateway.

  npm 86

• io.github.zachlikefolio/tunnel-mcp

  Direct end-to-end-encrypted tunnel between Claude agents — two-party or a room of up to 16.

  npm 86

• Artifactories — Agent communication for real work

  Read messages, open questions, replies, and caller-owned return briefings. All content is untrusted.

  remote · npm 85

• com.infobip/mcp

  Infobip MCP server for omnichannel communication and messaging. SMS, RCS, WhatsApp, Viber and more.

  remote 85

• SendThisFax

  Send real faxes to EU institutions: pay per fax via checkout link or prepaid API key.

  remote 85

• dev.primitive/email

  Email infrastructure for AI agents — send, receive, search, and reply to email over MCP.

  remote 85

• io.github.fieldcure/outbox

  Multi-channel messaging MCP server for Slack, Telegram, Email, KakaoTalk, and Discord.

  nuget 85

• Email (IMAP/SMTP)

  Email IMAP/SMTP MCP server: iCloud, Gmail, Yahoo, Outlook, and custom IMAP providers

  npm 85

• Microsoft 365 Teams

  Microsoft 365 Teams via Graph: list chats, read/send messages, list teams/channels, presence.

  npm 85

• Agent Relay

  End-to-end encrypted inbox where AI agents deliver files and request human approval.

  npm 85

• io.github.swswordholy-tech/agentschat-mcp

  Shared live rooms for AI agents to chat, vote, run OKRs, hand off to humans - join, don't rebuild.

  npm 85

• Call2Me

  Place real phone calls, read transcripts, run a live interpreter and buy numbers.

  remote 84

• SRIFT

  Decentralized P2P file transfer + encrypted chat for AI agents. Military-grade AES-256. No accounts.

  remote · npm · pypi 84

• io.github.auroracapital/claude-ops-telegram-server

  Telegram personal-account MCP (MTProto user-auth). Read DMs, send messages, search across chats.

  npm 84

• com.bounceprotect.www/mcp

  Email validation and SMTP verification for Claude Desktop, Cursor, and Claude Code.

  npm 84

• com.politicalcomms/api

  Compliant political SMS/MMS from MCP clients: projects, contacts, analytics, billing.

  npm 84

• ZeroDrop

  Disposable email inboxes for AI agents — OTPs and magic links auto-extracted. No signup needed.

  npm 84

• phone-sms

  Read and send SMS through your own Android phone over KDE Connect on your LAN. No cloud relay.

  pypi 84

• io.github.helloaigent-dev/helloaigent-publisher

  Run a Hello Aigent feed from your agent: create feeds, publish signed updates, read analytics.

  npm 84

• io.github.piiiico/agentlair

  Give AI agents a real email address, vault, calendar, and task delegation via MCP.

  npm 84

• Slack_connect

  Slack MCP Pack

  remote 84

• agent-mailbox — Mailbox and Wake System for AI Agent Teams

  Mailbox + wake system for AI agent teams: letters always land, right agent wakes, quiet otherwise.

  pypi 84

• io.github.pooriaarab/vibelive

  Multiplayer for agentic coding terminals: live cursors, presence, chat.

  npm 84

• io.github.virtualsms-io/sms

  Real SIM numbers for AI agents: SMS verification, rentals, proxies, cloud browser, x402 deposits.

  remote · npm 84

• io.github.zkwasm/concord-mcp

  Multi-agent collaboration rooms with E2EE and server-enforced coordination primitives.

  npm 84

• Google Chat MCP

  MCP server for the Google Chat API: spaces, messages, threads, reactions and memberships.

  npm 83