Communication MCP Servers
Messaging and mail. These can write on your behalf, so the tool list is the thing to read first. 598 servers in the registry match this topic; 18 of the top ones are answering right now, exposing 583 tools between them. Checked every 15 minutes.
598 in this topic 18 of the top answering checked every 15 min
Ranked by uptime and installs
how the ranking worksGoogle Workspace MCP server for Gmail, Drive, Calendar, Docs, Sheets, Slides, Forms, Tasks, Chat.
Multi-tenant Telegram gateway for AI agents — HTTP+stdio, 8 tools, MTProto User API
Give an agent its own inbox: send, receive, and pull signup codes from real email.
Manage Subscribers, Broadcasts, Sequences, Automations, and reporting in Mailrith.
Email for AI agents: send mail, manage contacts, automations & webhooks. Zero-DNS first send.
Agent-run cold-email infra: 24 MCP tools, live sending, free sandbox. $99/mo, concierge go-live.
IMAP/SMTP email MCP server — 47 tools, IMAP IDLE push, multi-account, AI triage.
10 pay-per-call tools for AI agents: QR, screenshots, DNS, OCR, PDF, email & more. USDC on Base.
Official MCP server for esa.io - a documentation sharing service for teams
Native macOS MCP server — 82 tools for Mail, Calendar, Teams, OneDrive and more.
AI voice agents: assistants, calls, campaigns, leads, knowledge bases, WhatsApp, SMS & SIP trunks.
Local-first memory engine for AI-agent teams: team/project ACL, recall, and federated sync.
AI-powered WhatsApp chatbot platform with 196 tools for bots, campaigns, and contacts.
Shipmail MCP server for AI agent custom-domain email inboxes with REST API and webhooks.
Telegram channel analytics and statistics for AI agents, pay-per-call in USDC via x402.
Smarter Weather MCP: forecasts, alerts, outlooks, observations, AQI, grids, and map imagery.
23 API tools for Claude Code — email, DNS, SSL, NLP, scraping. Free tier included.
Telegram MCP server — dual-mode Bot API + MTProto, composite tools.
Give AI agents access to Gmail, Calendar, Drive, and more — multi-account, manifest-driven
Self-hosted multi-agent collaboration and audit layer for AI-assisted engineering teams
Google Workspace MCP server for Gmail, Calendar, Drive, Docs, Sheets, Slides, Contacts, and more
Connect AI clients to a caller-owned Discord bot with 201 tools over stdio or authenticated HTTP.
WasmAgent MCP server — WASM-sandboxed code execution with capability manifests and Tasks API.
Slack MCP server: channels, messages, threads, reactions, users, files, and scheduled messages
Verify email deliverability & find business emails (single or bulk) via the Verifox API.
MCP server for Slack — read/write messages, manage threads, and react to messages.
AI-powered OSINT agent & MCP server. 16 tools: email, breach, IP, WHOIS, DNS, Shodan, GitHub & more.
Microsoft Outlook MCP server — 22 tools for email, calendar, contacts, and mailbox management.
Unlimited agent mailboxes — create identities, read/wait for mail, extract OTPs, send email.
Connect Claude to your Gmail and Outlook inbox. Read, search, and manage emails via AI.
Zero-setup WhatsApp notifications + human-in-the-loop for AI agents — text 'join', send in 60s.
Slack MCP without OAuth — 21 tools, session-based, local-first. Free OSS + hosted tier from $19/mo.
Microsoft 365 Teams via Graph: list chats, read/send messages, list teams/channels, presence.
Microsoft 365 Outlook mail via Graph: read, search, send, reply, forward, draft, move, delete.
Connect AI to Nestr for Holacracy, Sociocracy, and self-organizing teams.
Programmable email inbox for AI agents — JMAP, PoW auth, stdio MCP server.
Send email, manage domains, DNS, webhooks, templates, and inbound routing on MailKite
MCP server for NetIntel — DNS, SSL, WHOIS, email security, OSINT via x402 micropayments
Read-only public Telegram group stats from Limzo: leaderboards, activity, levels. No API key.
Buy & manage domains from any AI chat: availability, register, DNS, email forwarding, AI bot stats.
Enables AI agents to interact with ConfigCat, a feature flag service for teams.
Agent wallet, email, phone, and 41 paid tools: search, image/video/music gen, SMS, calls.
Myers Park HS athletics — schedules, teams, rosters, coaches, news and broadcast links
Allow AI systems to read, send, archive, and manage emails via Gmail.
Microsoft 365 Outlook calendar via Graph: list, get, create, update, respond, free/busy.
FIFA World Cup 2026 data: matches, teams, venues, city guides, fan zones, and more.
AI-native Microsoft Teams integration — read chats, send messages, search people
MCP server for Telegram userbot — messages, media, reactions, polls & more. Built on GramJS/MTProto.