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MCP servers · Communication

50 listings on this page, in order of arrival. Each one has its own page with README, repository facts and source links.

  1. MailFathom ★ 14
    Security-first, self-hosted email archive with search, cited answers, and sending for AI agents.
  2. Eli
    AI ops team for founders: approvals queue, inbox triage, briefing, follow-up drafting.
  3. MailFlat
    Real email inboxes for AI agents: open an address, read the one-time code, send mail.
  4. MailboxValidator ★ 1
    Email validation MCP server using the MailboxValidator API. It can validate email addresses.
  5. ManyContacts - WhatsApp Business CRM
    WhatsApp Business CRM: send messages, manage contacts, campaigns, and AI agents.
  6. ManyContacts - WhatsApp Business MCP
    WhatsApp Business MCP: send messages, manage contacts, campaigns, and AI agents.
  7. Microsoft Teams API ★ 6
    AI-native Microsoft Teams integration — read chats, send messages, search people
  8. e2a — email for AI agents ★ 188
    Authenticated email gateway for AI agents — per-agent inboxes, HITL approval, SPF/DKIM verified.
  9. AgentCanary
    Retired compatibility stub for AgentCanary MCP. Daily briefs continue on X and Telegram.
  10. WhatsApp Chat Reader (Unofficial)
    Unofficial read-only MCP server for your local WhatsApp chat history (stays on your machine).
  11. AgentPing
    Let your AI agent notify you by email, Slack, Discord, or webhook. One tool: send_notification.
  12. io.github.Oratorian/discord-node-mcp
    MCP server for controlling Discord servers via bot token
  13. io.github.OrygnsCode/omnicord ★ 7
    Discord server management MCP for AI agents: chat, moderation, admin, and full server building.
  14. HTML Email Playbook
    Teaches AI to write HTML email that renders in Outlook, Gmail, and Apple Mail. 19 rules, 6 comps.
  15. io.github.PaSympa/discord-mcp ★ 21
    A lightweight, multi-guild Discord MCP server with 95+ tools
  16. io.github.ParthJadhav/telegram-notify-mcp ★ 7
    Send Telegram notifications from AI agents — text, photos, and documents.
  17. aiogram-mcp ★ 3
    MCP server for aiogram Telegram bots — 30 tools, 7 resources, 3 prompts, event streaming
  18. ox-mcp
    MCP server for Open-Xchange: email (IMAP/SMTP), Sieve filters, CalDAV calendar, CardDAV contacts
  19. Obambu cPanel MCP
    MCP server exposing cPanel UAPI (domains, DNS, email, MySQL, files) as tools for AI assistants.
  20. io.github.Selenium39/mcp-server-tempmail ★ 10
    MCP server for temporary email management using ChatTempMail API
  21. Email Inbox API + Sending by Sendmux ★ 73
    AI email inbox and sending tools with attachments, search, live events, and webhooks.
  22. io.github.SergioRico1/thrd
    Thrd MCP: agent email tools for events/threads, safe send/reply, usage, trust and security.
  23. io.github.SuperAngryMonkey/iris
    Microsoft 365 mail MCP: drafts into Outlook; sending off by default, opt-in via IRIS_ENABLE_SEND.
  24. Microsoft Teams ★ 2
    Connect Claude to Microsoft Teams — read/send messages, list channels, search chats.
  25. IMAP MCP Pro
    Production IMAP & SMTP for Claude: multi-account email search, triage, send, and spam checks.
  26. ExpenseBot
    Capture receipts, scan Gmail, analyze spending, and create reviewed reports from AI assistants.
  27. Agent Email ★ 6
    Local email connectivity for AI agents — read, draft, send, and organize Outlook mail via MCP
  28. io.github.VikrantSingh01/adaptive-cards-mcp ★ 31
    Generate, validate, and optimize Adaptive Cards for Teams, Outlook, and Copilot.
  29. Abnormal Security
    MCP server for Abnormal Security — AI-powered email threat detection, cases, and remediation.
  30. Avanan ★ 1
    MCP server for Check Point Harmony Email & Collaboration (Avanan) email security.
  31. Mimecast ★ 1
    MCP server for Mimecast email security: message queue, held messages, domains, and threats.
  32. Proofpoint ★ 2
    MCP server for Proofpoint TAP — threat intelligence, forensics, quarantine, and email security.
  33. SpamTitan
    MCP server for SpamTitan email security — quarantine, allow/block lists, and policy management.
  34. Wavix ★ 3
    Hosted MCP server for the Wavix telecom platform: SMS, voice, 2FA, SIP, numbers, 10DLC, CDRs.
  35. Mektup
    Fully-managed email as MCP tools - register domains, real mailboxes, send and receive mail.
  36. io.github.Yersat/chatflow
    WhatsApp CRM for AI agents: search contacts, read chats, manage the sales pipeline, send messages.
  37. Notify MCP Server ★ 28
    MCP Server for notify to Weixin, Telegram, Bark, Lark, Feishu, DingTalk
  38. Slack ★ 2
    Read and write Slack with session tokens — no OAuth, no bot, no admin approval.
  39. io.github.abryfs/willitsend ★ 1
    Deterministic pre-send lint for SMS/iMessage: silent carrier filtering and segment blowups.
  40. io.github.adamVass/pylos-mcp
    Read-focused, prompt-injection-hardened email MCP server for any IMAP provider
  41. io.github.adecubed/gigamail ★ 5
    Your real mailbox and calendar for your agent (M365/IMAP); a human approves every send.
  42. Multi-account MCP for Gmail, Calendar, Drive, Docs, and Sheets — 61 tools, token ★ 2
    Multi-account MCP for Gmail, Calendar, Drive, Docs, and Sheets — 61 tools, token-efficient, macOS…
  43. Multi-workspace Slack MCP server with draft+confirm safety, vault auto-export, a ★ 1
    Multi-workspace Slack MCP server with draft+confirm safety, vault auto-export, and triple-mode…
  44. WhatsApp MCP
    WhatsApp MCP. SQLCipher-encrypted, scrubber-CI-gated, draft-and-confirm sends, voice transcription.
  45. Pickle ★ 3
    Free, local MCP server that audits ClickUp, Slack & Teams for work that slipped through.
  46. Leporis WhatsApp
    Send and read WhatsApp messages on your Leporis account from AI coding agents, via your own API key.
  47. io.github.aernouddekker/facetimemcp ★ 5
    MCP server for macOS FaceTime — initiate phone, FaceTime audio, and FaceTime video calls
  48. io.github.aernouddekker/mailappmcp ★ 5
    MCP server for macOS Mail.app — gives Claude native email access via AppleScript
  49. io.github.agenticmail/mcp ★ 219
    Real email and SMS for AI agents — send mail, receive verification codes, drive a real inbox.
  50. io.github.ajemba/codasms-mcp
    Receive one-time SMS/OTP verification codes via the CODASMS API: get a number, wait, release.