Communication MCP servers

Official Discourse MCP server for forum integration. Search topics, read posts, manage categories and tags, discover users, and interact with Discourse communities.

Write and preview emails from your assistant. Renders markdown into email-safe HTML that holds up in Outlook and Gmail, lints drafts for deliverability problems, and returns a live preview link. Hosted with no API key, or run it locally with npx emailmd mcp.

Email deliverability testing for agents. Four tools: get a disposable test address, wait for the report once the message arrives, read it, and fetch the raw source. The report has 42 checks (SPF, DKIM, DMARC, 21 blocklists, two spam engines, Gmail and Yahoo bulk sender rules), each linked to its RFC, plus a fix plan. Remote endpoint, no API key.

Agent-to-agent messaging relay. Discover agents, send messages, and receive replies. Zero-config.

Telegram API integration for accessing user data, managing dialogs (chats, channels, groups), retrieving messages, and handling read status

IMAP/SMTP email MCP server with 42 tools for reading, searching, sending, scheduling, and managing emails across multiple accounts. Supports IMAP IDLE push, AI triage, desktop notifications, and auto-detects providers like Gmail, Outlook, and iCloud.

Real email and SMS for AI agents. Run a local mail server with disposable inboxes, send/receive real email, fetch verification codes, and drive a real inbox — all from your machine, no third-party email API. Install with npx @agenticmail/mcp.

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

Give AI agents access to Gmail, Calendar, Drive, and more — multi-account, manifest-driven

Mac & Windows: let ChatGPT, Claude & Cursor use your email, calendar, iMessage, Teams, files.

Local-first Proton Mail MCP server and CLI via Proton Mail Bridge: search, read, draft, send, triage threads, answer calendar invitations, reply reminders, multiple accounts, and a local SQLite index. Safety presets from read-only to full, with send confirmation and an outbound-to-self mode.

CampfireSMS is a two-way SMS transport between a verified phone number and an AI agent. Enroll at campfiresms.com and verify your phone before connecting. Local Codex and Grok Build use npx -y @campfiresms/setup YOUR_INSTALLATION_CODE (Node.js 18+, Python 3.12+); keep the computer online and the agent running. Hosted MCP at https://api.campfiresms.com/mcp requires Authorization: Bearer ; adding the URL alone is insufficient. Grok Bot can wake through a separately configured webhook routine. The agent supplies its own model and tools; SMS replies steer work and do not replace native approvals. Free verification demo, monthly plan, and one-time message packs. Setup: https://campfiresms.com/install.html.

Telegram MCP server via MTProto/GramJS — 20 tools for reading chats, searching messages, downloading media, managing contacts. QR code login, npx zero-install. Hosted version at mcp-telegram.com.

Phone numbers for AI agents: order a private number, read the SMS verification code, hand it back.

Operate one or many LINE Official Accounts from any AI agent — through natural language, no code. Send broadcasts, design Flex messages and tappable Rich Messages, build Thai-ready rich menus (Rich Menu Studio), manage audiences, coupons, and insights. Ne

Give AI agents real phone numbers, messages, and voice calls via MCP.

Official mailtrap.io MCP server

Ask your AI assistant to search your inbox, send emails, schedule meetings, manage contacts, and configure mailbox settings — without leaving the conversation. Works with Claude, Cursor, Windsurf, and any MCP-compatible client.

Autonomous agent payments: wallet, email, web search, image/video/music gen, X search, code exec.

Permissioned search and cited answers over Slack, Drive, Gmail, Jira, and 50+ workplace sources.

Microsoft Outlook MCP server — 20 tools for email, calendar, contacts, and settings via Graph API.

An ntfy MCP server for sending/fetching ntfy notifications to your self-hosted ntfy server from AI Agents 📤 (supports secure token auth & more - use with npx or docker!)

Lightweight multi-guild Discord MCP server with 60+ tools for messages, channels, roles, forums, webhooks, and moderation.

Your complete Slack context for Claude—DMs, channels, threads, search. No OAuth apps, no admin approval. --setup and done, 11 tools, auto-refresh.

Draft, translate and update Help Center articles and manage Zendesk tickets from your AI assistant.

IMAP/SMTP email MCP server with App Passwords (no OAuth2). Auto-discovers Gmail, Outlook, Yahoo, iCloud. 5 composite tools: search, read, send, reply, forward. Multi-account support.

PubNub MCP for Real-time messaging. API Access and SDK documentation.

Unified MCP server for email across Gmail (REST API), Outlook (Microsoft Graph), iCloud, and generic IMAP/SMTP. 24 tools for search, send, organize, and batch-manage emails with built-in OAuth2 and encrypted credential storage.

Telegram CLI for AI agents — your whole account in the terminal, local-first search, MCP server and full Bot API.

AI-native email marketing. Campaigns, automations, transactional, contacts, and analytics.

Gmail MCP server — scope-gated tools + attachment/download path jails + supply-chain hardening. Fork of GongRzhe/Gmail-MCP-Server via ArtyMcLabin's intermediate fork.

Give AI agents full read/write email access via Mozilla Thunderbird. Zero credentials.

Email inbox API for AI agents with MCP tools for Mailbox, Management, and Sending APIs.

Find test gaps, generate grounded tests, and dynamically prove behavior with mutation testing.

CLI and local MCP server for the MAX messenger: personal account and Bot API access for Claude, Codex and Cursor.

Mobile proxies, SMS verifications, and global eSIM data plans for AI agents.

Meeting bot and transcripts for Google Meet, Teams and Zoom. Live or after, speakers labelled.

Telegram API integration for accessing user data, managing dialogs (chats, channels, groups), retrieving messages, sending messages and handling read status.

Disposable email for AI agents: create a throwaway inbox and read verification emails over MCP.

Multi-account email MCP server for SMTP sending, IMAP search, replies, attachments, and inbox organization

Collaboration rooms for AI agents. Create rooms, join with agentToken, exchange messages in real time via SSE. Supports MCP and A2A protocols. Self-hostable or use the hosted version at join.cloud.

Local-first cognitive substrate for neurodivergent professionals: a translator for corporate ambiguity, a planner, and a guardrail that declines to amplify rumination, hyperfocus, or sycophancy. Hosted stateless tools over OAuth.

25 tools for searching, analyzing, and exploring your iMessage history on macOS.

This is an MCP server for interacting with the VRChat API. You can retrieve information about friends, worlds, avatars, and more in VRChat.

AI-powered OSINT agent & MCP server. 16 tools: email, breach, IP, WHOIS, DNS, Shodan, GitHub & more.

Inspect and control Asterisk (AMI) and FreeSWITCH (ESL) PBX servers from your AI assistant.

AI-powered Adaptive Card generation for Teams, Outlook, Copilot, and ChatGPT. 9 MCP tools for generating, validating, optimizing, templating, and transforming cards with accessibility scoring and host compatibility checks.

Hands your AI an entire Discord server: 148 tools covering chat, moderation, automod, events, and full administration, up to building a complete community server from one paragraph. One-command guided setup, and every destructive action previews and waits for your confirmation.

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

Email marketing automation MCP server for Sequenzy. Manage subscribers, lists, segments, templates, campaigns, sequences, transactional emails, analytics, and AI-generated email content. Install: npx -y @sequenzy/mcp.

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

MCP server for the Ethora chat & messaging platform: chat ops, AI agents, RAG, automation.

MCP server for WhatsApp via whatsapp-web.js: send/receive messages, media, chats, groups, contacts

MCP server for the Ethora chat & messaging platform: chat ops, AI bots, RAG, ERC-20 wallet.

Agent intercommunication - messaging, channels, shared state, and real-time events

AI-native Microsoft Teams integration — read chats, send messages, search people

Send and receive fmsg federated messages from any AI agent via a deployed fmsg Web API