Best Communication MCP servers
Communication MCP servers let an agent send and read messages across the channels your team and customers actually use — SMS and voice, chat servers, and team messaging. With them an agent can text an alert when a job finishes, post to a channel, read a thread for context before acting, or manage members and webhooks. The split to watch is transactional messaging providers (programmable SMS, WhatsApp, and voice billed per message) versus community and team chat platforms (real-time servers and workspaces). Because these tools can message real people, treat write access carefully: prefer servers that let you scope to specific senders, channels, or services, and keep send/post tools behind explicit approval where the platform supports it.
9 servers
Telegram
chigwell (Eugene Evstafev)
A maintained Telegram MCP server powered by Telethon: read chats, manage groups and contacts, and send or modify messages, media, and more from your agent.
LINE
LINE
LINE's official MCP server: push and broadcast text and flex messages, manage rich menus, and read profiles from your LINE Official Account.
Matrix
mjknowles (community)
A self-hosted MCP server for Matrix homeservers that lets agents read rooms and messages, send chats, and manage rooms over HTTP with OAuth.
Mattermost
cloud.ru (community)
A maintained MCP server for Mattermost that lets agents work with channels, messages, threads, reactions, users, teams, and files.
Rocket.Chat
enyonee
Community MCP server for Rocket.Chat: read and post messages, manage threads, DMs, files, reactions, and pins across your team chat.
Twilio
Twilio
Twilio's official MCP server: drive SMS, voice, Verify, Lookup, and 1,400+ Twilio API endpoints as tools.
Discord MCP
barryyip0625
Maintained community MCP server that lets an agent run a Discord bot: messages, channels, forums, roles, and webhooks.
Zoom
Zoom
Zoom's official remote MCP server gives agents semantic search over meetings, chat, and docs, plus recording assets and Zoom Doc creation over OAuth.
Vonage
Vonage
Vonage's official MCP server: send SMS, WhatsApp, RCS, and voice messages, manage numbers and applications, and pull account reports from your agent.