Best MCP Servers

Slack MCP Server

Slack access for MCP clients

Community server for Slack. Reads channels, threads and DMs, searches messages and can post, with several auth options including browser tokens and a Slack app.

slackmessagingchannelssearch

More in Communication

Discord MCP

Communication

Discord server access for Claude

Freediscordbot

Resend MCP

Communication

Send email with Resend from an assistant

Freemiumresendemail

Telegram MCP

Communication

Telegram through Telethon

Open sourcetelegrammessaging

Twilio MCP

Communication

Twilio APIs as MCP tools

Open sourcetwiliosms

WhatsApp MCP

Communication

Search and send WhatsApp messages

Open sourcewhatsappmessaging