Communication MCP Servers
10 MCP servers connect AI assistants like Claude and ChatGPT to the communication tools your business already runs on — including Gmail, Outlook, Twilio. Pick a server below to see what it does, whether it's officially maintained, and what an assistant can automate with it.
Gmail
Read emails, search inboxes, draft messages, and manage labels. Email organization and smart responses.
About the Gmail MCP server →Outlook
Access Outlook mailboxes, read calendar events, and manage messages. Microsoft email infrastructure integration.
About the Outlook MCP server →Twilio
Send SMS messages, manage phone calls, and access communication logs. Handle messaging workflows and notifications.
About the Twilio MCP server →Intercom
Connect to Intercom's customer messaging platform. Access conversations, customer data, and help center articles.
About the Intercom MCP server →LINE
Integrate with LINE Messaging API. Connect AI agents with LINE Official Accounts for messaging.
About the LINE MCP server →Mailgun
Interact with Mailgun email API for transactional email delivery, tracking, and analytics.
About the Mailgun MCP server →Fathom
Search and summarise recorded meetings — pulling transcripts, summaries, and action items from Fathom to draft follow-ups and answer questions about past calls.
About the Fathom MCP server →Postmark
Send single and batch transactional emails, manage and validate templates, search message history, and diagnose delivery failures, bounces, and suppressions in Postmark.
About the Postmark MCP server →Resend
Send and schedule emails, manage contacts and audience segments, create broadcasts and templates, build automations, and configure sending domains in Resend.
About the Resend MCP server →Zoom
Schedule Zoom meetings, send chat messages, and pull meeting summaries, notes, and action items into other tools via Zoom's product-area MCP servers.
About the Zoom MCP server →Want this connected to your business — with governance handled?
Crox maps your processes, connects AI to the tools you already use, and keeps it working as models change. Start with a readiness assessment or talk to us about a build.