Best Communication MCP Servers

Provides a bridge between Microsoft 365 services and natural language interfaces, enabling access to email, calendar, OneDrive files, and Excel operations through the Microsoft Graph API with simplified authentication and parameter handling.

Interact with X (Twitter) by posting tweets and searching for tweets through the X API.

Provides IMAP/SMTP email access for reading messages and sending emails with secure connection support and environment-based credential management.

Feishu/Lark

Official

Integrates with Feishu/Lark's collaboration suite, enabling AI assistants to interact with productivity tools through the official Node.js SDK.

Enables sending customizable messages to external webhook endpoints, facilitating automated notifications and workflow integrations.

Integrates with Microsoft Teams through Graph API to search messages, manage chats and channels, send messages, create group chats, and handle user/team operations with device code authentication for secure access.

Slack

Experience the most powerful MCP server for Slack workspaces with advanced message and channel support. This feature-rich server allows fetching messages from channels, threads, DMs, and group DMs with embedded user info and smart history pagination by date or count. It supports enterprise workspaces, caching for faster access, and flexible transports like Stdio and SSE with proxy settings. Designed for stealth operation or secure access via OAuth, it integrates channel and thread lookups by name or ID to give rich, contextual Slack workspace data efficiently and reliably. Perfect for developers needing robust Slack data handling.

Connects to Fastmail servers via JMAP protocol to enable email reading, searching with advanced filters, and content retrieval for conversational email management.

Integrates WeCom (WeChat Work) bot functionality for enterprise messaging, notifications, and interactive chatbots.

Manage your emails effortlessly with a standardized interface for drafting, sending, retrieving, and organizing messages. Streamline your email workflow with complete Gmail API coverage, including label and thread management.

Integrates with Asterisk phone systems to enable outbound call operations, conversation monitoring, call history retrieval, and telephony system metrics tracking for business automation workflows.

Enables real-time communication with Telegram users via bots, supporting asynchronous messaging and secure chat interactions.

Bridges AI with Telegram to enable monitoring, organizing, and responding to messages through account access, dialog management, and conversation handling capabilities

Provides multi-channel notification capabilities through desktop notifications, email via SMTP, and HTTP API endpoints with a single tool that simultaneously delivers alerts across all configured channels.

Integrates Gmail functionality, enabling email search, message retrieval, and attachment downloads via Google Apps Script.

Integrates with Migadu's email hosting API to manage mailboxes, aliases, identities, and rewrite rules with bulk operations, password resets, and autoresponder configuration.

Integrates with Discord's API to provide server management capabilities including messaging, moderation, role management, event scheduling, and community administration through 46+ specialized tools with robust error handling and deployment support.

Provides a bridge between Twitter's API and conversational interfaces, enabling comprehensive platform interaction including profile management, tweet operations, timeline access, and search functionality.

Integrates with email providers to enable sending and receiving emails, automating workflows and managing communications via IMAP and SMTP functionality.

Enables remote control of Android phones through ADB commands for making calls, sending texts, taking screenshots, managing contacts, launching apps, and retrieving system information.

Mailtrap Email API

Official

Enables sending transactional emails through the Mailtrap Email API.