💬Communication MCP servers

Read, send and search emails from Claude

Send, search and summarize Slack messages

No-code MCP client for team chat platforms, such as Slack, Microsoft Teams, and Discord.

A community discord server dedicated to MCP by [Frank Fiegel](https://github.com/punkpeye)

Open Source MCP Infra. Hosted MCP servers and MCP clients on Slack and Discord.

Turn any REST API into a hosted MCP server. 18 free public servers (GitHub, Stripe, Slack, OpenAI, Notion, and more) — no setup required, bring your own API key

MCP server for DeepSeek AI with chat, reasoning, multi-turn sessions, function calling, thinking mode, and cost tracking.

MCP server for the Registry Broker. Discover, register, and chat with AI agents on the Hashgraph network.

A comprehensive MCP server aggregating 20+ tools including SEO optimization, document conversion, domain lookup, email validation, QR generation, weather data,

Seamlessly and securely connect Claude Desktop and other MCP hosts to your favorite apps (Notion, Slack, Monday, Airtable, etc.). Takes less than 90 secs.

Generate beautiful Excalidraw architecture diagrams with auto-layout, architecture-aware component styling, and stateful editing. 50+ technology mappings includ

AI-native architecture platform for engineering teams. Describe a system in natural language (e.g. "payment service with Stripe, Kafka, PostgreSQL") → get an in

HEOR (Health Economics and Outcomes Research) MCP server with 7 tools for literature search across 41 medical data sources (PubMed, NICE, CADTH, ICER, etc.), co

Clinical research MCP server for trial coordinators and life sciences teams. Real-time access to PubMed (35M+ papers) and ClinicalTrials.gov (400K+ trials). No

MCP Server for Kubernetes integrated with Open-WebUI, bridging the gap between DevOps and non-technical teams. Supports kubectl and helm operations through natu

An MCP server (and command-line tool) to provide a dynamic map of chat-related files from the repository with their function prototypes and related files in ord

An MCP server to create inboxes on the fly to send, receive, and take actions on email. We aren't AI agents for email, but email for AI Agents.

Message queue for AI coding assistants. Let AI agents (Claude Code, Cursor, Codex) send messages to each other across sessions and machines. UUID-based auth, se

TSgram: Telegram + Claude with local workspace access on your phone in typescript. Read, write, and vibe code on the go!

An MCP server that securely interfaces with your iMessage database via the Model Context Protocol (MCP), allowing LLMs to query and analyze iMessage conversatio

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

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

Email infrastructure for AI agents. Create inboxes on the fly, send and receive real emails, search messages, and manage threads via API. Install with npx clawa

IMAP/SMTP email MCP server with 42 tools for reading, searching, sending, scheduling, and managing emails across multiple accounts. Supports IMAP IDLE push, AI

Email read tracking via Gmail. Send tracked emails, check if they were opened with open count, device, and timing.

An MCP server for Inbox Zero. Adds functionality on top of Gmail like finding out which emails you need to reply to or need to follow up on.

Send physical mail with Solana payments — AI agents can compose, price, and send letters and postcards via cryptocurrency.

Full-featured Telegram Bot API MCP server with 174 tools covering the entire Bot API.

Go-based MCP server for Telegram Archive. Search and browse Telegram chat history, list chats, and retrieve messages with full-text search. Docker image availab

Fast MCP server for Apple Mail — 87x faster email fetching via batch JXA and FTS5 search index for ~2ms body search. 6 tools: list accounts/mailboxes, get email

MCP server that integrates Microsoft Teams messaging (read, post, mention, list members and threads)

Receive SMS verification codes with AI agents. Get virtual phone numbers for WhatsApp, Telegram, Google, and 500+ services. Own modem infrastructure across 200+

A MCP server along with MCP host that provides access to Mattermost teams, channels and messages. MCP host is integrated as a bot in Mattermost with access to M

MCP server to interact with browser-based meeting platforms (Zoom, Teams, Google Meet). Enables AI agents to send bots to online meetings, gather live transcrip

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

The most powerful MCP server for Slack Workspaces.

Connect Claude, Cursor, Windsurf and other AI agents to macOS native apps: Mail, Calendar, Contacts, Reminders, Notes, iMessage, Finder, Safari, OmniFocus, Micr

Ask your AI assistant to search your inbox, send emails, schedule meetings, manage contacts, and configure mailbox settings — without leaving the conversation.

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-m

Email for AI agents. Send and receive as markdown with configurable human oversight (monitor, gate, or fully autonomous).

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

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

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

MCP server middleware for aiogram Telegram bots — 30 tools, 7 resources, 3 prompts covering messaging, rich media, moderation, interactive keyboards, real-time

A MCP server for the Discord integration. Enable your AI assistants to seamlessly interact with Discord. Enhance your Discord experience with powerful automatio

MCP server for Zoho Mail. Read, search, and send email from Claude.

MCP server that connects to Microsoft Office and the whole Microsoft 365 suite using Graph API (including Outlook, mail, files, Excel, calendar)

Give AI agents a real phone number and voice. Make outbound calls, handle inbound calls, send email, and manage contacts via 26 MCP tools. ~500ms voice latency