MCP Catalog

Browse 368 Model Context Protocol servers · Communication & Messaging · MIT LicenseClear

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CategoryAll Data & Databases· 2,860 Development & Coding· 2,793 Search & Web· 2,475 Finance & Crypto· 2,251 Productivity & Docs· 2,207 Commerce & Marketing· 2,197 Cloud & DevOps· 2,043 Knowledge & Memory· 1,825 Security· 1,810 AI & Machine Learning· 1,664 Media & Design· 1,068 Communication & Messaging· 832 Browser & Automation· 668 Other· 280

Whatsapp MacosOfficial

io.github.kalki-kgp/whatsapp-macos

WhatsApp MCP for macOS - Read messages from local DB, send via WhatsApp Web.

Communication & Messaging

LAMB2Pythonv0.1.1pypi

Agent CommOfficial

io.github.keshrath/agent-comm

Agent intercommunication - messaging, channels, shared state, and real-time events

Communication & Messaging

LAMB4TypeScriptv1.3.11npm

Che Apple Mail MCPOfficial

io.github.kiki830621/che-apple-mail-mcp

Apple Mail MCP — 44 tools, SQLite millisecond search, .emlx parser, batch ops

Communication & MessagingProductivity & Docs

LAMA6Swiftv2.0.1mcpb

RoomcommOfficial

io.github.kotinder/roomcomm

Ephemeral REST chatrooms for AI agents to coordinate. Share a room URL — agents talk live.

Communication & Messaging

LAMA0Python7 toolsv1.0.1remote

SignforgeOfficial

io.github.kumarprobeops/signforge

Send documents for e-signature from AI agents. Upload, sign, and download PDFs.

Productivity & DocsCommunication & Messaging

LAMC0TypeScriptv1.2.2npm

UnlinkedOfficial

io.github.larsbaunwall/unlinked

MCP server that brings your LinkedIn professional profile and experience into your context.

Communication & MessagingKnowledge & Memory

LAMB3TypeScriptv1.0.4npm

Outlook AssistantOfficial

io.github.littlebearapps/outlook-assistant

Microsoft Outlook MCP server — 22 tools for email, calendar, contacts, and mailbox management.

Communication & MessagingProductivity & Docs

LAMA25JavaScriptv3.8.1npm

Outlook MCPOfficial

io.github.littlebearapps/outlook-mcp

Microsoft Outlook MCP server — 20 tools for email, calendar, contacts, and settings via Graph API.

Communication & MessagingProductivity & Docs

LAMA25JavaScriptv3.2.1npm

Inbox Check — Email Deliverability TestOfficial

io.github.live-direct-marketing/inbox-check

Email inbox placement tests across Gmail, Outlook, Yahoo, Mail.ru, Yandex (SPF/DKIM/DMARC).

Communication & MessagingCommerce & Marketing

LAMB1JavaScriptv0.1.2npm

Nostr Ops MCPOfficial

io.github.llmops-pro/nostr-ops-mcp

Nostr publishing, queries, and DMs for AI agents, with allowlists, rate limits, and an audit log.

Communication & MessagingFinance & Crypto

LAMA0TypeScriptv0.2.3npm

QoramiOfficial

io.github.loicfontaine-max/qorami

Check an email before an AI agent sends it: send / ask a human / block. Detects prompt injection.

Communication & MessagingSecurity

LAMA2Pythonv1.0.0npm

News Monitor MCPOfficial

io.github.malkreide/news-monitor-mcp

Aggregated news monitoring across Swiss public media RSS feeds

Search & WebCommunication & Messaging

LAMA0Pythonv0.3.3pypi

WhatsApp Web MCP ServerOfficial

io.github.mario-andreschak/mcp-whatsapp-web

MCP server for WhatsApp via whatsapp-web.js: send/receive messages, media, chats, groups, contacts

Communication & Messaging

LAMA16TypeScriptv1.1.0npm

Email MCPOfficial

io.github.marlinjai/email-mcp

Unified email MCP server for Gmail, Outlook, iCloud, and IMAP with batch operations

Communication & Messaging

LAMA16TypeScriptv1.2.3npm

DietBoxOfficial

io.github.mcp-dir/dietbox-mcp

Patient, prescription, anthropometry, scheduling, chat and food diary management for dietitians.

Productivity & DocsCommunication & Messaging

LAMA0v0.1.0remote

Telegram (mcp-telegram)Official

io.github.mcp-telegram/mcp-telegram

MCP server for Telegram userbot — messages, media, reactions, polls & more. Built on GramJS/MTProto.

Communication & Messaging

LAMA18TypeScriptv1.41.0npm

Instagram MCPOfficial

io.github.mcpware/instagram-mcp

Instagram MCP — 23 tools for Instagram Graph API: posts, DMs, stories, reels, analytics.

Communication & MessagingCommerce & Marketing

LAMB19Pythonv1.0.4npm

Bashdog MCPOfficial

io.github.medelin/bashdog-mcp

Submit & browse funny AI quotes on bash.dog — bash.org for the AI age. Agents self-register.

Communication & Messaging

LAMA1JavaScriptv1.1.1npm

RelayOfficial

io.github.mhcoen/mcp-relay

MCP relay server for Claude Desktop <-> Claude Code communication

Communication & MessagingDevelopment & Coding

LAMC4Pythonv1.2.4pypi

Twelvelabs MCP ServerOfficial

io.github.micro-JAY/twelvelabs-mcp-server

MCP server for ElevenLabs Conversational AI (not TwelveLabs video) — agents, KB, voices

Communication & MessagingAI & Machine Learning

LAMA0TypeScriptv1.0.1npm

MetaOfficial

io.github.mikusnuz/meta

MCP server for Instagram Graph API, Threads API & Meta platform management

Communication & MessagingCommerce & Marketing

LAMC9TypeScriptv2.0.1npm

Rocketchat MCPOfficial

io.github.millerchou/rocketchat-mcp

MCP server for Rocket.Chat — messages, DMs, search, files, and channels over stdio

Communication & Messaging

LAMA1Pythonv0.1.0pypi

Email Guard MCPOfficial

io.github.mlawsonking/email-guard-mcp

Email safety for AI agents: scan inbound for prompt-injection/phishing + outbound for secret leaks.

SecurityCommunication & Messaging

LAMA0JavaScript332/mov1.0.1npm

ArelayOfficial

io.github.mmmikael/arelay

Encrypted inbox for AI agents — deliver reports and files, and submit email for human review.

Communication & Messaging

LAMA9TypeScriptv0.1.5npm