MCP Servers 241

Postmark

io.github.activecampaign/postmark-mcp

B◆ advisory

Official Postmark MCP server by ActiveCampaign — 24 tools to send, template, search, and diagnose transactional email from Claude, Cursor & other AI assistants.

Matrix

io.github.mjknowles/matrix-mcp-server

E◆ advisory

MCP Server for a Matrix home server integration; chat, manage rooms, etc.

Slack Explorer MCP

io.github.shibayu36/slack-explorer-mcp

B✓Verified

MCP server specialized in retrieving information from Slack messages and threads

Fast Telegram

io.github.leshchenko1979/fast-mcp-telegram

A✓Verified

Multi-tenant Telegram gateway for AI agents — HTTP+stdio, 8 tools, MTProto User API

Kiro Discord Bot

io.github.nczz/kiro-discord-bot

B◆ advisory

Discord control plane for project-bound ACP agents (Kiro CLI/OMP) with MCP policy, cron/audit, and A2A over NATS/JetStream.

Telegram (mcp-telegram)

io.github.mcp-telegram/mcp-telegram

A✓Verified

MCP server for Telegram userbot — messages, media, reactions, polls & more.

prompts.chat MCP Server

io.github.f/prompts.chat-mcp

C✓Verified

Search and retrieve AI prompts from prompts.chat, the social platform for AI prompts.

Better Email

io.github.n24q02m/better-email-mcp

A✓Verified

IMAP/SMTP MCP server for Email with composite tools.

Slack MCP Server

io.github.jtalk22/slack-mcp-server

A✓Verified

Catch up on Slack without reading it.

Notify MCP Server

io.github.aahl/mcp-notify

B✓Verified

MCP Server for notify to Weixin, Telegram, Bark, Lark, Feishu, DingTalk

WhatsApp Web MCP Server

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

A✓Verified

WhatsApp MCP via web.js or browserless Baileys: messages, media, chats, groups and contacts

Messages

io.github.cardmagic/messages

A✓Verified

Fuzzy search and browse Apple Messages/iMessage from CLI or MCP server

Discord

io.github.PaSympa/discord-mcp

A✓Verified

A lightweight, multi-guild Discord MCP server with 95+ tools

Multi Gmail

io.github.gx-55/multi-gmail-mcp

A✓Verified

Manage multiple Gmail accounts in Claude Desktop — search, send, reply, draft, and organize.

Email

io.github.marlinjai/email-mcp

B✓Verified

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

Gmail

io.github.domdomegg/gmail-mcp

B✓Verified

Allow AI systems to read, send, archive, and manage emails via Gmail.

Apple Mail

io.github.JonathanRReed/apple-mcp-mail

A✓Verified

Read, search, compose, and send emails via Apple Mail on macOS.

Apple Messages

io.github.JonathanRReed/apple-messages-mcp

A✓Verified

Read Messages history on macOS and send or reply through Messages.app.

Better Telegram MCP

io.github.n24q02m/better-telegram-mcp

A✓Verified

Telegram for AI agents: messages, chats, media, and contacts in bot and user-account modes.

Microsoft 365 Mail

io.github.mindstone/mcp-server-microsoft-mail

B✓Verified

Microsoft 365 Outlook mail via Graph: read, search, send, reply, forward, draft, move, delete.

Email (IMAP/SMTP)

io.github.mindstone/mcp-server-email-imap

B✓Verified

Email IMAP/SMTP MCP server: iCloud, Gmail, Yahoo, Outlook, and custom IMAP providers

Slack

io.github.mindstone/mcp-server-slack

B✓Verified

Slack MCP server: channels, messages, threads, reactions, users, files, and scheduled messages

notifyd

io.github.rmzlb/notifyd

A✓Verified

Operate a self-hosted notifyd instance: digest, jobs, retries, suppressions, projects, test sends.

Sms

io.github.virtualsms-io/sms

A✓Verified

Real SIM numbers for AI agents: SMS verification, rentals, proxies, cloud browser, x402 deposits.