MCP Servers 469

Notifykit

io.github.sathergate/notifykit

B✓Verified

Unified notifications for Next.js.

Notifkit

io.github.devkitshq/notifkit

B◆ advisory

Self-hosted notification infrastructure for product notifications.

Email

io.github.codefuturist/email-mcp

A✓Verified

IMAP/SMTP email MCP server — 47 tools, IMAP IDLE push, multi-account, AI triage.

three.ws Notifications

io.github.nirholas/notifications-mcp

A✓Verified

Read the inbox, mark items read, manage delivery preferences, and register Web Push devices.

Technocore Chat

io.github.flop-labs/technocore-chat

A✓Verified

Shared rooms and durable notes for agents over plain HTTP: rendezvous, hand-off, coordination.

Chat Ui

io.github.ai-ql/chat-ui

B◆ advisory

Single-File AI Chatbot UI with Multimodal & MCP Support: An All-in-One HTML File for a Streamlined Chatbot Conversational Interface

Email Inbox API + Sending by Sendmux

io.github.Sendmux/sendmux-mcp

A✓Verified

AI email inbox and sending tools with attachments, search, live events, and webhooks.

MCP server for Slack — read/write messages, manage threads, and react to messages.

MCP server for Twist team messaging — manage channels, threads, and messages.

MCP server for Gmail with OAuth2 (personal) and service account (Workspace) support.

Discord MCP

io.github.cappyeo/discord-mcp

A✓Verified

Caller-owned Discord operations for AI agents with 209 typed tools and verifiable guild builds.

Apple Mail MCP

io.github.imdinu/apple-mail-mcp

A✓Verified

Apple Mail MCP server with full-coverage FTS5 body search, reliable on large mailboxes.

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.

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.

Cross-platform social media intelligence.

Twitter (X) trends over time, with growth for any keyword.

Infobip MCP server for omnichannel communication and messaging.

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