MCP Servers 165

Render markdown into email-safe HTML, lint drafts for deliverability problems, and preview emails.

Atomic Mail

io.github.Atomic-Mail/mcp

A✓Verified

Programmable email inbox for AI agents — JMAP, PoW auth, stdio MCP server.

Whatsapp Cloud

io.github.codespar/mcp-whatsapp-cloud

A✓Verified

MCP server for WhatsApp Cloud API (Meta) — messages, media, and templates via Graph API

Twilio

io.github.codespar/mcp-twilio

A✓Verified

MCP server for Twilio — global SMS, WhatsApp, Voice, Verify, and Lookup across 180+ countries

Gmail Server

io.github.ArtyMcLabin/Gmail-MCP-Server

A✓Verified

Lean Gmail MCP server with auto authentication support

Authenticated email gateway for AI agents — per-agent inboxes, HITL approval, SPF/DKIM verified.

e2a — email for AI agents

io.github.Mnexa-AI/mcp-server

A✓Verified

Authenticated email gateway for AI agents — per-agent inboxes, HITL approval, SPF/DKIM verified.

Claude Ops Telegram Server

io.github.auroracapital/claude-ops-telegram-server

A✓Verified

Telegram personal-account MCP (MTProto user-auth).

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.

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.

Fast Telegram

io.github.leshchenko1979/fast-mcp-telegram

A✓Verified

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

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.

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.

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