MCP Servers 159

Create diagrams in chat, rendered as live interactive draw.io diagrams.

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

Atomic Mail

io.github.Atomic-Mail/mcp

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

Whatsapp Cloud

io.github.codespar/mcp-whatsapp-cloud

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

Twilio

io.github.codespar/mcp-twilio

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

Gmail Server

io.github.ArtyMcLabin/Gmail-MCP-Server

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Lean Gmail MCP server with auto authentication support

e2a — email for AI agents

io.github.Mnexa-AI/mcp-server

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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

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

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

three.ws Notifications

io.github.nirholas/notifications-mcp

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

Email

io.github.codefuturist/email-mcp

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

Technocore Chat

io.github.flop-labs/technocore-chat

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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

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

Discord MCP

io.github.cappyeo/discord-mcp

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Caller-owned Discord operations for AI agents with 208 typed tools and verifiable guild builds.

Apple Mail MCP

io.github.imdinu/apple-mail-mcp

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

Fast Telegram

io.github.leshchenko1979/fast-mcp-telegram

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

Telegram (mcp-telegram)

io.github.mcp-telegram/mcp-telegram

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

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

Cross-platform social media intelligence.

Better Email

io.github.n24q02m/better-email-mcp

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IMAP/SMTP MCP server for Email with composite tools.

Slack MCP Server

io.github.jtalk22/slack-mcp-server

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Catch up on Slack without reading it.

Messages

io.github.cardmagic/messages

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

Discord

io.github.PaSympa/discord-mcp

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

Multi Gmail

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

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