Мессенджеры и почта

Multi-purpose API toolkit: email validation, DNS lookup, WHOIS, SSL certificate inspection, IBAN validation, business day calculator, hash encoding, and GPU pricing. Free tier included

Email inbox placement testing across Gmail, Outlook, Yahoo, Mail.ru and Yandex. Create a test, get seed addresses, see per-provider placement (Inbox/Spam/Promotions), SPF/DKIM/DMARC verdicts, and screenshots

Make AI-powered phone calls on your behalf — book reservations, schedule appointments, and view call transcripts

Connect Claude, Cursor, Windsurf and other AI agents to macOS native apps: Mail, Calendar, Contacts, Reminders, Notes, iMessage, Finder, Safari, OmniFocus, Microsoft Teams, Outlook, OneDrive, and Office documents. 82 tools. Runs entirely on your Mac — no cloud, no tokens, no API keys

Encrypted, local memory for your Claude Code Telegram bot. Captures both sides of the conversation at the plugin source (survives restarts and crashes) and recalls it via MCP tools — whole-file SQLCipher encryption, FTS5 full-text search (CJK-friendly), never touches your bot token

Physical mail API for AI agents. Send letters, certified mail, postcards, and batch mailings with cost previews, approval controls, tracking, and webhooks

Mailchimp Marketing API integration with 53 tools for managing campaigns, audiences, reports, automations, landing pages, e-commerce data, and batch operations

Native Gmail MCP server with full mailbox control — search, read, label, archive, trash, download attachments, and the feature no other Gmail server ships: snooze threads until a date. Every call hits the live Gmail API (no synced index that silently misses mail). Install with

MCP server for Mattermost API. List channels, read/post messages, manage threads and reactions, monitor topics. Supports flexible configuration via CLI args, environment variables, or config files

A MCP server along with MCP host that provides access to Mattermost teams, channels and messages. MCP host is integrated as a bot in Mattermost with access to MCP servers that can be configured

An MCP server to create inboxes on the fly to send, receive, and take actions on email. We aren't AI agents for email, but email for AI Agents

Удалённый MCP-сервер связывает ассистента с аккаунтом DashaMail. В документации описаны работа с адресными базами, рассылками, отчётами, шаблонами и входящей почтой. Доступные действия зависят от прав аккаунта и выбранного режима подключения

MCP server that integrates with the Squiggle API to provide information on Australian Football League teams, ladder standings, results, tips, and power rankings

Discord MCP server with 46 tools for channels, messages, forums, webhooks, members, roles, threads, and moderation. Zero-install via . Also runs as a standalone bot with slash commands

Full Gmail operations via Unipile API: send, reply, list, read, delete, search, manage labels, attachments, and drafts. Dry-run by default on destructive actions

An MCP server to interface with the Google Tasks API

Integration with gmail and Google Calendar

Local MCP server for Hey.com email. Read, search, send, reply, and manage the screener via locally cached session from Hey's webview auth

Validates email addresses to reduce email bounces during marketing campaigns

notmuch MCP server. Wraps the notmuch CLI to give your LLM access to a local Maildir: full-text search, tag filtering, thread view, attachment reading (PDF, office docs, .ics), related-thread lookup, and unanswered-mail tracking. Optionally write plain-text drafts into a local maildir ( --allow-drafts ) or manage tags…

AI-to-AI messaging via I-Poll protocol and AInternet. Enables agents to communicate using .aint domains, semantic messaging, and trust-based routing

MCP server that integrates Microsoft Teams messaging (read, post, mention, list members and threads)

Telegram MCP server via MTProto/GramJS — 20 tools for reading chats, searching messages, downloading media, managing contacts. QR code login, Hosted version at mcp-telegram.com

A MCP server that send desktop notifications with sound effect when agent tasks are completed