Communication MCP Servers

Safe MCP server for Proton Mail via Proton Bridge (localhost IMAP/SMTP)

Emailverify Mcp

Model Context Protocol server for EmailVerify.io. Provides email validation, bulk validation, and email finder capabilities.

Secure read-only MCP server for Slack workspaces

Plugin Im Cli

OpenClaw IM CLI MCP plugin — expose claw-server IM operations as MCP tools

Slack for AI agents — rooms, messaging and context sharing for multi-agent coordination

MCP server for Slack workspace operations — send messages, manage channels, search conversations, and more.

Standalone MCP server that indexes IMAP email accounts for semantic and structured search

Nockit MCP

Zero-config push notification MCP tool for AI agents

IMAP/SMTP 信箱 MCP server — 把任意標準信箱（Gmail/Outlook/自架…）包成 MCP tools；支援本地 stdio 與遠端 HTTP/OAuth 部署

MCP server that exposes a Telegram bot

Disposable email inbox service for testing — REST API + MCP server

Send transactional email and manage domains, audiences, and broadcasts from any MCP client.

A comprehensive MCP server for the Unipile API — 96 tools for messaging, email, calendar, LinkedIn, and more

MCP server for Gmail API — list, read, send, draft, label, and trash emails

MCP server exposing a local notmuch email database, read-first

MCP Server bridging the Agent Network Protocol (ANP) with MCP agents — identity, discovery, messaging

ColdSend MCP Server - AI-native email campaign management via Model Context Protocol

MCP server for Max messenger (formerly VK Teams) — send/read messages, manage chats via Model Context Protocol

MCP server wrapping ForeverTools APIs: schema markup, SSL inspection, WHOIS, email validation, and screenshots

MCP server for Splunk On-Call (VictorOps) incident management