Communication MCP Servers

ai.smithery/yuna0x0-hackmd-mcp

Interact with your HackMD notes and teams seamlessly. Manage your notes, view reading history, and…

ai.waystation/mcp

Ultimate toolbox to connect your LLM to popular productivity tools such as Monday, AirTable, Slack

ai.waystation/teams

Collaborate, chat, and manage meetings in Microsoft Teams.

ai.waystation/slack

Send messages, access channels, and manage files in your Slack workspace.

MCP Registry Monitor

Monitor MCP registry for new servers - Discord Slack notifications alerts

com.mintmcp/gmail

A MCP server for Gmail that lets you search, read, and draft emails and replies.

iMessage MCP

25 tools for searching, analyzing, and exploring your iMessage history on macOS.

Lassare

Human-in-the-loop for AI coding agents — ask questions, get approvals via Slack.

ai.smithery/agentmail

AgentMail is the email inbox API for AI agents. It gives agents their own email inboxes, like Gmail

Aruba Email & Calendar

MCP server for Aruba email and calendar via IMAP/SMTP/CalDAV

Queue Pilot

MCP server for RabbitMQ and Kafka message inspection with JSON Schema validation

MailboxValidator

Email validation MCP server using the MailboxValidator API. It can validate email addresses.

fish-bridge — Session Knowledge Graph

Compresses AI chat sessions into a typed knowledge graph. Local/offline via Ollama.

Search jobs, manage resumes, and track applications on Qarera from your AI chat client.

Real-time polls, surveys, quizzes, trivia, Q&A, and word clouds for teams, educators, and creators.

Gemma AI MCP

Experience Google's Gemma AI models for free. Chat with Gemma 4 26B and 31B - powerful, efficient

com.local-mcp/local-mcp

Native macOS MCP server — 80+ tools for Mail, Calendar, Teams, OneDrive, and more.

MCP server for MailTempo's public free temporary email inboxes.

com.bounceprotect.www/mcp

Email validation and SMTP verification for Claude Desktop, Cursor, and Claude Code.

com.mcparmory/postmark

Send, track, and manage transactional and bulk email delivery

com.mcparmory/slack

Manage channels, conversations, users, and workspace apps programmatically

Work IQ Teams MCP Server

Manage Microsoft Teams chats, channels, users, and messages via Graph API.

Disposable email inboxes for AI agents. Auto-deletes after 24 hours.

An MCP server that provides tools to validate an email address using Dilli Email Validation API.

HTML Email Playbook

Teaches AI to write HTML email that renders in Outlook, Gmail, and Apple Mail. 19 rules, 6 comps.

Control your Discord community: send/read messages, manage channels and forums, and handle webhook…

Avocado AI

Generate AI images, videos, music, SFX & speech in any AI assistant. Results appear inline in chat.

RogerRat

Real-time chat hub for AI agents — Claude Code, Cursor, Cline, Codex over MCP or REST.

ai.smithery/smithery-ai-slack

Enable interaction with Slack workspaces. Supports subscribing to Slack events through Resources.

io.getcoherence/mcp

Coherence MCP — chat with your CRM's AI agent from Claude, Cursor, and Cline.

MCPDomain

Buy & manage domains from any AI chat: availability, register, DNS, email forwarding, AI bot stats.

MCP FactorialHR

Full CRUD MCP server for FactorialHR: employees, teams, time off, projects, ATS, payroll.

Email Finder API

Find email addresses from name and company domain. x402 paid.

Mail.app

Search, read, send, and manage email via macOS Mail.app across all configured accounts.

Gmail integration with OAuth authentication, message search, batch operations, and Sheets export

com.mobile-text-alerts/sms-mcp

The Mobile Text Alerts SMS MCP server enables your AI to send SMS messages & manage contacts

PO6 Mailbox

Give AI agents secure access to your email via private aliases with dedicated mailbox storage.

Microsoft Teams

Connect Claude to Microsoft Teams — read/send messages, list channels, search chats.

Still WiP

KeyID

Signup sessions, browser continuity, email, SMS, and OTP/TOTP infrastructure for AI agents.

XMemo

User-owned memory for AI agents, Copilot, Claude, IDEs, CLIs, and chat apps over remote MCP.

Agent Email

Local email connectivity for AI agents — read, draft, send, and organize Outlook mail via MCP

Global Chat — x402 MCP Agent Discovery (LangGraph, CrewAI, Eliza, A2A)

x402-paid MCP server on Base L2 — LangGraph/CrewAI/Eliza/A2A agent-discovery + agent-marketplace.

Email safety MCP server. Detects phishing, prompt injection, CEO fraud for AI agents.

Gotify MCP

MCP server for self-hosted Gotify push notifications and message management.

An MCP server that provides email capabilities, hosted on Alpic platform

Outlook integration with OAuth, message search, batch operations, and calendar management

BrainBrainBrains

Persistent memory + context layer for AI dev teams. 17 tools via MCP.

AppDeploy turns app ideas described in AI chat into live full-stack web applications

Agent Broker

AI agents find, message & book SMBs; pay per call in USDC on Base via x402. 14 tools, compliant.

Still WiP!

Turn your ChatGPT to a super travel agent

Greet anyone by name with a friendly message. Explore the origin of 'Hello, World' to add context…

ai.smithery/miguelgarzons-mcp-cun

Greet people by name with friendly, personalized messages. Add a warm touch to onboarding, demos,…

Persistent AI agents that run 24/7 in your Slack, Telegram, SMS, or email.

RadiusOS

34-tool CRM: contacts, quoting, invoicing, scheduling, AI scoring, email sequences.

Gmail

Allow AI systems to read, send, archive, and manage emails via Gmail.

chat.mumo/mcp

Consult a multi-model panel on contested decisions via MCP: architecture, plan review, strategy.

Manage Chili Piper scheduling links, meetings, routing rules, and teams. Admin only. Experimental.

Work IQ Mail MCP Server

Email tools for creating, sending, replying, updating, deleting, and searching messages.

com.mintmcp/outlook-email

A MCP server for Outlook email that lets you search, read, and draft emails and replies.

Corporate identity finder and email verification. Map real addresses and users to real people.

Check SPF/DKIM/DMARC/BIMI, blacklists, SMTP/IMAP; DNS lookups; generate email DNS records.

Local business lead extraction with email + phone enrichment from Google Maps.

An MCP server that provides email capabilities, hosted on Alpic platform

ai.smithery/faithk7-gmail-mcp

Manage Gmail messages, threads, labels, drafts, and settings from your workflows. Send and organiz…

TDA Shared Bridge

Agent coordination, email pipeline, lead verification, and campaign operations. 38 tools.

OWA Exchange MCP Server

MCP server for Microsoft Exchange / OWA — email, calendar, directory, availability

Still WiP

Slack

Slack MCP server: channels, messages, threads, reactions, users, files, and scheduled messages

WebVoice

WebVoice MCP: chat, TTS, STT, translate, images. Email signup, welcome credits, optional Solana.

Le Chat AI MCP

Le Chat AI walks through Mistral's Le Chat - Free/Pro/Team pricing, Flash Answers, Deep Research,

ai.smithery/Danushkumar-V-mcp-discord

An MCP server that integrates with Discord to provide AI-powered features.

TDA Discord Reader

Discord channel operations for AI agents. Fetch, search, mentions, post. 4 tools.

An MCP server that provides email capabilities, hosted on Alpic platform

JMAP Email

Email management via JMAP — mailboxes, messages, identities, and Sieve scripts

Distillery

Knowledge base for Claude Code with semantic search, feed intelligence, and teams

Qwen MCP

Qwen AI Chat guide to Qwen3.6-Plus and qwen3.6-flash with practical notes on 1M context, coding

DeepSeek FR MCP

Independent French workspace for evaluating DeepSeek-V3-class chat and DeepSeek-R1 reasoning.

Could Have Been Email

could-have-been-email MCP — wraps StupidAPIs (requires X-API-Key)

Mixmax

Mixmax email productivity MCP server for Model Context Protocol hosts

Gemini 3 Online MCP

Gemini 3 Online is an online chat interface that lets users interact with the Gemini 3 model for

Memory OS AI

Adaptive memory for AI agents — FAISS search, chat extraction, cross-project linking

93 MCP tools for platform administration via AI agents. Billing, support, teams, and more.

com.pulsemcp/slack

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

ABOVO.co — Email-to-Web Publishing

Publish content to the web by emailing POST@abovo.co. No API key, no signup. SMTP is the API.

Commune

Email and SMS MCP server for AI agents — 41 tools for inboxes, sending, search, and SMS.

RogerThat

Real-time chat hub for AI agents — Claude Code, Cursor, Cline, Codex over MCP or REST.

Sooda MCP

AI agent relay — message business agents across company boundaries via A2A protocol

OrcaRouter

Browse 160+ LLM models and live pricing — no API key needed for catalog. Add key to route chat.

e2a — email for AI agents

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

Ready APIs

121 MCP tools: geo, email, phone, company, DNS, FX, equities, weather, tax, econ, intel — one key.

Omnier

Turn signals from email, CRM, and meetings into a prioritized daily sales to-do list.

ZulipChat MCP Server

ZulipChat MCP: Connect AI to Zulip with 60+ tools for messaging, streams, events, and analytics

Agent Tools

9 utility tools for agents: DNS, WHOIS, email, IP, URL, headers, QR, text, tech. x402 on Base.

Parse-DMARC MCP Server

Lightweight DMARC parser: auto-fetch email reports, visualize compliance in a single all-in-one app

Email (IMAP/SMTP)

Email IMAP/SMTP MCP server: iCloud, Gmail, Yahoo, Outlook, and custom IMAP providers

Microsoft Teams API

AI-native Microsoft Teams integration — read chats, send messages, search people

Microsoft 365 Teams

Microsoft 365 Teams via Graph: list chats, read/send messages, list teams/channels, presence.

Ethereum & EVM Message Signing

Sign Ethereum messages - EIP-191, EIP-712 typed data, Permit2, signature verification and recovery

RadiusOS CRM

34-tool CRM server — contacts, pipeline, quotes, invoices, scheduling, email, and AI scoring.

Klaviyo

Klaviyo MCP Pack — wraps the Klaviyo API for email marketing

Corporate email and chat thread summarization parser.

Attrove

Search Gmail, Slack, Outlook, Google Calendar, and meetings — one MCP, one query.

CrabbitMQ

Async message queue for AI agents. Self-provision queues, push/poll messages, no signup.

Autonomous B2B lead prospecting — 36 tools for campaigns, leads, and email outreach.

Send That Email

send-that-email MCP — wraps StupidAPIs (requires X-API-Key)

Decentralized task broker and message relayer for multi-agent swarms.

ai.smithery/smithery-notion

A Notion workspace is a collaborative environment where teams can organize work, manage projects,…