MCP servers for messaging, email, and team collaboration. Connect Slack, Discord, email services, and other communication platforms.
162 servers available
Rust MCP server and CLI for Apprise notification fan-out across dozens of delivery backends.
Rust MCP server and CLI for Gotify push notifications and message management.
Apprise notifications over MCP and CLI with authenticated stdio and HTTP transports.
Gotify notifications and app, client, and message management over MCP and CLI.
Create, test, publish, and manage Dreamlit notification workflows from AI clients.
Build, edit, and deploy Telegram bots on FlowCastle's hosted visual flow platform.
MCP server for progressive tool usage at any scale (see https://klavis.ai)
Agent-first real-time messaging over MCP: self-provision channels, publish, history, presence.
Email for AI agents: inboxes, send/reply/forward, search, threads, webhooks — 21 SentFromAI tools.
Email for AI agents: inboxes, send/reply/forward, search, threads, webhooks — 21 SentVia tools.
Safety-first MCP server for Discord with privacy-safe reads, audits, and reviewed administration
Send and receive across email, SMS, WhatsApp, and voice. One API, one contract.
Read, organise and carefully-gated send for Proton Mail, without your mail leaving this machine.
Send SMS, MMS and WhatsApp, manage contacts and webhooks, from AI agents.
Human-in-the-loop for AI coding agents — ask questions, get approvals via Slack.
Let ChatGPT, Claude & Cursor use your Mac: email, calendar, iMessage, Teams, files. Local, free.
Read, search, send, organize, draft and schedule email across your inboxes from any MCP client.
Build and send email, SMS, and push straight from your AI agent.
Email for agents: newsletters, subscribers, contacts, broadcasts. OAuth sign-in, no API key.
Authenticated email gateway for AI agents — per-agent inboxes, HITL approval, SPF/DKIM verified.
Give an AI agent its own inbox — receive email as a webhook, send over a verified domain.
Email for AI agents — send, receive as a webhook, manage domains, templates, routing.
Turn inbound email into a webhook — verify, parse, route, and store incoming messages.
Receive inbound email as clean JSON — manage domains, routes, and webhooks. MailKite.
Send transactional email over a verified domain — templates, attachments, custom headers.
Send email, manage domains, DNS, webhooks, templates, and inbound routing on MailKite
Authenticated Samva email tools, including public documentation and template discovery.
Give an agent its own inbox: send, receive, and pull signup codes from real email.
Voice and chat for AI agents — Discord, Teams, Meet, Slack, Zoom, Telegram, WhatsApp, NC Talk, SIP
Create Elaan notification types, templates and brands, trigger sends, and debug delivery.
Universal AI API Orchestrator — 1,554 tools, 96 services. One install.
MCP Server for notify to Weixin, Telegram, Bark, Lark, Feishu, DingTalk
Read and write Slack with session tokens — no OAuth, no bot, no admin approval.
Read-focused, prompt-injection-hardened email MCP server for any IMAP provider
FastMCP server that pages on-call via 100+ notification channels (Apprise wrapper)
Multi-workspace Slack MCP server with draft+confirm safety, vault auto-export, and triple-mode…
Free, local MCP server that audits ClickUp, Slack & Teams for work that slipped through.
Real email and SMS for AI agents — send mail, receive verification codes, drive a real inbox.
Email tools for any IMAP/SMTP provider: list, read, search, send, and manage messages.
ZulipChat MCP: Connect AI to Zulip with 60+ tools for messaging, streams, events, and analytics
Search, move, mark, delete and draft your real mail over a self-hosted index.
Multi-tenant Telegram gateway for AI agents — HTTP+stdio, 8 tools, MTProto User API
Local-first, read-only MCP server for recall over your Gmail: search, contacts, threads, digests.
Messaging between concurrent AI coding sessions, across clients, over MCP. Zero infrastructure.
Search local email archives (.mbox/.eml) entirely on your machine. No OAuth, no cloud.
Lean Gmail MCP server with auto authentication support
Programmable email inbox for AI agents — JMAP, PoW auth, stdio MCP server.
Convert .eml email exports to Markdown with YAML front matter
Multi-account IMAP/SMTP email server with 22 tools for reading, sending, searching, and organizing.
Caller-owned Discord operations for AI agents with 209 typed tools and verifiable guild builds.
Security-first SendGrid MCP server: dry-run default, recipient allowlists, rate caps, audit log.
Read, search, draft, send, and organize email through Gmail, Outlook, and IMAP/SMTP mailboxes.
IMAP/SMTP email MCP server — 47 tools, IMAP IDLE push, multi-account, AI triage.
Read Proton Mail and save drafts through your local Proton Mail Bridge.
CometChat docs search + implementation bundles: add chat, voice, video & moderation to your app.
Filtered, read-only IMAP and Gmail archived to disk as .eml + markdown, served over MCP.
Gmail MCP server for email triage: search, labels, archive, trash, unsubscribe, snooze.
Send, manage, and replay ntfy push notifications via MCP.
Calendar workflow engine for time off, approvals, and quick actions on any calendar backend.
Hosted MCP server for MuntuAI outreach campaigns, leads, senders, domains, and analytics.
SDK for creating, managing, and operating Kubernetes clusters and workloads with ease.
Analyze, audit, fix and diff HTML, MJML, Maizzle and React Email across 21 email clients.
Read-only-by-default MCP server for iCloud mail, calendar, and contacts (IMAP/CalDAV/CardDAV).
Feishu/Lark MCP server + CLI tool. 85 tools, 3 auth layers. Send as user via cookie+protobuf.
Cross-harness communication mesh for LLM agents — rooms, DMs, presence, and visibility over TCP
Read Proton Mail, extract bounded attachment text, and create explicitly confirmed drafts.
Multi-channel messaging MCP server for Slack, Telegram, Email, KakaoTalk, and Discord.
Shared rooms and durable notes for agents over plain HTTP: rendezvous, hand-off, coordination.
MCP server for Resend — transactional email API for AI assistants...
MCP server for Telegram Archive — search messages, browse chats, and access history
Zero-setup WhatsApp notifications + human-in-the-loop for AI agents — text 'join', send in 60s.
Phone, SMS & email for AI agents — one remote MCP endpoint, OAuth login, zero install.
Complete Resend email MCP: full API coverage + debug layer (deliverability, DNS, bounces).
Connect AI agents to your self-hosted HQBase shared email workspace.
Safe Discord access for reading guild data and optionally managing bot messages
Apple Mail MCP server with full-coverage FTS5 body search, reliable on large mailboxes.
MCP server for the Discord REST API: 5 read tools always on, 7 write tools env-gated, default off.
Multi-account email MCP server for Gmail, IMAP, and JMAP: search, send, drafts, labels.
Catch up on Slack without reading it. Unreads, threads, search. Browser-session or hosted OAuth.
Full read + write access to Slack Lists for AI: create, update, check off, reassign, delete.
Send, search, and manage notifications, accounts, and push preferences
Search 1.2M+ Telegram channels, 245k+ chats, 160k+ bots — no account, no key, no install.
Scrape messages, extract leads from public Telegram channels. No login required.
Apple Mail MCP — 44 tools, SQLite millisecond search, .emlx parser, batch ops
Security-first, self-hosted email archive with search, cited answers, and sending for AI agents.
Native macOS MCP server — 82 tools for Mail, Calendar, Teams, OneDrive and more.
Cloudflare Workers MCP server: email-validator
Multi-tenant Telegram gateway for AI agents — HTTP+stdio, 8 tools, MTProto User API
GraphQL gateway for LLMs. Handles huge GitHub GraphQL & @neo4j/graphql schemas without crashing
Microsoft Outlook MCP server — 22 tools for email, calendar, contacts, and mailbox management.
Microsoft Outlook MCP server — 20 tools for email, calendar, contacts, and settings via Graph API.
Email inbox placement tests across Gmail, Outlook, Yahoo, Mail.ru, Yandex (SPF/DKIM/DMARC).
Check an email before an AI agent sends it: send / ask a human / block. Detects prompt injection.
Let your coding agent write to your work tracker: issues, branches, PRs and CI, one contract.
Tidy a large Outlook / Hotmail mailbox. Folder subtree moves, bulk ops with dry run, never sends.
Search your Google, Telegram, Spotify and Instagram exports locally. Fully offline.
Email validation MCP server using the MailboxValidator API. It can validate email addresses.
Read-only Amazon SES observability: search events, inspect bounces, pull delivery stats.
Lifts WxO Slack limits: every-message wake-up, multi-channel MCP. https://markusvankempen.github.io/
MCP server for Telegram userbot — messages, media, reactions, polls & more. Built on GramJS/MTProto.
Lets AI clients search, explore, query, and visualize data in a Metabase instance.
Send transactional email, run campaigns, manage contacts and automations, audit deliverability.
Authenticated email gateway for AI agents — per-agent inboxes, HITL approval, SPF/DKIM verified.
Microsoft Outlook personal accounts: mail, calendar, contacts, to-do, drafts (62 tools).
IMAP/SMTP MCP server for Email with composite tools. Multi-account, auto-discovery.
Telegram for AI agents: messages, chats, media, and contacts in bot and user-account modes.
Autonomous xRocket CEX trading inside operator-set limits, plus live market data over MCP
MCP RAG: index PDFs, repos, YouTube, Discord, text; optional YouTube vision; query with citations.
Read, search and organise any IMAP mailbox, with writes off by default
Publish ntfy notifications, read the message cache, and manage users and topic access
IMAP/SMTP MCP server to search, read, organize, send, reply & forward email for AI assistants
Read and reply to your personal Telegram chats and all your Slack workspaces.
MCP server for PumpFun on-chain intelligence — tokens, claims, holders, and bundles.
Local-first mail, calendar, and task MCP with isolated accounts and guarded writes.
Let your AI agent notify you by email, Slack, Discord, or webhook. One tool: send_notification.
Unlimited agent mailboxes — create identities, read/wait for mail, extract OTPs, send email.
Gmail Postmaster Tools v2 — domains, traffic metrics, and compliance via your own Google OAuth.
Outlook.com SNDS IP Data and IP Status reports via the OAuth-secured REST API.
Discord server management MCP for AI agents: chat, moderation, admin, and full server building.
Teaches AI to write HTML email that renders in Outlook, Gmail, and Apple Mail. 19 rules, 6 comps.
Fast local Apple Mail MCP: indexed search, full-text bodies, verified sends, triage. macOS.
A lightweight, multi-guild Discord MCP server with 95+ tools
Human-authenticated setup for routing GitHub pull requests into the right Slack channel.
Agent-native installer and control plane for Paydirt iOS feedback
Twilio MCP Pack — send SMS, list messages, make calls via Twilio REST API.
Find LinkedIn jobs and people, research companies, manage network, posts, and messages with MCP.
Self-hosted MCP server exposing Claude Code as an agentic AI tool over streamable HTTP.
Self-hosted MCP server for unified IMAP/SMTP mailbox access: read, list, and send email.
Self-hosted MCP server: Telegram userbot control (Telethon) via HTTP and MCP.
MCP server for aiogram Telegram bots — 30 tools, 7 resources, 3 prompts, event streaming
MCP server for Open-Xchange: email (IMAP/SMTP), Sieve filters, CalDAV calendar, CardDAV contacts
Outlook & OneDrive MCP: personal & enterprise tools for mail, calendar, contacts, tasks, files
Wraps the taskswarm CLI as a single generic MCP tool for multi-agent task coordination.
MCP server for temporary email management using ChatTempMail API
AI email inbox and sending tools with attachments, search, live events, and webhooks.
Send email, look up public IP information, and convert files to Markdown through SendSoon.
Send email, look up public IP information, and convert files to Markdown through SendSoon.
Unofficial Proton Mail MCP — send, read, search & organize email over SMTP and IMAP
Email and SMS MCP server for AI agents — 41 tools for inboxes, sending, search, and SMS.
Shipmail MCP server for AI agent custom-domain email inboxes with REST API and webhooks.
Phone notifications and phone-answered questions for AI agents: notify and decision-request tools.
Email for AI agents: send mail, manage contacts, automations & webhooks. Zero-DNS first send.
Microsoft 365 mail MCP that drafts but cannot send: no Mail.Send scope.
Manage Apache Kafka on Kubernetes via Strimzi. Clusters, topics, users, connectors, MM2.
Production IMAP & SMTP for Claude: multi-account email search, triage, send, and spam checks.
Human-authenticated setup for routing GitHub pull requests into the right Slack channel.
Local-first TDLib Telegram MCP server with 110 tools, account isolation and production guardrails.
MCP server for Tomba email finder, verification, and contact enrichment API
Local-first, read-only MCP server for recall over your Gmail: search, contacts, threads, digests.
Give AI agents full read/write email access via Mozilla Thunderbird. Zero credentials.
244 WhatsApp Business AI tools for messaging, automation, marketing, CRM and Shopify
Fully-managed email as MCP tools - register domains, real mailboxes, send and receive mail.
Read-only, self-hosted MCP access to IMAP email, mirrored locally and indexed by notmuch.
End-to-end-encrypted, sovereign inbox for AI agents. The server only ever sees ciphertext.
Local-first grocery price intelligence with a read-only MCP server.
Feishu/Lark MCP server + CLI tool. 85 tools, 3 auth layers. Send as user via cookie+protobuf.
AI agent email — 23 tools free to read inbox, 28 paid to send. $9.99/mo. Token auto-provisioned.
Local-first productivity: email, calendar, messaging, search, image gen. 49 tools. BYOK.
Telegram channel analytics and statistics for AI agents, pay-per-call in USDC via x402.
Send transactional email from your editor — describe the event, Sendable writes and sends it.
List, configure, chat with, analyse and embed your Echo AI assistants.
MCP server for self-hosted Gotify push notifications and message management.
