elie222/inbox-zero A MCP Server Active
elie222/inbox-zero/apps/mcp-server
An MCP server for Inbox Zero. Adds functionality on top of Gmail like finding out which emails you need to reply to or need to follow up on.
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Communication
118 MCP servers and agent skills in the Communication category, ranked by quality score.
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Developer Tools93Finance & Fintech86Knowledge & Memory64Search & Data Extraction49Security42Communication36Aggregators35Other Tools and Integrations28Browser Automation28Cloud Platforms21Workplace & Productivity21Databases19Coding Agents19Marketing18Gaming18Monitoring15Art & Culture15Travel & Transportation14Multimedia Process12Social Media11Location Services9Biology, Medicine and Bioinformatics9File Systems8Sports8Results
line/line-bot-mcp-server B MCP Server Active
line/line-bot-mcp-server
MCP Server for Integrating LINE Official Account
cometchat/docs-mcp B MCP Server Official Active
cometchat/docs-mcp
CometChat's official MCP server — searches CometChat documentation and returns curated implementation bundles for adding real-time chat, voice, video, and moderation to your app (React, React Native, Flutter, iOS, Android, JS SDK).
anypost/emailmd B MCP Server Active
anypost/emailmd
Write and preview emails from your assistant. Renders markdown into email-safe HTML that holds up in Outlook and Gmail, lints drafts for deliverability problems, and returns a live preview link. Hosted with no API key, or run it locally with `npx emailmd mcp`.
softeria/ms-365-mcp-server B MCP Server Active
softeria/ms-365-mcp-server
MCP server that connects to Microsoft Office and the whole Microsoft 365 suite using Graph API (including Outlook, mail, files, Excel, calendar)
agenticmail/agenticmail B MCP Server Active
agenticmail/agenticmail
Real email and SMS for AI agents. Run a local mail server with disposable inboxes, send/receive real email, fetch verification codes, and drive a real inbox — all from your machine, no third-party email API. Install with `npx @agenticmail/mcp`.
kushneryk/join.cloud B MCP Server Active
kushneryk/join.cloud
Collaboration rooms for AI agents. Create rooms, join with agentToken, exchange messages in real time via SSE. Supports MCP and A2A protocols. Self-hostable or use the hosted version at join.cloud.
wyattjoh/jmap-mcp B MCP Server Active
wyattjoh/jmap-mcp
A Model Context Protocol (MCP) server that provides tools for interacting with JMAP (JSON Meta Application Protocol) email servers. Built with Deno and using the jmap-jam client library.
lanchuske/local-mcp B MCP Server Active
lanchuske/local-mcp-releases
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.
littlebearapps/outlook-assistant B MCP Server Active
littlebearapps/outlook-assistant
Ask your AI assistant to search your inbox, send emails, schedule meetings, manage contacts, and configure mailbox settings — without leaving the conversation. Works with Claude, Cursor, Windsurf, and any MCP-compatible client.
n24q02m/better-email-mcp B MCP Server Active
n24q02m/better-email-mcp
IMAP/SMTP email MCP server with App Passwords (no OAuth2). Auto-discovers Gmail, Outlook, Yahoo, iCloud. 5 composite tools: search, read, send, reply, forward. Multi-account support.
jtalk22/slack-mcp-server B MCP Server Active
jtalk22/slack-mcp-server
Your complete Slack context for Claude—DMs, channels, threads, search. No OAuth apps, no admin approval. `--setup` and done, 11 tools, auto-refresh.
overpod/mcp-telegram C MCP Server Active
overpod/mcp-telegram
Telegram MCP server via MTProto/GramJS — 20 tools for reading chats, searching messages, downloading media, managing contacts. QR code login, npx zero-install. Hosted version at mcp-telegram.com.
yjcho9317/nworks C MCP Server Active
yjcho9317/nworks
NAVER WORKS CLI + MCP server. 26 tools for messages, calendar, drive, mail, tasks, and boards. AI agents can manage NAVER WORKS directly.
PaSympa/discord-mcp C MCP Server Active
PaSympa/discord-mcp
Lightweight multi-guild Discord MCP server with 60+ tools for messages, channels, roles, forums, webhooks, and moderation.
tlennon-ie/neurodock C MCP Server Active
tlennon-ie/neurodock
Local-first cognitive substrate for neurodivergent professionals: a translator for corporate ambiguity, a planner, and a guardrail that declines to amplify rumination, hyperfocus, or sycophancy. Hosted stateless tools over OAuth.
EthanQC/feishu-user-plugin C MCP Server Active
EthanQC/feishu-user-plugin
All-in-one Feishu/Lark MCP server (84 tools). Send messages as the actual user (not bot), plus full official-API coverage of docs, bitable, wiki, drive, calendar, tasks, OKR. Cookie + OAuth UAT + app-credential auth.
virtualsms-io/mcp-server C MCP Server Active
virtualsms-io/mcp-server
Receive SMS verification codes with AI agents. Get virtual phone numbers for WhatsApp, Telegram, Google, and 500+ services. Own modem infrastructure across 200+ countries with real-time WebSocket delivery. 12 tools for number discovery, purchase, and code extraction.
huj28-creator/wechat-fastbridge C MCP Server Active
huj28-creator/wechat-fastbridge
Token-efficient macOS WeChat MCP server for verified chat reading, text/file/sticker sending, fuzzy safe routing, smart context retrieval, and allowlisted live monitoring without screenshots or private-protocol access.
OrygnsCode/Omnicord C MCP Server Active
OrygnsCode/Omnicord
Hands your AI an entire Discord server: 148 tools covering chat, moderation, automod, events, and full administration, up to building a complete community server from one paragraph. One-command guided setup, and every destructive action previews and waits for your confirmation.
loglux/whatsapp-mcp-stream C MCP Server Active
loglux/whatsapp-mcp-stream
WhatsApp MCP server over Streamable HTTP with web admin UI (QR/status/settings), bidirectional media upload/download, and SQLite persistence.
sethbang/proton-mail-mcp C MCP Server Active
sethbang/proton-mail-mcp
Unofficial Proton Mail MCP server — send, read, search, and organize email over SMTP and IMAP (via Proton Mail Bridge). Bulk ops with dry-run previews, read-only mode, and Trash-by-default deletes. Not affiliated with Proton AG.
sendchamp/ai C MCP Server Official Active
sendchamp/ai
Official Sendchamp docs MCP server for AI coding agents. Read-only search and retrieval over SMS, OTP verification, and Africa-specific routing documentation. Endpoint: `https://mcp.sendchamp.com/docs`. Pair with Agent Skills via `npx skills add sendchamp/ai`.
agentmail-toolkit/mcp C MCP Server Active
agentmail-to/agentmail-toolkit/mcp
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.
jcoulaud/shipmail-mcp C MCP Server Active
jcoulaud/shipmail-mcp
Business email MCP server for AI agents. Manage custom-domain mailboxes, read and send messages, draft replies, inspect threads, and automate Shipmail REST API/webhook workflows.
aeoess/mingle-mcp C MCP Server Active
aeoess/mingle-mcp
Agent-to-agent networking. Your AI publishes what you need, matches with other people's agents, both humans approve before connecting. 6 tools, Ed25519 signed, shared network at api.aeoess.com.
PhononX/cv-mcp-server C MCP Server Official Active
PhononX/cv-mcp-server
MCP Server that connects AI Agents to [Carbon Voice](https://getcarbon.app). Create, manage, and interact with voice messages, conversations, direct messages, folders, voice memos, AI actions and more in [Carbon Voice](https://getcarbon.app).
csitte/mailwarden C MCP Server Active
csitte/mailwarden
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 `npx -y mailwarden`.
gopalrajsuresh/covalent-bond C MCP Server Active
gopalrajsuresh/covalent-bond
Pair two AI coding agents on different machines over an end-to-end-encrypted channel: files and messages travel through a relay that only ever sees ciphertext - it can never read your data - authenticated by a short code shared out-of-band, with human consent before any file is written. Install with `npx covalent-bond`.
Rheopyrin/ox-mcp C MCP Server Active
Rheopyrin/ox-mcp
Email (IMAP/SMTP), mail filters (Sieve), calendar (CalDAV), contacts (CardDAV), and free/busy scheduling for Open-Xchange and standards-based mail platforms. Published on the official MCP Registry.
zerodrop-dev/zerodrop-mcp C MCP Server Active
zerodrop-dev/zerodrop-mcp
Disposable email inboxes for AI agents — OTPs and magic links auto-extracted from verification emails. Test signups and auth flows, no signup needed.
farukkolip/instapdown-mcp D MCP Server Active
farukkolip/instapdown-mcp
Instagram creator toolkit MCP with 16 tools: Reels / video / Story / carousel / photo / profile-pic downloaders, Reels-to-MP3 audio extractor, engagement health check + weighted engagement-rate calculator, live hashtag search + 25 curated niches + creator hashtag audit, 900 Reels hook templates by niche and country, 22 Unicode font styles, best-time-to-post for 17 markets (Buffer 2026 verified dat
Sequenzy/mcp D MCP Server Active
Sequenzy/mcp
Email marketing automation MCP server for Sequenzy. Manage subscribers, lists, segments, templates, campaigns, sequences, transactional emails, analytics, and AI-generated email content. Install: `npx -y @sequenzy/mcp`.
radmail-ai/radmail-mcp D MCP Server Active
radmail-ai/radmail-mcp
Email operating system for agents: a `search` tool to find the one message by sender/subject/content (no filesystem grep), two-axis triage (importance × urgency), an explainable "Right Now" lane, commitment follow-through, and reviewable drafts. A machine-verifiable hard-stop keeps money/banking-change/first-contact human-only (BEC defense). Zero-auth HTTP sandbox at radmail.ai/api/mcp/sandbox — n
paigy-ai/mcp D MCP Server Active
paigy-ai/mcp
Call, text, or push the user's phone when an agent needs input mid-task — reply by voice instead of babysitting a long-running or blocked terminal. Works with any MCP client, not just Claude. Install: `npx -y @paigy/mcp@latest`.
marras0914/agent-toolbelt D MCP Server Active
marras0914/agent-toolbelt
20 focused API tools for AI agents: schema generation, text extraction, token counting, regex/cron building, prompt optimization, web summarization, document comparison, and more. TypeScript SDK + LangChain wrappers included.