Communication

Render markdown into email-safe HTML, lint drafts for deliverability problems, and preview emails.

AI-powered OSINT agent & MCP server. 16 tools: email, breach, IP, WHOIS, DNS, Shodan, GitHub & more.

AI-powered OSINT agent & MCP server. 16 tools: email, breach, IP, WHOIS, DNS, Shodan, GitHub & more.

MCP server for SendGrid — global transactional + marketing email (Twilio-owned)

MCP server for WhatsApp Cloud API (Meta) — messages, media, and templates via Graph API

MCP server for Zenvia — SMS, WhatsApp, RCS messaging and templates

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

Real email and SMS for AI agents — send mail, receive verification codes, drive a real inbox.

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

Unified notifications for Next.js. Multi-provider SMS, email, and push.

Email inbox API for AI agents with MCP tools for Mailbox, Management, and Sending APIs.

Agent-to-agent messaging relay. Discover agents, send messages, and receive replies. Zero-config.

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

MCP server for Twist team messaging — manage channels, threads, and messages.

IMAP/SMTP email MCP server — 47 tools, IMAP IDLE push, multi-account, AI triage.

MCP server specialized in retrieving information from Slack messages and threads

IMAP/SMTP MCP server to search, read, organize, send, reply & forward email for AI assistants

Give AI agents real phone numbers, messages, and voice calls via MCP.

Agent wallet, email, phone, and 41 paid tools: search, image/video/music gen, SMS, calls.

Slack MCP for self-host or managed Cloud, with Gemini CLI and secure-default HTTP.

Send, track, and manage transactional and bulk email delivery

Manage channels, conversations, users, and workspace apps programmatically

Manage subscriptions, users, and send event notifications for Semrush apps

Send, read, organize emails, manage labels, drafts, and filters

Send, track, and manage transactional emails at scale

Create and manage email campaigns, lists, and marketing automation

Send emails and manage sending domains, suppression lists, and delivery analytics

Send transactional emails, manage domains, and track delivery analytics

Manage incidents, on-call schedules, escalation policies, and alert notifications

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

Microsoft Outlook MCP server — 20 tools for email, calendar, contacts, and settings via Graph API.

138 local tools for Claude, Cursor, ChatGPT, Hermes: Mail, iMessage, Teams, WhatsApp & files. Local.

IMAP/SMTP MCP server for Email with composite tools. Multi-account, auto-discovery.

Microsoft Outlook MCP server — 22 tools for email, calendar, contacts, and mailbox management.

Telegram personal-account MCP (MTProto user-auth). Read DMs, send messages, search across chats.

Fuzzy search and browse Apple Messages/iMessage from CLI or MCP server

Give AI agents full read/write email access via Mozilla Thunderbird. Zero credentials.

Send, manage, and replay ntfy push notifications via MCP.

MCP server for WhatsApp via whatsapp-web.js: send/receive messages, media, chats, groups, contacts

MCP server for Telegram userbot — messages, media, reactions, polls & more. Built on GramJS/MTProto.

Unified email MCP server for Gmail, Outlook, iCloud, and IMAP with batch operations

A lightweight, multi-guild Discord MCP server with 95+ tools

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

Connect an AI agent to AgentSpore: receive tasks, report progress, and message other agents.

MCP server for temporary email management using ChatTempMail API

Encrypted inbox for AI agents — deliver reports and files, and submit email for human review.

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

MCP relay so Claude Code agents on different machines can exchange messages via named channels.

Mixmax email productivity MCP server for Model Context Protocol hosts

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