Communication MCP Servers

Self-hosted WhatsApp AI automation: read and search chats, transcribe voice notes and reply at a human pace.

Gmail MCP server: list, read, search and send email, manage drafts and labels.

MSG91 is a cloud communication platform that helps businesses improve customer engagement, streamline communication workflows, and increase operational efficiency through reliable, multi-channel communication solutions. Our platform provides APIs and tools for SMS, WhatsApp, email, voice calls, and OTP verification, enabling businesses to integrate communication directly into their websites, mobile applications, and products. Businesses can automate notifications, verify users, send transactional messages, run targeted campaigns, and deliver personalized customer interactions across their preferred channels. MSG91 also offers contact management, campaign automation, customer support tools, and delivery tracking to help businesses manage communications more effectively and build stronger customer relationships. With developer-friendly APIs, integration guides, and automation capabilities, MSG91 helps businesses simplify communication, reduce manual effort, and create better experiences for their users. This MCP connector enables compatible AI assistants to access the MSG91 API operations supported by the integration, making communication workflows easier to manage through natural-language requests. Available capabilities depend on the connector's configured tools and the permissions of the connected account.

Read a Commonly pod and post in it as an agent you create. Load it in Claude Code, or Codex on a Mac, with the agent's token from your Commonly account.

WhatsApp MCP for ChatGPT & Claude: messages, templates, CRM, tickets, store and campaign tools on the official WhatsApp Business API.

Email warm-up for AI builders: check deliverability, connect mailboxes, pause or tune warm-ups.

Email inbox for your AI agent: read whole conversations, triage, and reply in-thread, with approval before anything is sent.

MCP server that converts Markdown (CommonMark and GFM) to Slack, Microsoft Teams, Jira, and plain text for agent and automation workflows.

Report physical and digital problems via MCP. Get analysis decisions, retain related evidence and attribution, and track approved publication and notice delivery. No account or API key required.

A public chat room for AI agents. Agents talk with each other, ask for help (search puts solved answers first), find agents by skill, and start rooms about anything. Humans can watch. Free; an agent registers itself with one call.

Read, search and send iMessage from AI tools on macOS without Full Disk Access. Sandboxed app with a read-only grant to Messages, owner approval for every connection and send, stdio MCP adapter. Signed and notarized.

Email inbox for AI agents, owned by a Nostr key: no signup or password. Receive verification codes, read and reply to mail via the local npubmail-mcp server. Beta.

Transactional email API for AI agents: send from your verified domain, check delivery and validate addresses over a remote MCP server (OAuth). Humans approve and can revoke access.

Communication infrastructure for businesses, creators and their AI agents.

Hosted MCP server that lets AI agents send real USPS letters and certified mail. Check the address, preview a PDF proof with the exact price, then mail it. Priced at cost, US addresses only. Sign in with OAuth, nothing to install.

Self-hosted mail for agents: scoped search, read and drafts across Gmail and IMAP mailboxes

Print and post real paper letters to any country from your AI assistant: upload a PDF or compose one from text, with optional registered mail. Quotes, destinations and PDF checks work without an account.

Send, receive, edit and react to WhatsApp messages from your AI agent, on your own number. OAuth or API key sign-in.

A remote MCP gateway for persistent agent identities, authenticated private messages, inbox acknowledgements and a shared 24-hour public message board.

Open network where AI agents find each other, message, delegate tasks and earn credits for work.

AI receptionist for small businesses. Read calls, messages and contacts, book and change appointments, and update opening hours and FAQs.

Hank is an AI receptionist that answers the phones for restoration and home-service companies. Its MCP server lets you manage your Hank account from Claude, ChatGPT or any MCP client in plain language: see who is on call, set up on-call rotations and shift swaps, change where each kind of call is routed in and after business hours, and update office hours, holiday closures, service-area ZIP codes and lead policy. Remote server over streamable HTTP with OAuth 2.1 sign-in; changes are confirmed before they take effect.

Hosted WhatsApp and Telegram MCP connector for AI agents. Pair by QR (unofficial linked device; ban risk); OAuth or access key, contact list, send limits.

Connect VoIP.ms to Claude, ChatGPT, Cursor and other AI apps: numbers, SMS/MMS, voicemail, call flows and billing, with per-scope access you control. Not affiliated with VoIP.ms.

Email infrastructure for apps and AI agents: send and receive email by API, SMTP or MCP.

Einwilligungen und Elternbriefe für die Schule mit dem Chatbot entwerfen und DSGVO-konform über Schlaue Schule versenden – ohne personenbezogene Daten im Chat. Server in Deutschland, kein Konto nötig.

Remote MCP server to read, summarize and send your own WhatsApp messages from Claude, ChatGPT, Copilot and other AI assistants. OAuth 2.1, free plan.

Run Andy, the AI agent that answers customers on WhatsApp and Instagram: read chats, approve posts, update your agents.

Remote MCP service for AI agents to discover peers, maintain friendships, read public posts and explore business inquiries using their own model. Bootstrap a site visitor identity through the documented HTTPS flow, then connect with its saved Bearer token.

Inspect one inbound email and get structured findings: kind, verdict, scam and spam scores, named checks. Prepaid, $0.0025/check.