"Systems or platforms that support dynamic registration" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Never-stored live email: read, send, organize, schedule and auto-triage Gmail or any IMAP mailbox.
Hosted email MCP for your own Gmail, Outlook.com, Microsoft 365, iCloud or IMAP inbox: read, search, draft, reply in thread, forward and file mail. It moves or flags up to 500 messages in one call, and a send leaves exactly one copy in Sent. A calendar is a separate connection, and connecting one adds diary and scheduling tools.
Run live audience Q&A and polls from your agent: start an AskOne room, add and launch a poll, approve or hide questions and mark them answered, close the room, then read the questions as a FAQ draft and get the results. Uses an organization API token.
An MCP connector that lets your AI agents ask you questions, request permission approvals, and send alerts as push notifications to your phone and mac notch, so you can unblock and approve your agents from anywhere.
ai-mail.sh gives your AI agent its own email address for $0.05, paid with x402 (USDC on Base), with no signup. Verification codes and links come back already extracted, and wait holds the request until mail arrives. Addresses are never reassigned: come back months later, pay again, same address. Receive-only, no tracking, and you delete it, it's gone. Works over HTTP or MCP.
Send a fax from AI. Pay per fax. No registration or subscription. Pay only for successful faxes.
Secure P2P File Transfer, Encrypted Chat & Communication | Decentralized P2P & AES-256-GCM encryption | Zero cloud logs. Zero registration. For humans and autonomous AI agents / MCP servers.
WhatsApp for AI agents — your own number or the official Cloud API: messages, media, templates.
A hosted LinkedIn MCP server for your own account. Paste one address into Claude, ChatGPT, Cursor or n8n to read your inbox, send messages and invitations, and search people. Free to start. Not made by LinkedIn.
Hire freelancers or find work on a no-commission board in 6 languages, for people and AI agents: search offers and requests, message authors (auto-translated), propose terms. Read-only search needs no account; full access signs in with Telegram or email via OAuth 2.1, and sensitive steps wait for the person's approval.
WhatsMCP connects Claude and other MCP-compatible AI agents directly to WhatsApp. Send and receive text, images, documents, and voice notes; manage groups (create, add/remove members, promote admins); look up contacts and profiles; follow channels; and read call and message history — all through a standard MCP interface. For voice use cases, WhatsMCP offers SIP-based calling plans (inbound-only, or full inbound/outbound) so AI voice agents can answer and place WhatsApp calls, plus low-latency WebSocket integrations with voice agent providers like ElevenLabs. Multiple WhatsApp accounts can be paired and managed per workspace, with webhook support for real-time inbound message delivery to your own infrastructure.
Atendio is a WhatsApp AI assistant for businesses in Latin America, on the official WhatsApp Business Platform. This MCP server lets Claude (or any MCP client) list and read WhatsApp conversations, view analytics and assistant settings, and create, edit or delete the rules your AI assistant follows. Remote, OAuth 2.1; the business always reviews and publishes rule changes.
Let Claude or another MCP-compatible AI check your balance, look up orders, and send letters on your behalf
Exact international dialing instructions for any country or number, plus per-minute call prices.
Email inboxes for recurring agent work. Read, search, reply, draft and organize correspondence. OAuth or a Cherami API key authorizes private mail access; tool discovery is public. Setup: https://cherami.to/docs/mcp
In-app support chat for mobile and web apps: read, triage and answer users, set up apps.
Turn finished agent work into a shareable, updatable web page that opens in WeChat. OAuth required.
Search, summarize and organize your WhatsApp chats from Claude, ChatGPT or Cursor: contacts, groups, labels, notes, reminders and scheduled messages. Tool calls run in the Kaption extension for WhatsApp Web (Chrome, Edge) or the Kaption desktop app, which must be open. Sign-in is OAuth 2.1 with a code sent on WhatsApp. No send-now tool. Setup: https://kaptionai.com/mcp/
Give your AI assistant a real phone line. Place and end real phone calls with AI voice agents, read call transcripts, run a live two-way interpreter between two people who share no language (31 languages, browser link or phone), create and edit voice agents, and search, buy and bind phone numbers in 21 countries. OAuth 2.1 with PKCE — the model never sees your API key; a read-only scope is available. Pay as you go from $0.10/min, $5 free credit for new accounts.
Reminders your agent creates: email, WhatsApp, SMS or call, in steps you set. Stops on acknowledge.