"Setting Up or Using an MQTT Server" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
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.
Read-only MCP server for short-term rental owners in Poland. Query reservations, availability, pricing, guest reviews, and monthly stats via 10 tools. OAuth 2.1 with PKCE or static Bearer token.
Scheduling: event types, open slots, and booking, rescheduling or cancelling meetings in Caly.
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/
Find open times and book, reschedule or cancel meetings on anyone's Tempi link. No account needed.
Free hosted MCP server that connects ChatGPT and Claude (claude.ai, Claude Code) to multiple Gmail, Google Calendar, Google Drive (read-only) and Google Contacts accounts, Slack workspaces and Notion through one connection URL. Search, read and act across every connected account at once, with a memory shared across your AI assistants. OAuth sign-in. Outlook / Microsoft 365 are not supported.
Zero-auth MCP server for sending a reminder to anyone with a public UnRemind.me page. No account or token. The recipient approves it before it enters their list.
Japanese holiday and business-day calculations using official Japan Cabinet Office data.
Search clients, appointments, intakes, notes and invoices in IntakeQ, and book or cancel visits.
Hosted MCP server for the Healthie EHR & telehealth API: patients, appointments, charting, tasks.
MCP server for Cronofy — read calendars, events and free/busy, and create, update or delete events.
Hosted MCP server for Cliniko — patients, appointments, availability, and invoices for AI agents.
Read Humanitix events, orders, tickets and live check-in counts, and check tickets in or out.
Look up people, groups, service rosters, songs, follow-up flows and giving in Elvanto.
Read appointments, types, calendars and availability; create, cancel or reschedule bookings.
Look up members, events, registrations, invoices and payments, and add contacts or check in guests.
MCP server for Nylas — read email, calendars, events and contacts, and send email or create events.
Look up Momence members, class schedules, bookings and memberships, and handle front-desk actions.
Look up appointments, clients, services, staff and orders, and update clients in Boulevard.
Look up shop customers, vehicles, work orders and parts, and create orders or book appointments.
