"Simple HTTP server or client implementation" matching MCP connectors:

Scheduling, availability, clients, billing and CRM for appointment-based services.

Read appointments, types, calendars and availability; create, cancel or reschedule bookings.

Agent-native CRM + get-booked platform. Operate over MCP, or pay per call via x402. No login.

Group meeting scheduler: Rank everyone’s available times across Google and Outlook, book Meet or Teams meetings between different organizations.

Personalized timing intelligence for AI agents — ask 'should I do X on this date?'

Microsoft Exchange MCP server - hosted, multi-user, incl. Exchange on-prem & hybrid (EWS)

Open-source MCP server that gives AI agents access to real email and calendar in one npm install. Solves the problem of AI agents hitting a wall when they need your inbox.

The Cronofy MCP Server allows AI tools to schedule meetings with the Cronofy Scheduler. It is an endpoint that supports the Model Context Protocol for adding Cronofy to your agentic workflows. It is a server that provides tool rather than search capabilities. You can add the Cronofy MCP Server to your environment and list the tools without authorization. However, authorization is required to call any of the tools provided.

AI-native scheduling: check availability, book meetings, cancel and reschedule via MCP

MCP server for Cronofy — read calendars, events and free/busy, and create, update or delete events.

Hosted MCP server for the Healthie EHR & telehealth API: patients, appointments, charting, tasks.

Hosted MCP server for Cliniko — patients, appointments, availability, and invoices for AI agents.

Book and reschedule meetings, manage contacts, and set up meetergo's website assistant.

MCP server for Nylas — read email, calendars, events and contacts, and send email or create events.

Manage Novacal event types, availability, and bookings.

Read-only A2Me family context tools for AI assistants (members, dates, activity, relationships)

SimplyBook.me is an online booking and scheduling platform for service-based businesses. Its MCP connector lets AI assistants create and manage bookings, look up client and appointment data, and check availability directly from a chat interface. Connect your AI assistant to your SimplyBook.me - Free Appointment Booking System booking account.

Manage your family's calendars and lists in Cozi. View, create, and update appointments; organize…

MCP server for Zooza — class scheduling, attendance, and booking for activity businesses.

Create events, collect guest photos and manage RSVP invitations for weddings and parties.