Official
Official Cal.com hosted MCP — AI agents book, reschedule, and query availability across 34 tools via OAuth 2.1, no local install.
cal.com, scheduling, booking, calendar
Best Scheduling & Calendar MCP Servers in 2026
Best calendar and scheduling MCP servers for 2026: Google's official remote Calendar MCP, Cal.com's hosted booking MCP, the GA hosted Calendly MCP, Outlook, and Apple iCloud — for AI agents that plan, book, and reschedule.
Top Scheduling & Calendar MCPs
- 1.Cal.com—Official Cal.com hosted MCP — AI agents book, reschedule, and query availability across 34 tools via OAuth 2.1, no local install.
- 2.HubSpot MCP—Official HubSpot MCP server — CRM contacts, deals, and meeting scheduling from Claude or Cursor.
- 3.Google Calendar—Read, create, and manage events across Google Calendar — via Google's official remote MCP or a self-hosted community server.
About Scheduling & Calendar MCP servers
The best MCP servers for scheduling and calendar in 2026 split across two jobs: internal calendar management and external booking. For internal scheduling, Google Calendar MCP ships as an official remote server (https://calendarmcp.googleapis.com/mcp/v1, OAuth 2.0, eight tools) and lets an agent read team calendars, find common slots, and create events without any local install. For external booking — where an agent needs to create a confirmed appointment, handle reschedules, and manage booking flows from start to finish — Cal.com's official hosted MCP at mcp.cal.com (OAuth 2.1, 34 tools) covers the complete booking lifecycle. Calendly's GA hosted MCP (https://mcp.calendly.com) sits between them: link-based scheduling without exposing internal availability. Microsoft 365 / Outlook covers work-calendar environments, and Apple iCloud Calendar over CalDAV handles the macOS/iOS user base.
Choose by the job the agent needs to do. For reading team calendars and finding overlap, use the Google Calendar or Outlook MCP. For creating real bookings with confirmation, reschedule, and cancellation flows, use Cal.com's MCP — it exposes the full booking workflow (34 tools) that Google Calendar's event-CRUD tools don't cover. For sharing a simple booking link with a client without the agent managing the booking directly, use Calendly's MCP. Pair whichever calendar MCP you choose with a Communication MCP to send the invite and a Productivity MCP to log the meeting against the right project.
Common mistakes: granting full mailbox scope when calendar-only would do, letting an agent create a booking without a user confirmation step (especially with Cal.com's create_booking tool — it fires immediately), and forgetting timezone normalization — calendar APIs return events in mixed timezones and models regularly get DST arithmetic wrong. Each MCP below documents auth scopes, required OAuth flows, and timezone handling. Start with read-only access to your own calendar, prove the "find a slot" flow, then add write capabilities one tool at a time.
All Scheduling & Calendar MCPs
5 MCPs ranked by popularity. Filter by attribute or search by name.
5 of 5 MCPs
| # | MCP | Tags | Setup | Complexity | Labels | |
|---|---|---|---|---|---|---|
| 1 | Cal.com Official Cal.com hosted MCP — AI agents book, reschedule, and query availability across 34 tools via OAuth 2.1, no local install. | cal.com, scheduling | 5 min | Low | Official | |
| 2 | HubSpot MCP Official HubSpot MCP server — CRM contacts, deals, and meeting scheduling from Claude or Cursor. | hubspot, crm | 10 min | Low | Official | |
| 3 | Google Calendar Read, create, and manage events across Google Calendar — via Google's official remote MCP or a self-hosted community server. | google-calendar, scheduling | 10 min | Medium | ||
| 4 | Apple Calendar (CalDAV) Read and create events in Apple Calendar via CalDAV from any MCP client. | calendar, apple | 10 min | Medium | ||
| 5 | Calendly Official hosted MCP for booking-link scheduling — share availability without exposing the raw calendar. | calendar, scheduling | 5 min | Low |
Top Scheduling & Calendar MCPs ranked
Detailed cards with setup time, complexity, and key labels.
Official
Official HubSpot MCP server — CRM contacts, deals, and meeting scheduling from Claude or Cursor.
hubspot, crm, meetings, scheduling
10 minLow
Read, create, and manage events across Google Calendar — via Google's official remote MCP or a self-hosted community server.
google-calendar, scheduling, events, productivity
Read and create events in Apple Calendar via CalDAV from any MCP client.
calendar, apple, caldav, icloud
Official hosted MCP for booking-link scheduling — share availability without exposing the raw calendar.
calendar, scheduling, calendly, booking
Also in the ChatGPT Apps directory
1 Scheduling & Calendar brand is available as one-click ChatGPT Apps. These are not ranked alongside the editorial picks above — they're listings from chatgpt.com/apps surfaced here for brand-search continuity.
FAQ: Scheduling & Calendar MCPs
Which calendar MCP should I start with?
Google Calendar if you use Workspace, Outlook Calendar if you use Microsoft 365. Both expose read, free-busy, and create-event tools; the create surface should require a human-in-the-loop confirmation.