topmcps
Browse MCPs

MCP Comparison · 2026

Apple Calendar (CalDAV) vs Cal.com MCP Server

Comparing Apple Calendar (CalDAV) and Cal.com as MCP servers? Apple Calendar (CalDAV) (manage caldav events) is best when icloud calendar access. Cal.com (book and manage appointments) is best when agentic booking assistants. Both run as Model Context Protocol servers and can coexist in the same client. Updated 2026.

Apple Calendar (CalDAV)

Apple Calendar (CalDAV)

Read and create events in Apple Calendar via CalDAV from any MCP client.

Cal.com

Cal.com

Official Cal.com hosted MCP — AI agents book, reschedule, and query availability across 34 tools via OAuth 2.1, no local install.

Side-by-side specs

Pulled from each MCP's verified fact sheet.

 Apple Calendar (CalDAV)Cal.com
Primary functionManage CalDAV EventsBook and Manage Appointments
MaintainerCommunityCal.com (official)
PricingOpen sourceFreemium
Setup complexityMedium · ~10 minLow · ~5 min
TransportstdioStreamable HTTP
Auth modelAPI keyOAuth 2.1
LicenseMITAGPL-3.0
LanguageTypeScriptTypeScript
Latest versionlatestlatest
Compatible clientsClaude, Cursor, Any MCP-compatible clientClaude, Cursor, Any MCP-compatible client that supports OAuth 2.1
Last verified2026-05-262026-06-28

Which one should you pick?

Decision rubric drawn from each MCP's documented strengths.

Choose Apple Calendar (CalDAV)

  • iCloud calendar access
  • Self-hosted CalDAV setups
  • Local-only calendar workflows
See full Apple Calendar (CalDAV) write-up →

Choose Cal.com

  • Agentic booking assistants
  • Product-embedded scheduling workflows
  • Demo and onboarding scheduling
See full Cal.com write-up →

Pick something else if…

  • Google Workspace primary surfaces
  • Raw calendar event management outside booking flows

Feature breakdown

Key capabilities each server ships out of the box.

Apple Calendar (CalDAV)

  • CalDAV protocol
  • iCloud and Fastmail support
  • Timezone handling
  • Recurring-event reads
  • Event CRUD

Cal.com

  • Official Cal.com hosted MCP at mcp.cal.com
  • OAuth 2.1 + Streamable HTTP transport (no local setup)
  • 34 tools: event types, bookings, availability, schedules
  • Free and paid Cal.com plans supported
  • Open-source self-host option available

Install snippets

Open the detail page for ready-to-paste config for every major client.

Install Apple Calendar (CalDAV)

Setup snippets for Claude, Cursor, VS Code, Windsurf →

npx -y caldav-mcp

Install Cal.com

Setup snippets for Claude, Cursor, VS Code, Windsurf →

Connect to https://mcp.cal.com/mcp (hosted; OAuth 2.1, no local install)

FAQ

Apple Calendar (CalDAV) vs Cal.com: which MCP server should I use?

Pick Apple Calendar (CalDAV) when icloud calendar access. Pick Cal.com when agentic booking assistants. Apple Calendar (CalDAV) is built for manage caldav events, while Cal.com focuses on book and manage appointments.

Can I run both Apple Calendar (CalDAV) and Cal.com together?

Yes. MCP clients run each server as a separate process and surface every server's tools simultaneously, so you can install both and let your agent decide which to call. Be deliberate with auth scopes when stacking servers.

Which is easier to set up, Apple Calendar (CalDAV) or Cal.com?

Cal.com has the lighter setup. Apple Calendar (CalDAV) reports medium complexity (~10 min); Cal.com reports low complexity (~5 min).

More Apple Calendar (CalDAV) comparisons

Apple Calendar (CalDAV)vsGoogle CalendarApple Calendar (CalDAV)vsOutlook CalendarApple Calendar (CalDAV)vsHubSpot MCP

Browse all Scheduling & Calendar MCPs? See the full ranked list →