topmcps
Browse MCPs

MCP Comparison · 2026

Cal.com vs HubSpot MCP MCP Server

Comparing Cal.com and HubSpot MCP as MCP servers? Cal.com (book and manage appointments) is best when agentic booking assistants. HubSpot MCP (crm + meeting scheduling) is best when b2b sales meeting scheduling tied to crm context. Both run as Model Context Protocol servers and can coexist in the same client. Updated 2026.

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.

HubSpot MCP

HubSpot MCP

Official HubSpot MCP server — CRM contacts, deals, and meeting scheduling from Claude or Cursor.

Side-by-side specs

Pulled from each MCP's verified fact sheet.

 Cal.comHubSpot MCP
Primary functionBook and Manage AppointmentsCRM + Meeting Scheduling
MaintainerCal.com (official)HubSpot
PricingFreemiumFreemium
Setup complexityLow · ~5 minLow · ~10 min
TransportStreamable HTTPstdio
Auth modelOAuth 2.1API key
LicenseAGPL-3.0Proprietary
LanguageTypeScriptTypeScript
Latest versionlatest0.4.0
Compatible clientsClaude, Cursor, Any MCP-compatible client that supports OAuth 2.1Claude, Cursor, Claude Code, Any MCP-compatible client
Last verified2026-06-282026-06-28

Which one should you pick?

Decision rubric drawn from each MCP's documented strengths.

Choose Cal.com

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

Choose HubSpot MCP

  • B2B sales meeting scheduling tied to CRM context
  • RevOps workflows that need CRM + meetings in one agent
  • Looking up booked meetings on a contact or deal
See full HubSpot MCP write-up →

Pick something else if…

  • Raw calendar event management outside booking flows
  • Teams without a HubSpot account

Feature breakdown

Key capabilities each server ships out of the box.

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

HubSpot MCP

  • Official HubSpot-authored MCP server
  • Contact and company search
  • Deal and ticket management
  • Meeting scheduling link retrieval
  • Booked-meeting lookup by CRM record
  • Private App token scoping

Install snippets

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

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)

Install HubSpot MCP

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

npx -y @hubspot/mcp-server

FAQ

Cal.com vs HubSpot MCP: which MCP server should I use?

Pick Cal.com when agentic booking assistants. Pick HubSpot MCP when b2b sales meeting scheduling tied to crm context. Cal.com is built for book and manage appointments, while HubSpot MCP focuses on crm + meeting scheduling.

Can I run both Cal.com and HubSpot MCP 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.

How fresh is this comparison?

Updated for 2026. Cal.com's last verification: 2026-06-28. HubSpot MCP's last verification: 2026-06-28. We refresh detail-page facts on every catalog rebuild.

More Cal.com comparisons

Cal.comvsGoogle CalendarCal.comvsOutlook CalendarCal.comvsCalendlyCal.comvsApple Calendar (CalDAV)

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