MCP.Market

Calcom MCP server

by mrfentmen·io.github.mrfentmen/calcom-mcp·v1.1.0
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Query Cal.com API v2: event types, bookings, schedules. v1 is decommissioned.

C65/100grade C
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Safety scan
C65/100

full report

Adoption
New

262 downloads/wk

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If you have run it, two minutes of your experience saves the next person an afternoon.

Calcom tools (10)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • booking

    Booking by UID.

  • event_type

    Single event type.

  • list_bookings

    Upcoming bookings with attendee and start time.

  • list_event_types

    Scheduling links people can book, with duration.

  • list_schedules

    Availability schedules and their timezones.

  • me

    Authenticated user.

  • schedule

    Schedule by ID.

  • team_details

    Single team.

  • teams

    All teams.

  • webhooks

    Registered webhooks.

Public scan report

scanner v0.1.10 · 2026-10-28 · same rubric, same numbers if you re-run it

no findings
  • Code scan7 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitylocal package, no credentials required12/15
  • Maintenancerepository not readable: repo not found3/15
  • Maintainer identityno repository or website to verify2/10
Overall 65/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Calcom compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
65/100
higher than 20% of 48,255 servers
Tools
10
the typical server has 7
Tools that change things
0%
typical: 0%. Fewer write tools means less an agent can break
Downloads a week
262
more than 79% of 12,191 servers with a package

What its tools let an agent do: 9 read · 1 create

Install Calcom in Claude Code, Cursor or VS Code

Runs npx -y calcom-mcp on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add calcom-mcp -- npx -y calcom-mcp
Add to Cursor

Calcom: common questions

Is Calcom MCP server safe?
With care: it is graded C, so read the findings first (65/100). Read the Calcom safety report
How do I install Calcom?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Calcom need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Calcom maintained?
The latest release is v1.1.0.
How does Calcom compare with other MCP servers?
safety score 65/100 (higher than 20% of 48,255 servers); tools 10 (the typical server has 7); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.

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