Calcom MCP Server

by mrfentmenio.github.mrfentmen/calcom-mcpv1.1.0

Query Cal.com API v2: event types, bookings, schedules. v1 is decommissioned.

Node.jsstdioofficial registry

context tax

pending

security

pending

cold start

pending

freshness

Active2d ago

Our reading of Calcom, from the data

Calcom is a calendar & scheduling MCP server from mrfentmen, listed in the official MCP Registry.

We haven't measured its tool list yet, so its token cost is unknown.

Maintenance is active: the last public signal was 2 days ago (2026-10-17). For comparison, 74% of calendar & scheduling servers are active or maintained.

It runs locally on your machine over stdio.

Install Calcom MCP server

claude mcp add calcom-mrfentmen -- npx -y calcom-mcp

{
  "mcpServers": {
    "calcom-mrfentmen": {
      "command": "npx",
      "args": [
        "-y",
        "calcom-mcp"
      ]
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "calcom-mrfentmen": {
      "command": "npx",
      "args": [
        "-y",
        "calcom-mcp"
      ]
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "calcom-mrfentmen": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "calcom-mcp"
      ]
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "calcom-mrfentmen": {
      "command": "npx",
      "args": [
        "-y",
        "calcom-mcp"
      ]
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Freshness

Active — last maintenance signal 2d ago. The newest of the signals below sets the band.

Last commit (default branch)
no data · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-10-17 · 2d ago · official registry · v1.1.0

How it compares in Calendar & Scheduling

Against the most-starred calendar & scheduling servers we index. Token cost is per model turn, measured from each server's live tool list.

Server	Stars	Tools	Tokens / turn	Freshness	Runs
Calcom (this)	—	—	not measured	Active	local
Google Workspace	3,370	—	not measured	Active	—
Vexa	2,889	—	not measured	Active	hosted
Minutes	1,557	—	not measured	Active	local
Google Calendar	1,200	—	not measured	Active	local
Microsoft 365	1,058	—	not measured	Active	local

All calendar & scheduling MCP servers

FAQ

›How do I install the Calcom MCP server in Claude Code?

Run: claude mcp add calcom-mrfentmen -- npx -y calcom-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Calcom require an API key?

No required environment variables are declared in its published metadata.

›Can I use Calcom as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Calcom in the official MCP registry?

Yes, as io.github.mrfentmen/calcom-mcp.

Sources and method

Official MCP Registry entry: updated 2026-10-17
Package registry (npm / PyPI): listed
Last checked against all sources: 2026-10-19

The description, packages and links come from the maintainer's own published metadata. Token cost, security signals, freshness and the reading above are MCPSkillHub's own measurements; see the methodology. Spot an error? Request a correction or claim the listing.