calendar-mcp

Exposes Apple Calendar data through an EventKit helper app. Enables reading, creating, updating, and deleting calendar events on macOS.

→ atfinke/calendar-mcp · listed on glama

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// key findings

✅

7 tools verified — handlers match their declared behaviour

3 read-only tools verified — handlers contain no write/delete/exec

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

✅

Open source with a license and README

Anyone can audit the code, the license is declared, and the publisher documents what it does.

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configCALENDAR_MCP_HELPER_APP_PATH— "": "/absolute/path/to/calendar-mcp/CalendarMCPHelperApp/build/Build/Products/Release/CalendarMCPHelperApp.app"

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 5 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/atfinke-calendar-mcp-9ez2v6)](https://m8ven.ai/mcp/atfinke-calendar-mcp-9ez2v6)

commit: 48b0b46a8a12d9bafdcc3f51802f6d520e54abd7

code hash: 8fac6a07327b7a012c8da5ddae7c571a574e53487e75bc478d7b87d31c483960

verified: 6/22/2026, 12:07:14 PM

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