Google Calendar MCP Server

Enables Claude to interact with Google Calendar through OAuth authentication, allowing users to list events, create and manage meetings, update or delete calendar entries, and find available time slots using natural language.

→ v-3/google-calendar · listed on glama

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// key findings

⚠️

Known vulnerabilities in dependencies: 2 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

✅

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.

🔐

You'll be asked for 2 credentials: GOOGLE_CLIENT_SECRET, GOOGLE_REFRESH_TOKEN

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// required environment variables

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

configGOOGLE_CLIENT_ID— "": "your_client_id_here",

🔐 secretGOOGLE_CLIENT_SECRET— "": "your_client_secret_here",

configGOOGLE_REDIRECT_URI— "": "http://localhost",

🔐 secretGOOGLE_REFRESH_TOKEN— "": "your_refresh_token_here"

// 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 3 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/v-3-google-calendar-dxwerq)](https://m8ven.ai/mcp/v-3-google-calendar-dxwerq)

commit: 5644d05abc272a2e8866d677037d735127abecd6

code hash: 2d8e088da46752fd679f19ccef72e93317bd125c5e5fcedf954fe873dbbe7963

verified: 6/17/2026, 12:34:46 PM

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