google-calendar-mcp

Item: google-calendar-mcp
Rating: 56
Author: M8ven

A Model Context Protocol server for Google Calendar integration, enabling AI assistants to manage events, check availability, and work with multiple accounts and calendars.

→ 84emllc/google-calendar-mcp · listed on glama

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// key findings

🚨

Known vulnerabilities in dependencies: 1 critical, 3 high

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

// known CVEs in dependencies1 critical3 high

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

criticalvitest@3.1.1GHSA-5xrq-8626-4rwp

When Vitest UI server is listening, arbitrary file can be read and executed

high@modelcontextprotocol/sdk@1.12.1GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.12.1GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.12.1GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

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// required environment variables

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

configENABLED_TOOLS— Comma-separated list of tools to enable (see Tool Filtering below)

configGOOGLE_ACCOUNT_MODE

configGOOGLE_CALENDAR_MCP_TOKEN_PATH— Custom token storage location (optional)

configGOOGLE_OAUTH_CREDENTIALS— "": "/path/to/your/gcp-oauth.keys.json"

configHOST

configPORT

configTRANSPORT

configXDG_CONFIG_HOME

// 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 6 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/84emllc-google-calendar-mcp-1bm4a3)](https://m8ven.ai/mcp/84emllc-google-calendar-mcp-1bm4a3)

commit: 5ea28cb7baca2af8c87d1ef72671e0ef8d980da0

code hash: f7d502d164d42dde2539f7f7e612c8a3d643fbb9dda8debf4593cbed33152e52

verified: 6/18/2026, 10:58:38 AM

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