GA4 MCP Server

Item: GA4 MCP Server
Rating: 56
Author: M8ven

Enables interaction with Google Analytics 4 to manage accounts, run standard or realtime reports, and validate event parameters. It supports dual authentication methods and integrates with GTM for end-to-end data collection orchestration.

→ wonyoungseong/ga4-mcp-server · listed on glama

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// key findings

⚠️

Known vulnerabilities in dependencies: 5 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.

🔐

You'll be asked for 3 credentials: GA4_ACCESS_TOKEN, GA4_CLIENT_SECRET, GA4_REFRESH_TOKEN

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

// known CVEs in dependencies5 high

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

high@modelcontextprotocol/sdk@1.18.1GHSA-345p-7cg4-v4c7

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

high@modelcontextprotocol/sdk@1.18.1GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.18.1GHSA-w48q-cv73-mx4w

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

highxlsx@0.18.5GHSA-4r6h-8v6p-xvw6

Prototype Pollution in sheetJS

highxlsx@0.18.5GHSA-5pgg-2g8v-p4x9

SheetJS Regular Expression Denial of Service (ReDoS)

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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.

🔐 secretGA4_ACCESS_TOKEN— OAuth access token

configGA4_CLIENT_ID— export ="your-client-id.apps.googleusercontent.com"

🔐 secretGA4_CLIENT_SECRET— export ="your-client-secret"

🔐 secretGA4_REFRESH_TOKEN— OAuth refresh token

configGA4_SERVICE_ACCOUNT_JSON— 1. Set environment variable with JSON string

configGOOGLE_APPLICATION_CREDENTIALS— 2. Set to the JSON file path

// 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/wonyoungseong-ga4-mcp-server-1728gu)](https://m8ven.ai/mcp/wonyoungseong-ga4-mcp-server-1728gu)

commit: 7da0f6988b01b5b3abc553dad5b2e83baae2dcb2

code hash: f816e85d582ab38b33a96b78a61b466178b93af1e8f4c964979b16672729e0d0

verified: 6/11/2026, 11:21:59 AM

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