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samarth-gtm-mcp

Production-ready MCP server for Google Tag Manager API v2 — Samarth Analytics

→ samarthanalytics-sj/samarth-analytics-mcp· npm: samarth-gtm-mcp· listed on npm
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// key findings
⚠️
Known vulnerabilities in dependencies: 3 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
⚠️
Tests do not pass
Either the test suite is broken or the code regressed. Either way the published behaviour can’t be verified by the publisher’s own tests.
✅
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
🔐
You'll be asked for 6 credentials: GOOGLE_CLIENT_SECRET, GOOGLE_DESKTOP_CLIENT_SECRET, GOOGLE_OAUTH_CLIENT_SECRET, PORTAL_GOOGLE_OAUTH_CLIENT_SECRET, PORTAL_SESSION_SECRET, SESSION_SECRET
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// known CVEs in dependencies3 high2 low

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

high@modelcontextprotocol/sdk@1.17.4GHSA-345p-7cg4-v4c7

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

high@modelcontextprotocol/sdk@1.17.4GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.17.4GHSA-w48q-cv73-mx4w

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

lowexpress@4.18.2GHSA-qw6h-vgh9-j6wx

express vulnerable to XSS via response.redirect()

lowexpress@4.18.2GHSA-rv95-896h-c2vc

Express.js Open Redirect in malformed URLs

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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.
configELECTRON_RENDERER_URL
configGOOGLE_CLIENT_ID— Edit .env — at minimum add and GOOGLE_CLIENT_SECRET
🔐 secretGOOGLE_CLIENT_SECRET— Edit .env — at minimum add GOOGLE_CLIENT_ID and
configGOOGLE_DESKTOP_CLIENT_ID
🔐 secretGOOGLE_DESKTOP_CLIENT_SECRET
configGOOGLE_OAUTH_CLIENT_ID— ... GOOGLE_OAUTH_CLIENT_SECRET=... npx -y -p samarth-gtm-mcp samarth-gtm-auth
🔐 secretGOOGLE_OAUTH_CLIENT_SECRET— GOOGLE_OAUTH_CLIENT_ID=... =... npx -y -p samarth-gtm-mcp samarth-gtm-auth
configGOOGLE_OAUTH_REDIRECT_URI
configPORTAL_GOOGLE_OAUTH_CLIENT_ID
🔐 secretPORTAL_GOOGLE_OAUTH_CLIENT_SECRET
configPORTAL_GOOGLE_OAUTH_REDIRECT_URI
configPORTAL_PUBLIC_URL
🔐 secretPORTAL_SESSION_SECRET
configSAMARTH_DESKTOP_DATA_DIR
🔐 secretSESSION_SECRET
configVERCEL
// 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 4 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/samarth-gtm-mcp-e5bi6d)](https://m8ven.ai/mcp/samarth-gtm-mcp-e5bi6d)
commit: 8f38f2bba04ca1ef601ef9be13d91d03d94da07f
code hash: 1538ef4603df514a8cc4d87f2c14818223fc9957bb7c47c0943858304d89e286
verified: 7/1/2026, 9:54:32 AM
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