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Samarth GTM MCP Server

Production-grade MCP server for the Google Tag Manager API v2 with read-only GA4 (Admin + Data API) tooling. 107 tools covering the full GTM surface, including server-side containers. Ships read-only: writes, publishes, and deletes are each gated behind separate opt-in flags, every mutation requires per-call confirmation, and a dry-run mode simulates changes. Includes container audits

→ samarthanalytics-sj/samarth-analytics-mcp· listed on glama
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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_OAUTH_CLIENT_SECRET, PORTAL_GOOGLE_OAUTH_CLIENT_SECRET, PORTAL_SESSION_SECRET, RUNTIME_WORKER_TOKEN, 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

Depend on this server? Get alerted when its CVEs change.Watch this server free →
// required environment variables
This server reads these from process.env. You'll be asked to provide them before it can run.
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_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
configPORT— GTM_MCP_HTTP_PORT 3001 HTTP server port (http transport only; falls back to )
configPORTAL_GOOGLE_OAUTH_CLIENT_ID
🔐 secretPORTAL_GOOGLE_OAUTH_CLIENT_SECRET
configPORTAL_GOOGLE_OAUTH_REDIRECT_URI
configPORTAL_PUBLIC_URL
🔐 secretPORTAL_SESSION_SECRET
configRUNTIME_WORKER_ALLOWLIST
configRUNTIME_WORKER_MAX_URLS
configRUNTIME_WORKER_MAX_WAIT
configRUNTIME_WORKER_MODE
configRUNTIME_WORKER_TIMEOUT
🔐 secretRUNTIME_WORKER_TOKEN
🔐 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/samarthanalytics-sj-samarth-analytics-mcp-ka7c5u)](https://m8ven.ai/mcp/samarthanalytics-sj-samarth-analytics-mcp-ka7c5u)
commit: 004b192061e452fe244e5b8b1ba9ef470c99554f
code hash: cb632ec52e47e4f50f9008094868fb2ce05f37c6fda2f1364030a4b211ab1339
verified: 6/15/2026, 12:57:36 PM
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