1 · Identify
Sign in securely
ChatGPT or Codex authenticates through a standards-based authorization server. The MCP validates issuer, audience, expiry, identity, and scope on every request.
Google Tag Manager × MCP
Your GTM configuration, available to the assistant you already use.
Connect your own Google account once, then explore Google Tag Manager safely from ChatGPT or Codex. Every tool is read-only and every user stays isolated.
OAuth 2.1 + PKCEEncrypted tokensNo shared accountNo fixed container
What it can do
A clear view of configuration, without write access.
- 01List accounts, containers, and workspaces
- 02Review tags, triggers, and variables
- 03Inspect tag configuration and firing triggers
- 04Audit duplicate-looking tags and missing references
2 · Connect
Authorize Google
You grant only tagmanager.readonly. Your refresh token is encrypted and stored under your verified identity.
3 · Explore
Choose your own account
The tools discover accounts from your credentials. There is no shared Google login and no hardcoded GTM container.
An important limit
Configuration is not live-site evidence.
The Google Tag Manager API shows how a workspace is configured. It does not prove that a tag fired in a visitor’s browser. Use GTM Preview, browser diagnostics, or analytics validation for live firing checks.