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Google Tag Manager MCP for Claude, ChatGPT and Cursor

Your site’s analytics and conversion tags. Audit what is live and stage new ones. Nothing Hermoso writes reaches a visitor until you publish the container.

Google Tag Manager Measurement · 8 things it can do · connect once, use it everywhere
8things it can do for you 6+apps you can run it from 1login, shared by every app Liveread and manage on the spot

The Google Tag Manager MCP from Hermoso is a hosted MCP server: connect Google Tag Manager once and Claude, ChatGPT, Cursor or any other assistant you use can work in your Google Tag Manager account for you. It is the same connection the Hermoso app uses, so you sign in once, and Google Tag Manager sits next to the rest of the marketing Hermoso runs on autopilot for you.

What Hermoso does with Google Tag Manager

Your site’s analytics and conversion tags. Audit what is live and stage new ones. Nothing Hermoso writes reaches a visitor until you publish the container.

Tag auditConversion tagsTriggersPublish

Just ask for it

Type it the way you would say it to a colleague. These are real things people ask for.

What does Google Tag Manager say about last week, and what changed?

Break that down by channel and landing page.

Which campaign is actually converting in Google Tag Manager?

Everything Hermoso can do on Google Tag Manager

You say it in your own words. Here is what Hermoso can actually do on Google Tag Manager.

Publish and schedule

Create triggerPublish container

Read and measure

See containersSee tagsSee versions

Respond and manage

Preview publish

Works wherever you already chat

It is one account, not one per app. Schedule something from Cursor and it shows up in your Hermoso calendar; draft a reply in Claude and it goes out from the same profile.

ClaudeChatGPTClaude CodeCursorCodexClineCLI

Set up the Google Tag Manager MCP

  1. Open the app, go to Workspace ▸ Connectors and connect Google Tag Manager. One authorisation covers the web app, the MCP server and the CLI.
  2. Add the Hermoso MCP server to your assistant. The URL is https://app.hermoso.ai/mcp. In Claude: Settings → Connectors → Add custom connector, paste the URL, then sign in on the consent page. In Claude Code: claude mcp add --transport http hermoso https://app.hermoso.ai/mcp. There is no key to paste; the connector signs in with OAuth.
  3. Ask for what you want in plain words. The Google Tag Manager tools are there with everything else Hermoso does.

Every other client and the CLI: MCP & CLI. Or see every channel we connect to.

Related

Other measurement channels: Google Analytics, Google Search Console, Bing Webmaster Tools, HubSpot, Stripe, PostHog, Mixpanel and Amplitude.

Frequently asked questions

Can an AI agent post to Google Tag Manager through Hermoso?

Yes. The Google Tag Manager surface is exposed over one OAuth'd MCP endpoint, so Claude, ChatGPT, Cursor, Codex, Cline and the CLI can all drive it once the account is connected.

Do I need a separate Google Tag Manager connection for the app and for MCP?

No. One authorisation covers the web app, the MCP server and the CLI. It is the same stored connection.

What is the Google Tag Manager MCP server URL?

https://app.hermoso.ai/mcp. It is one hosted server for every channel Hermoso connects to, so there is no separate Google Tag Manager server to install. Add it to your assistant as a custom connector and sign in with OAuth; no key to paste.

Start free with 30 credits at signup and every feature on every plan. Connecting, posting, scheduling and managing ads here is free; credits are spent only on AI models and Ad Spy research.

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