Google Tag Manager / API Reference

`gtm_list_builtin_variables`

Tag Manager tool. List all enabled built-in variables in a GTM workspace (e.g. Click URL, Page Path). Args: account_id: The GTM account ID. container_id: The GTM container ID. workspace_id: The GTM workspace ID.

This is a read-only tool: it lists builtin variables from your Google Tag Manager account. It changes nothing.

Ask Claude

You do not call this tool yourself. Ask for the outcome and the client picks the tool:

List builtin variables in my Google Tag Manager account for [container id], [workspace id].

It takes 3 required and 0 optional parameters.

Parameters

Parameter	Type	Required	Description
`account_id`	string	Yes	Account Id
`container_id`	string	Yes	Container Id
`workspace_id`	string	Yes	Workspace Id

Related Google Tag Manager tools

gtm_list_accounts
gtm_list_containers
gtm_list_folder_entities
gtm_list_folders
gtm_list_tags
gtm_list_triggers

Before you can call it

This tool needs a connected Google Tag Manager account. The Google Tag Manager connect guide covers how to authorize it and what it unlocks, and the quickstart gets a client talking to the server in about five minutes.

Start free — 30 tool calls a month

No card required. Connect Google Ads, Meta Ads, GA4 or Search Console and ask Claude for the outcome — it picks the tool.