Google Tag Manager / API Reference

`gtm_update_tag`

Tag Manager tool. Update an existing GTM tag. Args: account_id: The GTM account ID. container_id: The GTM container ID. workspace_id: The GTM workspace ID. tag_id: The tag ID to update. tag_body: JSON string with the updated tag definition.

This is a write tool: it updates tag in your Google Tag Manager account. Claude asks you to confirm before it runs.

Ask Claude

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

Update tag in my Google Tag Manager account for [container id], [workspace id], [tag id].

It takes 5 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
`tag_id`	string	Yes	Tag Id
`tag_body`	string	Yes	Tag Body

Related Google Tag Manager tools

gtm_update_trigger
gtm_update_variable
gtm_audit_container
gtm_build_constant_variable
gtm_build_conversion_linker_tag
gtm_build_custom_event_trigger

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.