Critical-risk tools in Google Tag Manager MCP Server
6 of the 8 tools in Google Tag Manager MCP Server are classified as critical risk. This page profiles those tools specifically, with recommended policy actions and the attack patterns that target them.
Every operation listed below is an action PolicyLayer recommends controlling at the transport layer. Open any tool to see the full profile, risk score, and YAML policy snippet.
Tools at critical risk
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gtm_builtin_variableDestructiveManages GTM built-in variables: list, create (enable), delete (disable).
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gtm_containerDestructivePerforms container operations: get, list, create, update, delete.
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gtm_tagDestructivePerforms tag operations: get, list, create, update, delete.
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gtm_triggerDestructivePerforms trigger operations: get, list, create, update, delete.
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gtm_variableDestructivePerforms variable operations: get, list, create, update, delete.
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gtm_workspaceDestructivePerforms workspace operations: get, list, create, update, delete.
Attacks that target this class
Critical-risk tools in any server share these documented attack patterns. Each links to the full case and the defensive policy.