Critical-risk tools in Google Tag Manager MCP Server
14 of the 18 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_built_in_variableDestructivePerforms all built-in variable operations: create, list, remove, revert. The
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gtm_clientDestructivePerforms all client operations: create, get, list, update, remove, revert. The
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gtm_containerDestructivePerforms all container-related operations: create, get, update, remove, list, combine, lookup, moveTagId, snippet. The
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gtm_environmentDestructivePerforms all environment operations: create, get, list, update, remove, reauthorize. The
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gtm_folderDestructivePerforms all folder operations: create, get, list, update, remove, revert, entities, moveEntitiesToFolder. The
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gtm_gtag_configDestructivePerforms all Google tag config operations: create, get, list, update, remove. The
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gtm_tagDestructivePerforms all GTM tag operations: create, get, list, update, remove, revert. The
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gtm_templateDestructivePerforms all GTM custom template operations: create, get, list, update, remove, revert. The
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gtm_transformationDestructivePerforms all GTM transformation operations: create, get, list, update, remove, revert. The
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gtm_user_permissionDestructivePerforms all user permission operations: create, get, list, update, remove. The
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gtm_variableDestructivePerforms all GTM variable operations: create, get, list, update, remove, revert. The
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gtm_versionDestructivePerforms all container version operations: get, live, publish, remove, setLatest, undelete, update. For
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gtm_workspaceDestructivePerforms various workspace operations including create, get, list, update, remove, createVersion, getStatus, sync, quickPreview, and resolveConflict actions. The
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gtm_zoneDestructivePerforms various zone operations including create, get, list, update, remove, and revert actions. The
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.