High-risk tools in Marketo MCP Server
33 of the 298 tools in Marketo MCP Server are classified as high 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 high risk
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activate_smart_campaignExecuteActivate a smart campaign in Marketo.
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approve_email_programExecuteApprove an Email Program in Marketo.
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custom_approve_custom_object_typeExecute[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_cancel_activity_export_jobExecute[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_cancel_custom_object_export_jobExecute[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_cancel_program_member_export_jobExecute[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_clone_smart_campaignExecute[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_create_activity_export_jobExecutecustom_create_activity_export_job
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custom_create_program_member_export_jobExecute[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_deactivate_smart_campaignExecute[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_enqueue_activity_export_jobExecute[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_enqueue_custom_object_export_jobExecute[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_enqueue_program_member_export_jobExecute[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_get_weekly_errorsExecute[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_list_program_member_export_jobsExecute[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_push_leadsExecute[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_query_custom_objectsExecutecustom_query_custom_objects
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custom_query_named_account_listsExecute[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_query_named_accountsExecute[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_query_opportunitiesExecute[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_query_opportunity_rolesExecute[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_query_program_membersExecute[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_query_sales_personsExecute[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_send_sample_emailExecute[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_sync_custom_object_typeExecute[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_sync_custom_objectsExecute[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_transition_email_template2_stateExecute[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_transition_email2_stateExecute[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_transition_fragment_stateExecute[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_update_email2Execute[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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deactivate_smart_campaignExecuteDeactivate a smart campaign in Marketo.
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request_campaignExecuteRequest a smart campaign for specific leads.
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schedule_batch_campaignExecuteSchedule a batch smart campaign to run at a specific time.
Attacks that target this class
High-risk tools in any server share these documented attack patterns. Each links to the full case and the defensive policy.