Critical-risk tools in Marketo MCP Server
50 of the 298 tools in Marketo 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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custom_cancel_lead_export_jobDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_delete_companiesDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_delete_custom_activity_typeDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_delete_custom_activity_type_attributesDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_delete_custom_object_typeDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_delete_custom_object_type_fieldsDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_delete_custom_objectsDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_delete_emailDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_delete_email_moduleDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_delete_email_templateDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_delete_email_template2Destructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_delete_email2Destructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_delete_folderDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_delete_formDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_delete_form_fieldDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_delete_form_fieldset_fieldDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_delete_fragmentDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_delete_landing_pageDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_delete_landing_page_content_sectionDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_delete_landing_page_templateDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_delete_leadsDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_delete_named_account_listsDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_delete_named_accountsDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_delete_opportunitiesDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_delete_opportunity_rolesDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_delete_programDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_delete_program_membersDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_delete_redirect_ruleDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_delete_sales_personsDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_delete_smart_campaignDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_delete_smart_listDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_delete_snippetDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_delete_static_listDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_delete_tokenDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_delete_userDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_delete_user_inviteDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_discard_custom_activity_type_draftDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_discard_custom_object_type_draftDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_discard_email_draftDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_discard_email_template_draftDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_discard_form_draftDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_discard_landing_page_draftDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_discard_landing_page_template_draftDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_discard_snippet_draftDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_remove_leads_from_listDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_remove_named_account_list_membersDestructive[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
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custom_remove_user_rolesDestructivecustom_remove_user_roles
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delete_programDestructiveDelete a program and all its child contents in Marketo.
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delete_smart_campaignDestructiveDelete a smart campaign in Marketo.
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delete_tokenDestructiveDelete a token from a folder or program in Marketo.
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.