Critical Risk →

delete_list

Delete a Marketing Campaigns contact list via DELETE /marketing/lists/{id}. Contacts are NOT deleted by default — set delete_contacts=true to also remove contacts that belong ONLY to this list.

How to control delete_list ↓

What delete_list does on Mcp Ap2

AI agents call delete_list to permanently remove resources in Mcp Ap2 — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.

Critical Risk

Why delete_list needs a policy

This tool permanently deletes marketing lists and optionally the contacts within them. Deletion is irreversible and represents data loss. While not financial in nature, it is destructive and ranks above Write/Execute. The high severity reflects that an errant agent invocation could eliminate important customer lists and contact data.

From the tool's definition 'Delete a Marketing Campaigns contact list via DELETE /marketing/lists/{id}' and option to 'also remove contacts that belong ONLY to this list' — irreversible deletion of data.

Documented attack patterns abuse exactly the kind of access delete_list gives an agent:

How to control delete_list

PolicyLayer is an MCP gateway — it sits between your AI agents and Mcp Ap2, and nothing reaches the server without passing your rules. This is the rule we recommend for delete_list:

policy.json
{
  "version": "1",
  "default": "deny",
  "hide": [
    "delete_list"
  ]
}

delete_list disappears from the agent's tool list entirely, and any attempt to call it is denied. The rest of the server keeps working.

  1. Create a free account and register Mcp Ap2 — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
RESTRICT THIS TOOL →

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Related tools and policies

Go deeper

Questions about delete_list

What does the delete_list tool do? +

Delete a Marketing Campaigns contact list via DELETE /marketing/lists/{id}. Contacts are NOT deleted by default — set delete_contacts=true to also remove contacts that belong ONLY to this list. It is categorised as a Destructive tool in the Mcp Ap2 MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on delete_list? +

Register the Mcp Ap2 MCP server in PolicyLayer and add a rule for delete_list: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Mcp Ap2. Nothing to install.

What risk level is delete_list? +

delete_list is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit delete_list? +

Yes. Add a rate_limit block to the delete_list rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block delete_list completely? +

Set action: deny in the PolicyLayer policy for delete_list. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides delete_list? +

delete_list is provided by the Mcp Ap2 MCP server (@codespar/mcp-ap2). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Mcp Ap2 tool call.

Start from Mcp Ap2, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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