Critical Risk →

delete_audience

Delete an audience by its ID.

Part of the Courier server.

delete_audience can permanently delete data in Courier, with no limits today. PolicyLayer puts allow, deny, and rate-limit rules on every call. Live in minutes.

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AI agents may call delete_audience to permanently remove or destroy resources in Courier. Without a policy, an autonomous agent could delete critical data in a loop with no way to undo the damage. PolicyLayer blocks destructive tools by default and requires explicit human approval before enabling them.

Without a policy, an AI agent could call delete_audience in a loop, permanently destroying resources in Courier. There is no undo for destructive operations. PolicyLayer blocks this tool by default and only allows it when a human explicitly approves the action.

Destructive tools permanently remove data. Block by default. Only enable with explicit approval workflows.

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

See the full Courier policy for all 123 tools.

Get this rule live on your own Courier server in minutes. PolicyLayer enforces it on every call, before it runs.

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View all 123 tools →

These attack patterns abuse exactly the kind of access delete_audience gives an agent. Each links to the full case and the policy that stops it:

Browse the full MCP Attack Database →

Every attack above starts with a tool call. PolicyLayer checks each one against your policy first, so delete_audience only ever does what you allow.

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Other destructive tools across the catalogue. The same approach applies to each: deny by default, or require human approval.

What does the delete_audience tool do? +

Delete an audience by its ID.. It is categorised as a Destructive tool in the Courier 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_audience? +

Register the Courier MCP server in PolicyLayer and add a rule for delete_audience: 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 Courier. Nothing to install.

What risk level is delete_audience? +

delete_audience 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_audience? +

Yes. Add a rate_limit block to the delete_audience 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_audience completely? +

Set action: deny in the PolicyLayer policy for delete_audience. 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_audience? +

delete_audience is provided by the Courier MCP server (https://mcp.courier.com). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Courier tool call.

Deterministic rules across all 123 Courier tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

Free to start. No card required.

4,600+ MCP servers and 31,000+ tools scanned and risk-classified.

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