Critical Risk →

delete_template

Delete a template. Args: template_id: Template ID to delete user_id: Optional user ID (admin only) Returns: Deletion result

How to control delete_template ↓

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

Critical Risk

This tool permanently removes a template from the Ludus cyber range system. Templates are likely foundational artifacts used to configure and deploy scenarios; their deletion is irreversible and could disrupt ongoing security testing, research, or training operations. The optional admin-only user_id parameter suggests access controls exist, but the core operation remains destructive.

From the tool's definition Tool name is 'delete_template' and description states 'Delete a template.' The verb 'delete' combined with the operation of removing a template irreversibly indicates a destructive action that cannot be undone.

Risk signalsAdmin/system-level operation

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

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

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

delete_template 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 Ludus FastMCP — 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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Go deeper

What does the delete_template tool do? +

Delete a template. Args: template_id: Template ID to delete user_id: Optional user ID (admin only) Returns: Deletion result. It is categorised as a Destructive tool in the Ludus FastMCP 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_template? +

Register the Ludus Fast MCP server in PolicyLayer and add a rule for delete_template: 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 Ludus FastMCP. Nothing to install.

What risk level is delete_template? +

delete_template 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_template? +

Yes. Add a rate_limit block to the delete_template 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_template completely? +

Set action: deny in the PolicyLayer policy for delete_template. 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_template? +

delete_template is provided by the Ludus Fast MCP server (tjnull/ludus-fastmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Ludus FastMCP tool call.

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201 Ludus FastMCP tools catalogued and risk-classified — across an index of 42,500+ MCP servers.

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