AI agents call delete_layer to permanently remove resources in GOLEM-3DMCP-Rhino- — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
This tool permanently removes a layer from a Rhino document. Deletion operations are irreversible and cannot be undone programmatically through the API. In the context of a 3D modeling document, deleting a layer could remove all geometry contained within it, representing loss of work.
From the tool's definition Tool name 'delete_layer' combined with description 'Delete a layer from the document' explicitly performs an irreversible deletion operation.
Documented attack patterns abuse exactly the kind of access delete_layer gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and GOLEM-3DMCP-Rhino-, and nothing reaches the server without passing your rules. This is the rule we recommend for delete_layer:
{
"version": "1",
"default": "deny",
"hide": [
"delete_layer"
]
}delete_layer disappears from the agent's tool list entirely, and any attempt to call it is denied. The rest of the server keeps working.
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Delete a layer from the document. It is categorised as a Destructive tool in the GOLEM-3DMCP-Rhino- MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the GOLEM-3DMCP-Rhino- MCP server in PolicyLayer and add a rule for delete_layer: 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 GOLEM-3DMCP-Rhino-. Nothing to install.
delete_layer is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the delete_layer 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.
Set action: deny in the PolicyLayer policy for delete_layer. 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.
delete_layer is provided by the GOLEM-3DMCP-Rhino- MCP server (thekinghippopotamus/golem-3dmcp-rhino-). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from GOLEM-3DMCP-Rhino-, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
89 GOLEM-3DMCP-Rhino- tools catalogued and risk-classified — across an index of 43,000+ MCP servers.