rhino_layer_delete

Delete a layer by name (in standalone mode the layer is hidden + name-prefixed).

SERVERRhino SOURCEeasehee/rhino-mcp

Critical RISK CLASS

Category Destructive

Parameters 00 required

Recommended Hiddensee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/easehee-rhino-mcp/rhino-layer-delete.md

WHAT IT DOES

What rhino_layer_delete does on Rhino

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

RISK

Why rhino_layer_delete is rated Critical

This tool irreversibly deletes or hides layers in Rhino, a destructive operation that cannot be undone without undo-stack availability. An AI agent with unsupervised access could permanently remove important design layers, losing work. This is more severe than Write (reversible changes) and meets Destructive criteria: deletion of named objects that users cannot easily recover.

From the tool's definition Tool name 'rhino_layer_delete' explicitly uses 'delete' verb; description states 'Delete a layer by name', confirming irreversible removal of data structure (or permanent hiding in standalone mode with name prefix, making layer inaccessible).

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs rhino_layer_delete safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Rhino, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For rhino_layer_delete, this is the rule to start with:

rhino_layer_delete Hidden

rhino_layer_delete is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "hide": [
    "rhino_layer_delete"
  ]
}

RESTRICT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Rhino, apply this rule, and every rhino_layer_delete call is checked against it from then on.

FAQ

Questions about rhino_layer_delete

What does the rhino_layer_delete tool do? +

Delete a layer by name (in standalone mode the layer is hidden + name-prefixed). It is categorised as a Destructive tool in the Rhino 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 rhino_layer_delete? +

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

What risk level is rhino_layer_delete? +

rhino_layer_delete 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 rhino_layer_delete? +

Yes. Add a rate_limit block to the rhino_layer_delete 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 rhino_layer_delete completely? +

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

rhino_layer_delete is provided by the Rhino MCP server (easehee/rhino-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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