rhino_nurbs_curve

What rhino_nurbs_curve does on Rhino

AI agents use rhino_nurbs_curve to create or update resources in Rhino, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Rhino environment.

Why rhino_nurbs_curve is rated Medium

This tool creates new geometric objects (NURBS curves) in the Rhino 3D environment, which constitutes data creation. While the action is reversible (unlike Destructive), it modifies the state of the Rhino document. The severity is medium because misuse by an agent could create unwanted geometry cluttering the model, but the impact is limited in scope compared to destructive operations.

From the tool's definition Tool description states 'Add a NURBS curve' - the verb 'Add' indicates creation of new geometry data in Rhino. This is a reversible modification operation (curves can be deleted/modified later), not a destructive or read-only operation.

The rule that runs rhino_nurbs_curve 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_nurbs_curve, this is the rule to start with:

{
  "version": "1",
  "default": "deny",
  "tools": {
    "rhino_nurbs_curve": {
      "limits": [
        {
          "counter": "rhino_nurbs_curve_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

Questions about rhino_nurbs_curve