rhino_get_control_points

What rhino_get_control_points does on Rhino

AI agents call rhino_get_control_points to retrieve information from Rhino without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Why rhino_get_control_points is rated Low

This tool retrieves geometric data (control points and weights) from existing NURBS objects in Rhino. It performs a query/fetch operation without creating, modifying, deleting, or executing external operations. The data returned is purely informational and does not alter the model state. This is a Read category tool with low severity since misuse would only expose geometric metadata without causing harm.

From the tool's definition Tool name is 'rhino_get_control_points' and description states it 'Get all control points (and weights) of a NURBS curve or surface' — this is a retrieval operation with no side effects.

The rule that runs rhino_get_control_points 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_get_control_points, this is the rule to start with:

{
  "version": "1",
  "default": "deny",
  "tools": {
    "rhino_get_control_points": {}
  }
}

Questions about rhino_get_control_points