rhino_surface_closest_point

Find the UV parameters and 3D point closest to a test point on a surface.

SERVERRhino SOURCEeasehee/rhino-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/easehee-rhino-mcp/rhino-surface-closest-point.md

WHAT IT DOES

What rhino_surface_closest_point does on Rhino

AI agents call rhino_surface_closest_point 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.

RISK

Why rhino_surface_closest_point is rated Low

This tool performs a geometric query — it computes the closest point on a surface to a given test point and returns UV parameters and a 3D coordinate. It reads/queries geometry data with no side effects, modifications, or destructive actions.

From the tool's definition Find the UV parameters and 3D point closest to a test point on a surface

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs rhino_surface_closest_point 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_surface_closest_point, this is the rule to start with:

rhino_surface_closest_point Allowed

rhino_surface_closest_point is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

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

ALLOW ONLY THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about rhino_surface_closest_point

What does the rhino_surface_closest_point tool do? +

Find the UV parameters and 3D point closest to a test point on a surface. It is categorised as a Read tool in the Rhino MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on rhino_surface_closest_point? +

Register the Rhino MCP server in PolicyLayer and add a rule for rhino_surface_closest_point: 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_surface_closest_point? +

rhino_surface_closest_point is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit rhino_surface_closest_point? +

Yes. Add a rate_limit block to the rhino_surface_closest_point 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_surface_closest_point completely? +

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

rhino_surface_closest_point 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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