rhino_dup_edge

Extract edge curves from a Brep (all or specific indices).

SERVERRhino SOURCEeasehee/rhino-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/easehee-rhino-mcp/rhino-dup-edge.md

WHAT IT DOES

What rhino_dup_edge does on Rhino

AI agents use rhino_dup_edge 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.

RISK

Why rhino_dup_edge is rated Medium

This tool extracts (duplicates) edge curves from an existing Brep geometry and creates new curve objects in the Rhino document. While it reads source geometry, it produces new geometry objects as output, making it a Write operation. It does not delete or irreversibly modify existing data, but it does add new objects to the scene.

From the tool's definition Extract edge curves from a Brep (all or specific indices)

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs rhino_dup_edge 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_dup_edge, this is the rule to start with:

rhino_dup_edge Rate-limited

rhino_dup_edge stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

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

LIMIT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about rhino_dup_edge

What does the rhino_dup_edge tool do? +

Extract edge curves from a Brep (all or specific indices). It is categorised as a Write tool in the Rhino MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on rhino_dup_edge? +

Register the Rhino MCP server in PolicyLayer and add a rule for rhino_dup_edge: 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_dup_edge? +

rhino_dup_edge is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit rhino_dup_edge? +

Yes. Add a rate_limit block to the rhino_dup_edge 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_dup_edge completely? +

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

rhino_dup_edge 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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