rhino_loft

Loft a sequence of profile curves into a surface.

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-loft.md

WHAT IT DOES

What rhino_loft does on Rhino

AI agents use rhino_loft 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_loft is rated Medium

This tool creates new geometry (a lofted surface) in the Rhino environment, which is a Write operation — it modifies the model state by adding data. It is not Read (no querying), Execute (no arbitrary code/commands), Destructive (lofting does not delete or overwrite existing geometry), Financial, or Other.

From the tool's definition Tool performs 'loft a sequence of profile curves into a surface' — creates a new geometric surface object in Rhino that did not exist before.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs rhino_loft 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_loft, this is the rule to start with:

rhino_loft Rate-limited

rhino_loft 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_loft": {
      "limits": [
        {
          "counter": "rhino_loft_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_loft call is checked against it from then on.

FAQ

Questions about rhino_loft

What does the rhino_loft tool do? +

Loft a sequence of profile curves into a surface. 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_loft? +

Register the Rhino MCP server in PolicyLayer and add a rule for rhino_loft: 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_loft? +

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

Can I rate-limit rhino_loft? +

Yes. Add a rate_limit block to the rhino_loft 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_loft completely? +

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

rhino_loft 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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