rhino_volume

Compute the volume of a closed mesh (Brep volume requires bridge).

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-volume.md

WHAT IT DOES

What rhino_volume does on Rhino

AI agents call rhino_volume 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_volume is rated Low

This tool performs a read/query operation: it computes a numerical property (volume) of an existing geometry object. No data is created, modified, deleted, or executed. The description confirms it is a computation/analysis operation only.

From the tool's definition Compute the volume of a closed mesh — purely a geometric calculation with no side effects

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs rhino_volume 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_volume, this is the rule to start with:

rhino_volume Allowed

rhino_volume 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_volume": {}
  }
}

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_volume call is checked against it from then on.

FAQ

Questions about rhino_volume

What does the rhino_volume tool do? +

Compute the volume of a closed mesh (Brep volume requires bridge). 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_volume? +

Register the Rhino MCP server in PolicyLayer and add a rule for rhino_volume: 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_volume? +

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

Can I rate-limit rhino_volume? +

Yes. Add a rate_limit block to the rhino_volume 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_volume completely? +

Set action: deny in the PolicyLayer policy for rhino_volume. 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_volume? +

rhino_volume 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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