rhino_array_linear

Array objects along a vector with constant spacing.

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-array-linear.md

WHAT IT DOES

What rhino_array_linear does on Rhino

AI agents use rhino_array_linear 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_array_linear is rated Medium

This tool creates new geometry objects through array operations, which is a reversible modification to the Rhino model. It does not execute arbitrary code, delete data irreversibly, or move money. While it modifies the CAD model state, the operation is undoable in Rhino's standard workflow.

From the tool's definition Tool description states it 'Array objects along a vector with constant spacing', which creates multiple copies of geometry objects in Rhino. The sibling tool 'gh_bake_to_rhino' confirms this server modifies Rhino's model state.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs rhino_array_linear 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_array_linear, this is the rule to start with:

rhino_array_linear Rate-limited

rhino_array_linear 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_array_linear": {
      "limits": [
        {
          "counter": "rhino_array_linear_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_array_linear call is checked against it from then on.

FAQ

Questions about rhino_array_linear

What does the rhino_array_linear tool do? +

Array objects along a vector with constant spacing. 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_array_linear? +

Register the Rhino MCP server in PolicyLayer and add a rule for rhino_array_linear: 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_array_linear? +

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

Can I rate-limit rhino_array_linear? +

Yes. Add a rate_limit block to the rhino_array_linear 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_array_linear completely? +

Set action: deny in the PolicyLayer policy for rhino_array_linear. 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_array_linear? +

rhino_array_linear 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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