rhino_material_preset_list

List physical-material presets bundled with rhino-mcp.

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-material-preset-list.md

WHAT IT DOES

What rhino_material_preset_list does on Rhino

AI agents call rhino_material_preset_list 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_material_preset_list is rated Low

This tool retrieves and enumerates existing material presets from the Rhino environment. It performs no modifications, deletions, executions, or financial operations. Misuse by an AI agent would at most result in unwanted information disclosure, which is a minimal risk. The tool is purely informational.

From the tool's definition Tool name and description both indicate retrieval only: 'List physical-material presets bundled with rhino-mcp.' The verb 'List' is a query operation with no side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs rhino_material_preset_list 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_material_preset_list, this is the rule to start with:

rhino_material_preset_list Allowed

rhino_material_preset_list 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_material_preset_list": {}
  }
}

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_material_preset_list call is checked against it from then on.

FAQ

Questions about rhino_material_preset_list

What does the rhino_material_preset_list tool do? +

List physical-material presets bundled with rhino-mcp. 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_material_preset_list? +

Register the Rhino MCP server in PolicyLayer and add a rule for rhino_material_preset_list: 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_material_preset_list? +

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

Can I rate-limit rhino_material_preset_list? +

Yes. Add a rate_limit block to the rhino_material_preset_list 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_material_preset_list completely? +

Set action: deny in the PolicyLayer policy for rhino_material_preset_list. 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_material_preset_list? +

rhino_material_preset_list 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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