get_polyhaven_categories

Get categories for a PolyHaven asset type.

SERVERBlender Copilot MCP Server SOURCEdwgx/blender-copilot

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/dwgx-blender-copilot/get-polyhaven-categories.md

WHAT IT DOES

What get_polyhaven_categories does on Blender Copilot MCP Server

AI agents call get_polyhaven_categories to retrieve information from Blender Copilot MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why get_polyhaven_categories is rated Low

This tool queries and returns category data from PolyHaven (an external asset library), which is a read-only operation. No data is created, modified, deleted, or executed. The blast radius is minimal—an AI agent misusing this would at worst retrieve unwanted asset categories, causing no side effects.

From the tool's definition Tool name 'get_polyhaven_categories' and description 'Get categories for a PolyHaven asset type' indicate retrieval of metadata/classification information with no modification or execution.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_polyhaven_categories safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Blender Copilot MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_polyhaven_categories, this is the rule to start with:

get_polyhaven_categories Allowed

get_polyhaven_categories 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": {
    "get_polyhaven_categories": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Blender Copilot MCP Server, apply this rule, and every get_polyhaven_categories call is checked against it from then on.

FAQ

Questions about get_polyhaven_categories

What does the get_polyhaven_categories tool do? +

Get categories for a PolyHaven asset type. It is categorised as a Read tool in the Blender Copilot MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_polyhaven_categories? +

Register the Blender Copilot MCP Server MCP server in PolicyLayer and add a rule for get_polyhaven_categories: 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 Blender Copilot MCP Server. Nothing to install.

What risk level is get_polyhaven_categories? +

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

Can I rate-limit get_polyhaven_categories? +

Yes. Add a rate_limit block to the get_polyhaven_categories 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 get_polyhaven_categories completely? +

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

get_polyhaven_categories is provided by the Blender Copilot MCP Server MCP server (dwgx/blender-copilot). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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