download_polyhaven_asset

Download and import a PolyHaven asset into Blender.

SERVERBlender Copilot MCP Server SOURCEdwgx/blender-copilot

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/dwgx-blender-copilot/download-polyhaven-asset.md

WHAT IT DOES

What download_polyhaven_asset does on Blender Copilot MCP Server

AI agents use download_polyhaven_asset to create or update resources in Blender Copilot MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Blender Copilot MCP Server environment.

RISK

Why download_polyhaven_asset is rated Medium

This tool fetches an external asset from PolyHaven and imports it into the Blender scene, which is a write operation (creating/adding new data to the scene). It does not delete or overwrite existing data, execute arbitrary code, or move money.

From the tool's definition Download and import a PolyHaven asset into Blender

Attacks that exploit this kind of access

RECOMMENDED RULE

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

download_polyhaven_asset Rate-limited

download_polyhaven_asset 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": {
    "download_polyhaven_asset": {
      "limits": [
        {
          "counter": "download_polyhaven_asset_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 Blender Copilot MCP Server, apply this rule, and every download_polyhaven_asset call is checked against it from then on.

FAQ

Questions about download_polyhaven_asset

What does the download_polyhaven_asset tool do? +

Download and import a PolyHaven asset into Blender. It is categorised as a Write tool in the Blender Copilot MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on download_polyhaven_asset? +

Register the Blender Copilot MCP Server MCP server in PolicyLayer and add a rule for download_polyhaven_asset: 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 download_polyhaven_asset? +

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

Can I rate-limit download_polyhaven_asset? +

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

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

download_polyhaven_asset 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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