scene_set_units

Set scene unit system.

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/scene-set-units.md

WHAT IT DOES

What scene_set_units does on Blender Copilot MCP Server

AI agents use scene_set_units 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 scene_set_units is rated Medium

This tool modifies scene-level configuration (unit system) which affects how the entire 3D scene is interpreted and rendered. While reversible (units can be changed again), it impacts downstream work and could cause dimension misinterpretation if applied inappropriately by an agent.

From the tool's definition Tool name 'scene_set_units' and description 'Set scene unit system' indicate modification of scene configuration. The verb 'set' combined with 'scene' parameters shows this creates/modifies scene properties.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

scene_set_units Rate-limited

scene_set_units 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": {
    "scene_set_units": {
      "limits": [
        {
          "counter": "scene_set_units_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 scene_set_units call is checked against it from then on.

FAQ

Questions about scene_set_units

What does the scene_set_units tool do? +

Set scene unit system. 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 scene_set_units? +

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

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

Can I rate-limit scene_set_units? +

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

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

scene_set_units 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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