create_object

Create a new 3D object in Blender. Supports: cube, sphere, cylinder, cone, plane, torus

SERVERBlenderMCP SOURCEaryeon0228/blendermcp

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/aryeon0228-blendermcp/create-object.md

WHAT IT DOES

What create_object does on BlenderMCP

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

RISK

Why create_object is rated Medium

This tool creates new 3D objects in Blender, which is a reversible Write operation. While it modifies the scene state, the created objects can be deleted or undone, making it Write rather than Destructive. The severity is medium because misuse could populate a scene with unwanted objects and waste computational resources during rendering, but the effects are easily reversible.

From the tool's definition 'Create a new 3D object in Blender' - the tool creates new data (3D objects) in Blender's scene that can be modified or deleted later

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_object safely

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

create_object Rate-limited

create_object 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": {
    "create_object": {
      "limits": [
        {
          "counter": "create_object_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 BlenderMCP, apply this rule, and every create_object call is checked against it from then on.

FAQ

Questions about create_object

What does the create_object tool do? +

Create a new 3D object in Blender. Supports: cube, sphere, cylinder, cone, plane, torus. It is categorised as a Write tool in the BlenderMCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create_object? +

Register the Blender MCP server in PolicyLayer and add a rule for create_object: 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 BlenderMCP. Nothing to install.

What risk level is create_object? +

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

Can I rate-limit create_object? +

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

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

create_object is provided by the Blender MCP server (aryeon0228/blendermcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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