material_duplicate

Duplicate an existing material.

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/material-duplicate.md

WHAT IT DOES

What material_duplicate does on Blender Copilot MCP Server

AI agents use material_duplicate 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 material_duplicate is rated Medium

Duplicating a material creates new data in the Blender scene but does not delete, execute code, or cause irreversible changes. This is a standard write operation. Severity is medium because in a 3D modeling context, uncontrolled material duplication could clutter a scene or waste resources, but the impact is limited and the action is fully reversible by deletion.

From the tool's definition Tool name is 'material_duplicate' and description states it will 'Duplicate an existing material.' The action creates a copy of a material asset, which is reversible data modification.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

material_duplicate Rate-limited

material_duplicate 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": {
    "material_duplicate": {
      "limits": [
        {
          "counter": "material_duplicate_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 material_duplicate call is checked against it from then on.

FAQ

Questions about material_duplicate

What does the material_duplicate tool do? +

Duplicate an existing material. 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 material_duplicate? +

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

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

Can I rate-limit material_duplicate? +

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

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

material_duplicate 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.

KEEP EXPLORING

More on Blender Copilot MCP Server, and thousands of servers like it.

This server

All 307 Blender Copilot MCP Server tools →

Across the catalogue

The MCP Attack Database →

Guides

Govern customer-ops agents →Argument validation →Scoped token →