material_create_preset

A write tool on the Blender Copilot MCP server.

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-create-preset.md

WHAT IT DOES

What material_create_preset does on Blender Copilot MCP Server

AI agents use material_create_preset 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_create_preset is rated Medium

The 'create' verb establishes this as a Write operation—it generates new material presets in Blender, modifying project state reversibly. Severity is medium because misuse could clutter a scene or waste resources, but changes are undoable via undo/version control. Confidence is lowered due to empty description, which prevents confirmation of exact scope and side effects.

From the tool's definition Tool name 'material_create_preset' with 'create' verb indicates data creation. Description is empty, limiting certainty.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

material_create_preset Rate-limited

material_create_preset 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_create_preset": {
      "limits": [
        {
          "counter": "material_create_preset_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_create_preset call is checked against it from then on.

FAQ

Questions about material_create_preset

What does the material_create_preset tool do? +

material_create_preset is a write tool on the Blender Copilot MCP Server MCP server. 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_create_preset? +

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

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

Can I rate-limit material_create_preset? +

Yes. Add a rate_limit block to the material_create_preset 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_create_preset completely? +

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

material_create_preset 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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