set_fog

Add volumetric fog to the world. Density controls thickness.

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/set-fog.md

WHAT IT DOES

What set_fog does on Blender Copilot MCP Server

AI agents use set_fog 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 set_fog is rated Medium

This tool creates or adds a volumetric fog element to a Blender scene, which is a reversible modification of scene state (can be undone or removed). It does not execute arbitrary code, delete data irreversibly, or trigger financial transactions. The effect is additive and can be undone in Blender's undo system.

From the tool's definition Tool description states 'Add volumetric fog to the world' which modifies scene properties by introducing a new volumetric effect. The density parameter allows configuration of this visual effect.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

set_fog Rate-limited

set_fog 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": {
    "set_fog": {
      "limits": [
        {
          "counter": "set_fog_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 set_fog call is checked against it from then on.

FAQ

Questions about set_fog

What does the set_fog tool do? +

Add volumetric fog to the world. Density controls thickness. 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 set_fog? +

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

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

Can I rate-limit set_fog? +

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

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

set_fog 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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