setEnvironment · Maige 3d MCP: Risk & Policy

WHAT IT DOES

What setEnvironment does on Maige 3d

AI agents use setEnvironment to create or update resources in Maige 3d — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Maige 3d environment.

WHY IT NEEDS A POLICY

Why setEnvironment needs a policy

The tool modifies scene configuration parameters (background, fog, tone mapping, shadows, post-processing) but does not execute arbitrary code, delete data, or trigger financial transactions. Changes to environmental properties are reversible and do not permanently destroy data.

From the tool's definition Tool description states it "Configure[s] the scene environment: background, fog, tone mapping, shadows, and post-processing effects" — these are reversible modifications to scene state, not destructive deletions.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

setEnvironment Rate-limited

setEnvironment 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": {
    "setEnvironment": {
      "limits": [
        {
          "counter": "setenvironment_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Maige 3d, so you can run agents against it safely.

FAQ

Questions about setEnvironment

What does the setEnvironment tool do? +

Configure the scene environment: background, fog, tone mapping, shadows, and post-processing effects. It is categorised as a Write tool in the Maige 3d MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on setEnvironment? +

Register the Maige 3d MCP server in PolicyLayer and add a rule for setEnvironment: 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 Maige 3d. Nothing to install.

What risk level is setEnvironment? +

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

Can I rate-limit setEnvironment? +

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

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

setEnvironment is provided by the Maige 3d MCP server (m-ai-gexr/mcp-webgpu). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.