set_particle_material · Godot MCP Server MCP: Risk & Policy

WHAT IT DOES

What set_particle_material does on Godot MCP Server

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

WHY IT NEEDS A POLICY

Why set_particle_material needs a policy

This tool creates or modifies particle material properties within the Godot editor scene, which is a reversible write operation. It does not execute arbitrary code, delete data, or move money. The severity is medium because incorrect material settings could affect game rendering behavior, but the change is easily undone by setting different properties.

From the tool's definition Tool name 'set_particle_material' and description 'Set the process material properties on a particle node' indicate modification of existing particle node properties.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

set_particle_material Rate-limited

set_particle_material 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_particle_material": {
      "limits": [
        {
          "counter": "set_particle_material_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 Godot MCP Server, so you can run agents against it safely.

FAQ

Questions about set_particle_material

What does the set_particle_material tool do? +

Set the process material properties on a particle node. It is categorised as a Write tool in the Godot 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_particle_material? +

Register the Godot MCP Server MCP server in PolicyLayer and add a rule for set_particle_material: 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 Godot MCP Server. Nothing to install.

What risk level is set_particle_material? +

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

Can I rate-limit set_particle_material? +

Yes. Add a rate_limit block to the set_particle_material 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_particle_material completely? +

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

set_particle_material is provided by the Godot MCP Server MCP server (neondeex/godotmcp-pro-free-client). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.