unity_particle_set_main

Configure the main module of a Particle System: duration, lifetime, speed, size, gravity, simulation space.

SERVERUnity MCP Server SOURCEanklebreaker-studio/unity-mcp-server

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/anklebreaker-studio-unity-mcp-server/unity-particle-set-main.md

WHAT IT DOES

What unity_particle_set_main does on Unity MCP Server

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

RISK

Why unity_particle_set_main is rated Medium

This tool modifies properties of an existing Particle System component in Unity. It writes/updates configuration values (duration, lifetime, speed, size, gravity, simulation space) but does not delete anything or execute arbitrary code, making Write the appropriate category. Misuse could corrupt scene assets but is generally reversible through Unity's undo system.

From the tool's definition Configure the main module of a Particle System: duration, lifetime, speed, size, gravity, simulation space.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs unity_particle_set_main safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Unity MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For unity_particle_set_main, this is the rule to start with:

unity_particle_set_main Rate-limited

unity_particle_set_main 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": {
    "unity_particle_set_main": {
      "limits": [
        {
          "counter": "unity_particle_set_main_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 Unity MCP Server, apply this rule, and every unity_particle_set_main call is checked against it from then on.

FAQ

Questions about unity_particle_set_main

What does the unity_particle_set_main tool do? +

Configure the main module of a Particle System: duration, lifetime, speed, size, gravity, simulation space. It is categorised as a Write tool in the Unity 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 unity_particle_set_main? +

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

What risk level is unity_particle_set_main? +

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

Can I rate-limit unity_particle_set_main? +

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

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

unity_particle_set_main is provided by the Unity MCP Server MCP server (anklebreaker-studio/unity-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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