create_particle_system

Build a CPU particle system: an emitter SOP feeds a Particle SOP inside a Geometry COMP, rendered with a camera + light. Creates a new baseCOMP under

SERVERAos SOURCE@hybridlabor-api/aos

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/hybridlabor-api-aos/create-particle-system.md

WHAT IT DOES

What create_particle_system does on Aos

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

RISK

Why create_particle_system is rated Medium

This tool creates new visual/particle system objects in TouchDesigner (emitter SOP, Particle SOP, Geometry COMP, camera, light setup). This is a Write operation: it modifies the project by adding new reversible components. While it affects the visual state, changes are not destructive (components can be deleted/undone).

From the tool's definition Tool description uses 'Build', 'Creates a new baseCOMP' — indicates creation of new TouchDesigner components and particle system structures within a project.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_particle_system safely

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

create_particle_system Rate-limited

create_particle_system 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": {
    "create_particle_system": {
      "limits": [
        {
          "counter": "create_particle_system_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 Aos, apply this rule, and every create_particle_system call is checked against it from then on.

FAQ

Questions about create_particle_system

What does the create_particle_system tool do? +

Build a CPU particle system: an emitter SOP feeds a Particle SOP inside a Geometry COMP, rendered with a camera + light. Creates a new baseCOMP under. It is categorised as a Write tool in the Aos MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create_particle_system? +

Register the Aos MCP server in PolicyLayer and add a rule for create_particle_system: 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 Aos. Nothing to install.

What risk level is create_particle_system? +

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

Can I rate-limit create_particle_system? +

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

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

create_particle_system is provided by the Aos MCP server (@hybridlabor-api/aos). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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