create_raymarch_scene

SERVERtdmcp — TouchDesigner MCP server SOURCE@dpantani/tdmcp

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/io-github-pantani-tdmcp/create-raymarch-scene.md

WHAT IT DOES

What create_raymarch_scene does on tdmcp — TouchDesigner MCP server

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

RISK

Why create_raymarch_scene is rated Medium

This tool creates new nodes/operators in TouchDesigner (instantiation of a GLSL TOP with controls), which is a reversible write/create operation. It does not delete anything, execute arbitrary code beyond creating a predefined scene, or involve financial transactions. Severity is medium because it modifies the project state by adding components, though the blast radius is limited to the TouchDesigner project.

From the tool's definition Instantiate a self-contained GLSL TOP raymarcher... Exposes live CameraZ / Speed / StepCount / Intensity / ColorA / ColorB controls and previews the output TOP

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_raymarch_scene safely

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

create_raymarch_scene Rate-limited

create_raymarch_scene 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_raymarch_scene": {
      "limits": [
        {
          "counter": "create_raymarch_scene_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 tdmcp — TouchDesigner MCP server, apply this rule, and every create_raymarch_scene call is checked against it from then on.

FAQ

Questions about create_raymarch_scene

What does the create_raymarch_scene tool do? +

Instantiate a self-contained GLSL TOP raymarcher (volumetric / signed-distance-field) — the 3D complement to create_shader_lib. Scenes: sphere_field (repeated spheres), menger (Menger-sponge fractal), tunnel (twisting tunnel). Exposes live CameraZ / Speed / StepCount / Intensity / ColorA / ColorB controls and previews the output TOP. It is categorised as a Write tool in the tdmcp — TouchDesigner 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 create_raymarch_scene? +

Register the tdmcp — TouchDesigner MCP server MCP server in PolicyLayer and add a rule for create_raymarch_scene: 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 tdmcp — TouchDesigner MCP server. Nothing to install.

What risk level is create_raymarch_scene? +

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

Can I rate-limit create_raymarch_scene? +

Yes. Add a rate_limit block to the create_raymarch_scene 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_raymarch_scene completely? +

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

create_raymarch_scene is provided by the tdmcp — TouchDesigner MCP server MCP server (@dpantani/tdmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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