create_npr_filter

Apply a non-photorealistic painterly filter to an existing TOP. A generalized Kuwahara (sector-based local variance smoothing) runs in a single GLSL TOP and branches into three looks selected by

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-npr-filter.md

WHAT IT DOES

What create_npr_filter does on tdmcp — TouchDesigner MCP server

AI agents use create_npr_filter 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_npr_filter is rated Medium

This tool modifies data (visual/image content) by applying a filter effect, which is a reversible transformation. It does not delete, destroy, or execute arbitrary code—it renders a specific visual effect. This fits the Write category: creates or modifies data reversibly.

From the tool's definition "Apply a non-photorealistic painterly filter to an existing TOP" and "runs in a single GLSL TOP" indicate the tool modifies visual data in TouchDesigner (applies a filter/shader transformation to a TOP node), creating a new visual state.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_npr_filter 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_npr_filter, this is the rule to start with:

create_npr_filter Rate-limited

create_npr_filter 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_npr_filter": {
      "limits": [
        {
          "counter": "create_npr_filter_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_npr_filter call is checked against it from then on.

FAQ

Questions about create_npr_filter

What does the create_npr_filter tool do? +

Apply a non-photorealistic painterly filter to an existing TOP. A generalized Kuwahara (sector-based local variance smoothing) runs in a single GLSL TOP and branches into three looks selected by. 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_npr_filter? +

Register the tdmcp — TouchDesigner MCP server MCP server in PolicyLayer and add a rule for create_npr_filter: 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_npr_filter? +

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

Can I rate-limit create_npr_filter? +

Yes. Add a rate_limit block to the create_npr_filter 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_npr_filter completely? +

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

create_npr_filter 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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