set_dat_content

Overwrite a Text or Table DAT

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/set-dat-content.md

WHAT IT DOES

What set_dat_content does on tdmcp — TouchDesigner MCP server

AI agents use set_dat_content 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 set_dat_content is rated Medium

This tool creates or modifies data reversibly by replacing the contents of data objects (DATs) in TouchDesigner. While 'overwrite' sounds severe, it is not irreversible in the context of a design tool with undo/redo capabilities. However, the blast radius is high because an AI agent given incorrect parameters could silently corrupt important data structures, break project dependencies, or lose unsaved work.

From the tool's definition Tool description explicitly states 'Overwrite a Text or Table DAT' — this modifies existing data structures within a TouchDesigner project.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

set_dat_content Rate-limited

set_dat_content 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_dat_content": {
      "limits": [
        {
          "counter": "set_dat_content_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 set_dat_content call is checked against it from then on.

FAQ

Questions about set_dat_content

What does the set_dat_content tool do? +

Overwrite a Text or Table DAT. 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 set_dat_content? +

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

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

Can I rate-limit set_dat_content? +

Yes. Add a rate_limit block to the set_dat_content 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_dat_content completely? +

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

set_dat_content 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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