extend_data_source_fabric

Adds extra transports to the data-source fabric beyond create_data_source:

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/extend-data-source-fabric.md

WHAT IT DOES

What extend_data_source_fabric does on tdmcp — TouchDesigner MCP server

AI agents use extend_data_source_fabric 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 extend_data_source_fabric is rated Medium

The tool adds/creates new transports to the data-source fabric, which is a write/create operation. It modifies the project's data fabric configuration reversibly. Confidence is moderate because the description is sparse and does not detail what 'transports' entails or whether side effects are irreversible.

From the tool's definition 'Adds extra transports to the data-source fabric beyond create_data_source'

Attacks that exploit this kind of access

RECOMMENDED RULE

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

extend_data_source_fabric Rate-limited

extend_data_source_fabric 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": {
    "extend_data_source_fabric": {
      "limits": [
        {
          "counter": "extend_data_source_fabric_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 extend_data_source_fabric call is checked against it from then on.

FAQ

Questions about extend_data_source_fabric

What does the extend_data_source_fabric tool do? +

Adds extra transports to the data-source fabric beyond create_data_source:. 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 extend_data_source_fabric? +

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

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

Can I rate-limit extend_data_source_fabric? +

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

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

extend_data_source_fabric 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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