create_shared_memory_bridge

Create a Shared Memory In/Out TOP/CHOP for zero-copy IPC with another app on the same host (Notch, Unity, Unreal, custom tools). Pick direction (

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-shared-memory-bridge.md

WHAT IT DOES

What create_shared_memory_bridge does on tdmcp — TouchDesigner MCP server

AI agents use create_shared_memory_bridge 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_shared_memory_bridge is rated Medium

This tool creates shared memory bridge objects (nodes/operators) in TouchDesigner to enable inter-process communication. It is a Write operation because it creates new data pathways/nodes. The severity is medium because misconfiguration could expose shared memory to unintended processes or disrupt IPC with connected applications, but it doesn't directly execute arbitrary code or destroy data.

From the tool's definition Create a Shared Memory In/Out TOP/CHOP for zero-copy IPC with another app

Attacks that exploit this kind of access

RECOMMENDED RULE

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

create_shared_memory_bridge Rate-limited

create_shared_memory_bridge 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_shared_memory_bridge": {
      "limits": [
        {
          "counter": "create_shared_memory_bridge_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_shared_memory_bridge call is checked against it from then on.

FAQ

Questions about create_shared_memory_bridge

What does the create_shared_memory_bridge tool do? +

Create a Shared Memory In/Out TOP/CHOP for zero-copy IPC with another app on the same host (Notch, Unity, Unreal, custom tools). Pick direction (. 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_shared_memory_bridge? +

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

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

Can I rate-limit create_shared_memory_bridge? +

Yes. Add a rate_limit block to the create_shared_memory_bridge 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_shared_memory_bridge completely? +

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

create_shared_memory_bridge 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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