multipass_3d_depth
Build a renderable 3D scene with depth cues that read on stage: a Geometry COMP holding the chosen primitive (sphere/box/torus/grid), a Camera, a Light, and a Render TOP beauty pass, output as a Null — like create_3d_scene but with an optional Screen-Space Ambient Occlusion (SSAO) pass for contac...
This record as markdown: /tools/io-github-pantani-tdmcp/multipass-3d-depth.md
What multipass_3d_depth does on tdmcp — TouchDesigner MCP server
AI agents use multipass_3d_depth 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.
Why multipass_3d_depth is rated Medium
This tool creates and wires together multiple TouchDesigner nodes (Geometry COMP, Camera, Light, Render TOP, SSAO TOP, Depth TOP, Null outputs) in a project network. It constructs/writes new nodes and connections into the TouchDesigner environment, which is a reversible write operation (nodes can be deleted). It does not execute arbitrary code, delete data, or involve financial transactions.
From the tool's definition Build a renderable 3D scene... a Geometry COMP holding the chosen primitive, a Camera, a Light, and a Render TOP beauty pass... an optional Screen-Space Ambient Occlusion (SSAO) pass... and an optional Depth TOP output
Attacks that exploit this kind of access
The rule that runs multipass_3d_depth 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 multipass_3d_depth, this is the rule to start with:
multipass_3d_depth 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.
The button opens the PolicyLayer dashboard: create your workspace, connect tdmcp — TouchDesigner MCP server, apply this rule, and every multipass_3d_depth call is checked against it from then on.
Questions about multipass_3d_depth
Build a renderable 3D scene with depth cues that read on stage: a Geometry COMP holding the chosen primitive (sphere/box/torus/grid), a Camera, a Light, and a Render TOP beauty pass, output as a Null — like create_3d_scene but with an optional Screen-Space Ambient Occlusion (SSAO) pass for contact shadows, and an optional Depth TOP output. The SSAO TOP is wired directly after the Render TOP (it needs the depth buffer — no TOP between them) and combined with the color. When expose_depth is on, a Depth TOP resolves the same render into a depth map exposed as a second Null (. 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.
Register the tdmcp — TouchDesigner MCP server MCP server in PolicyLayer and add a rule for multipass_3d_depth: 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.
multipass_3d_depth is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the multipass_3d_depth 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.
Set action: deny in the PolicyLayer policy for multipass_3d_depth. 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.
multipass_3d_depth 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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