What is touchdesigner-mcp?

A connection between a coding agent and a running TouchDesigner application, a tool for building real-time interactive visuals. It can create and connect visual-processing nodes, change settings, run Python, and inspect errors through 36 tools.

Use it to build TouchDesigner networks, configure operators, connect visual processes, execute multi-step logic, inspect available parameters, and check errors.

It lets the agent operate a TouchDesigner project and diagnose problems through the application's integration instead of relying only on manual changes.

touchdesigner-mcp — Skill for Claude Code and Codex by kevinnft

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent

npx skills add kevinnft/ai-agent-skills --skill touchdesigner-mcp

Clone the repo

git clone --depth 1 https://github.com/kevinnft/ai-agent-skills

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

README.md

[![agentmods](https://agentmods.dev/badge/skills/kevinnft/ai-agent-skills/touchdesigner-mcp/github.svg)](https://agentmods.dev/skills/kevinnft/ai-agent-skills/touchdesigner-mcp)

Your own site

<a href="https://agentmods.dev/skills/kevinnft/ai-agent-skills/touchdesigner-mcp"><img src="https://agentmods.dev/badge/skills/kevinnft/ai-agent-skills/touchdesigner-mcp/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

Your own site · 80×15

<a href="https://agentmods.dev/skills/kevinnft/ai-agent-skills/touchdesigner-mcp"><img src="https://agentmods.dev/badge/skills/kevinnft/ai-agent-skills/touchdesigner-mcp.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 38 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 4,190 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.

Origin 92% copy Near-identical to another mod in the catalogue.

Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

Model	Per session	Once invoked
Fable 5.1	$0.00038	$0.04190
Opus 5	$0.00019	$0.02095
Sonnet 5	$0.00008	$0.00838
Haiku 4.5	$0.00004	$0.00419

Measured 11d ago against content hash c14fa51305a5, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

touchdesigner-mcp scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 11d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/setup.sh), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

This is a copy

92% identical to touchdesigner-mcp — 11 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

skills/creative/touchdesigner-mcp/SKILL.md · 360 lines

How it starts

The opening of the file, as written. The whole thing — 360 lines — stays where its author put it; the contents beside it link to each section on GitHub.

TouchDesigner Integration (twozero MCP)

CRITICAL RULES

NEVER guess parameter names. Call td_get_par_info for the op type FIRST. Your training data is wrong for TD 2025.32.
If tdAttributeError fires, STOP. Call td_get_operator_info on the failing node before continuing.
NEVER hardcode absolute paths in script callbacks. Use me.parent() / scriptOp.parent().
Prefer native MCP tools over td_execute_python. Use td_create_operator, td_set_operator_pars, td_get_errors etc. Only fall back to td_execute_python for complex multi-step logic.
Call td_get_hints before building. It returns patterns specific to the op type you're working with.

Architecture

Hermes Agent -> MCP (Streamable HTTP) -> twozero.tox (port 40404) -> TD Python

36 native tools. Free plugin (no payment/license — confirmed April 2026). Context-aware (knows selected OP, current network). Hub health check: GET http://localhost:40404/mcp returns JSON with instance PID, project name, TD version.

Setup (Automated)

Run the setup script to handle everything:

bash "${HERMES_HOME:-$HOME/.hermes}/skills/creative/touchdesigner-mcp/scripts/setup.sh"

The script will:

Check if TD is running
Download twozero.tox if not already cached
Add twozero_td MCP server to Hermes config (if missing)
Test the MCP connection on port 40404
Report what manual steps remain (drag .tox into TD, enable MCP toggle)

Manual steps (one-time, cannot be automated)

Drag ~/Downloads/twozero.tox into the TD network editor → click Install
Enable MCP: click twozero icon → Settings → mcp → "auto start MCP" → Yes
Restart Hermes session to pick up the new MCP server

After setup, verify:

nc -z 127.0.0.1 40404 && echo "twozero MCP: READY"

Environment Notes

Non-Commercial TD caps resolution at 1280×1280. Use outputresolution = 'custom' and set width/height explicitly.
Codecs: prores (preferred on macOS) or mjpa as fallback. H.264/H.265/AV1 require a Commercial license.
Always call td_get_par_info before setting params — names vary by TD version (see CRITICAL RULES #1).

Read the full file on GitHub · 360 lines

Files

What ships with it

22 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

11d ago First seen · 360 lines · 38 tokens per session scan A c14fa51305a5

Subscribe to this mod's changes

touchdesigner-mcp is a skill published in the GitHub repository kevinnft/ai-agent-skills (14 stars, last pushed 1mo ago), licensed MIT. It adds 38 tokens to every session and 4,190 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. It is 92% identical to touchdesigner-mcp, differing in 11 lines, and is treated as a copy.

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