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TouchDesigner

Drive a live TouchDesigner session through the twozero MCP server (Streamable HTTP on 127.0.0.1:40404), with the touchdesigner-mcp workflow skill bundled. Portable Agent Plugins v1 package (mcp.json + skills/); TouchDesigner itself runs on macOS/Windows.

NousResearch592ToolsUpdated 24 days ago

About

Drive a live TouchDesigner session through the twozero MCP server (Streamable HTTP on 127.0.0.1:40404), with the touchdesigner-mcp workflow skill bundled. Portable Agent Plugins v1 package (mcp.json + skills/); TouchDesigner itself runs on macOS/Windows.

hermes-plugin-touchdesigner

Part of Hermes Official Plugins, Nous Research's official plugins for Hermes Agent. Formerly NousResearch/hermes-plugin-touchdesigner, which is archived; this directory carries its full history.

Drive a live TouchDesigner session from Hermes Agent
through 404.zero's free twozero plugin, which embeds an MCP server inside
the running TouchDesigner process (Streamable HTTP on 127.0.0.1:40404).

This is a portable Agent Plugins v1 package. It
ships two things in one install:

  • mcp.json — the twozero MCP server entry (td), registered for every
    session while the plugin is enabled. No mcp_servers edits in config.yaml.
  • skills/touchdesigner-mcp/ — the workflow skill: critical rules, discovery
    steps, 20+ reference files (operators, GLSL, audio-reactive, instancing,
    pitfalls), and a scripts/setup.sh health check.

Install

hermes plugins install touchdesigner     # catalog name
hermes plugins enable td                 # manifest name (kept short: see below)

Then, once per machine, inside TouchDesigner (2025.32280+, Windows/macOS):

  1. Download https://www.404zero.com/pisang/twozero.tox
  2. Drag twozero.tox into the TD network editor and click Install.
  3. twozero icon → Settings → mcp → "auto start MCP" → Yes.

Start TD first, then a new Hermes session. The skill is available as
agent-plugin-td-<hash>:touchdesigner-mcp via skill_view (skills_list shows the exact name); health check:

curl -s http://127.0.0.1:40404/mcp

Why the manifest name is td

Hermes registers portable MCP tools as
mcp__agent_plugin_<name>_<hash>__<server>__<tool>. twozero's longest tool
name (td_screen_point_to_global) plus a touchdesigner namespace lands at
71 characters, past the 64-character function-name cap on OpenAI-compatible
and Bedrock wire formats. td keeps every tool name at or under 60.

Security notes

  • td_execute_python runs arbitrary Python inside TouchDesigner with no
    sandbox — the same trust level as the terminal tool. The hub is
    localhost-only and unauthenticated.
  • All 36 twozero tools register. The desktop input-automation tools
    (td_input_*, td_click_screen_point, td_get_screen_screenshot, ...) and
    admin tools (td_project_quit, td_test_session — which exports transcripts
    to the vendor hub) are documented in the skill as opt-in: the agent is told
    to use them only on explicit request.
  • Nothing in this package phones home. The only network access is the local
    MCP endpoint and the optional twozero.tox download in setup.sh.

Migrating from the bundled skill

Earlier Hermes versions shipped touchdesigner-mcp as an optional skill whose
setup.sh wrote a twozero_td entry into mcp_servers. Remove that entry (or
a touchdesigner one written by hermes mcp install) so the server is not
loaded twice.

Credits

Skill authored by @kshitijk4poor; twozero
by 404.zero. MIT.

README from the reviewed commit abec9e8; it updates when the author re-pins.

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