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10 stars 3 forks Качество 70 Тренд 8MIT
Repository Install

An MCP server that lets AI assistants read, inspect, and manipulate [OpenUSD](https://openusd.org) scenes.

Обзор

An MCP server that lets AI assistants read, inspect, and manipulate OpenUSD scenes. — interactive 3D viewer with variant switching Connect this MCP server to Claude, ChatGPT, Cursor, or any MCP-compatible client. Your AI assistant can then work directly with .usda, .usdc, and .usdz files — inspecting scene graphs, querying properties, exporting meshes, and switching variants. Then try it with the included example scenes: *"Inspect the scene graph of examples/desk_setup.usda and describe what's on the desk."* *"What color options does the product in examples/product_configurator.usda have? Switch it to gold."* The server communicates over stdin/stdout using the MCP protocol. The repo includes two example scenes that exercise all 8 tools.

README

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openusd-mcp

An MCP server that lets AI assistants read, inspect, and manipulate OpenUSD scenes.

Live Demo — interactive 3D viewer with variant switching

pip install openusd-mcp

What it does

Connect this MCP server to Claude, ChatGPT, Cursor, or any MCP-compatible client. Your AI assistant can then work directly with .usda, .usdc, and .usdz files — inspecting scene graphs, querying properties, exporting meshes, and switching variants.

Tools

Tool Description
usd_inspect Read the scene graph — list all prims, types, hierarchy
usd_get_prim Get detailed properties, attributes, and metadata for a specific prim
usd_get_materials List all materials and their shader parameters
usd_get_transforms Get world-space transforms for prims
usd_list_variants List all variant sets and their options
usd_set_variant Switch a variant selection
usd_export_mesh Export a mesh prim as STL or OBJ
usd_scene_stats Get scene statistics — prim count, mesh count, material count, bounding box

Quick start

With Claude Desktop

Add to your claude_desktop_config.json:

{
  "mcpServers": {
    "openusd": {
      "command": "openusd-mcp",
      "args": []
    }
  }
}

Then try it with the included example scenes:

“Inspect the scene graph of examples/desk_setup.usda and describe what’s on the desk.”

“What color options does the product in examples/product_configurator.usda have? Switch it to gold.”

With any MCP client

openusd-mcp --stdio

The server communicates over stdin/stdout using the MCP protocol.

Examples

The repo includes two example scenes that exercise all 8 tools.

Desk setup — scene inspection

A desk with a table, monitor, keyboard, and mug. 5 PBR materials (wood, metal, screen, ceramic, dark plastic), 10 meshes, real-world dimensions.

You: What's in examples/desk_setup.usda?

Claude: A desk scene with 25 prims, 10 meshes, 5 materials:

  /Desk (Xform)
    /Desk/Table/Top (Mesh) — Wood, 120×60×3 cm
    /Desk/Table/Leg1..4 (Mesh) — Metal
    /Desk/Monitor/Screen (Mesh) — dark glossy
    /Desk/Monitor/Stand (Mesh) — Metal
    /Desk/Monitor/Base (Mesh) — Metal
    /Desk/Keyboard (Mesh) — DarkPlastic
    /Desk/Mug/Body (Mesh) — Ceramic

  Bounds: 1200 × 835 × 1250 mm

You: Export the tabletop as STL

Claude: Exported /Desk/Table/Top to tabletop.stl (12 triangles, 684 bytes)

Product configurator — variant switching

A device with 3 variant sets: size (small, medium, large), color (midnight, silver, gold, red), and finish (matte, satin, glossy).

You: What configuration options does examples/product_configurator.usda have?

Claude: The product at /Product has 3 variant sets:

  size:   small | medium* | large
  color:  midnight* | silver | gold | red
Открыть полный README на GitHub

Установка

This server does not publish a one-line install command.

Open the repository installation guide Новичок в MCP? Начните с руководства на mcpskill.org →

Конфигурация

{ "mcpServers": { "openusd": { "command": "openusd-mcp", "args": [] } } }