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Model Lab

io.github.hpdkhoa/modellab-mcp ยท v0.2.0

Draws rigged game gun models in Blender from parameters, checked against the real gun

Source code Set it up

Connect Runs on your machine

Terminal
claude mcp add modellab-mcp -e MODELLAB_BLENDER=<MODELLAB_BLENDER> -e MODELLAB_OUT=<MODELLAB_OUT> -e MODELLAB_WAIT_FOR=<MODELLAB_WAIT_FOR> -- uvx modellab-mcp==0.2.0
claude_desktop_config.json
{
  "mcpServers": {
    "modellab-mcp": {
      "command": "uvx",
      "args": [
        "modellab-mcp==0.2.0"
      ],
      "env": {
        "MODELLAB_BLENDER": "<MODELLAB_BLENDER>",
        "MODELLAB_OUT": "<MODELLAB_OUT>",
        "MODELLAB_WAIT_FOR": "<MODELLAB_WAIT_FOR>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "modellab-mcp": {
      "command": "uvx",
      "args": [
        "modellab-mcp==0.2.0"
      ],
      "env": {
        "MODELLAB_BLENDER": "<MODELLAB_BLENDER>",
        "MODELLAB_OUT": "<MODELLAB_OUT>",
        "MODELLAB_WAIT_FOR": "<MODELLAB_WAIT_FOR>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "modellab-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "modellab-mcp==0.2.0"
      ],
      "env": {
        "MODELLAB_BLENDER": "<MODELLAB_BLENDER>",
        "MODELLAB_OUT": "<MODELLAB_OUT>",
        "MODELLAB_WAIT_FOR": "<MODELLAB_WAIT_FOR>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

NameDescription
MODELLAB_BLENDER
Optional		Blender's executable (4.2 or later), if it is not on the PATH or in the usual install folder
MODELLAB_OUT
Optional		The only folder Model Lab writes to (builds, clips, comparisons); defaults to ~/.modellab
MODELLAB_WAIT_FOR
Optional		Optional process names that hold the machine (e.g. UnrealEditor.exe,blender.exe); a build refuses to start while one runs

Details

Package[email protected] (PYPI, stdio)
First published15 Oct 2026
Last updated15 Oct 2026
Registry nameio.github.hpdkhoa/modellab-mcp

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