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OpenSCAD-MCP-Server

jhacksman/OpenSCAD-MCP-Server

A local MCP server that turns OpenSCAD source or explicit primitive dimensions into editable SCAD, STL geometry, and four PNG previews. The connected assistant can write SCAD for complex designs; this server compiles and renders it with the installed OpenSCAD executable.

View on GitHub24

Install

Client configuration

{
  "mcpServers": {
    "openscad": {
      "command": "/absolute/path/to/venv/bin/openscad-mcp",
      "args": [
        "--output-dir",
        "/absolute/path/to/models"
      ]
    }
  }
}

Environment variables

UV_PROJECT_ENVIRONMENT
GitHub stars
24
Author
@jhacksman
Category
Developer Tools, Image & Video
License
MIT
Updated
Oct 6, 2026

About OpenSCAD-MCP-Server

Status: the supported implementation is in src/openscad_mcp. The previous image generation, CUDA reconstruction, remote processing, and printer code is archived in legacy/. It is unfinished and is not part of the installed server. See the audit and machine test results.

Tools (8)

  • get_capabilities

    OpenSCAD version and supported primitives with default parameters

  • create_3d_model

    Create a primitive using model_type and parameters, or a limited description

  • create_model_from_scad

    Compile trusted scad_code for a custom 3D model

  • modify_3d_model

    Change primitive parameters or replace a model's scad_code

  • get_model

    Read a saved model and its artifact paths

  • get_model_source

    Read saved SCAD source and its revision, including inside Docker

  • get_model_preview

    Return a PNG image as MCP image content

  • export_model

    Export scad, stl, csg, or 3mf

Details on this page are taken from the project's README. Open README

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