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…
OpenSCAD MCP Server is an MCP project maintained in the jhacksman/openscad-mcp-server repository. The maintainer describes its purpose as “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…”. Read the project documentation for the complete scope.
The project provides a local client configuration using /absolute/path/to/venv/bin/openscad-mcp. Follow the repository’s build and installation steps before copying it, and replace example paths with the paths on your own computer.
Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.
Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| 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 |
{
"mcpServers": {
"openscad": {
"command": "/absolute/path/to/venv/bin/openscad-mcp",
"args": [
"--output-dir",
"/absolute/path/to/models"
]
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
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