cadloop OpenSCAD MCP Server

Name: cadloop OpenSCAD MCP Server
Author: io.github.richardofortune

io.github.richardofortune/cadloop-openscad

Repository Registry

What is the cadloop OpenSCAD MCP server?

Compile OpenSCAD, read computed values, preview and measure the mesh, without a GUI.

How to install cadloop OpenSCAD

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

OPENSCAD_WORKSPACE
The only directory this server reads and writes. Defaults to ~/cad.
OPENSCAD_BIN
Path to the openscad binary. Auto-detected from PATH and the usual install locations if unset.
OPENSCAD_TIMEOUT
Seconds before a run is killed. Defaults to 300.

Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "cadloop-openscad": {
      "command": "uvx",
      "args": [
        "cadloop",
        "--from",
        "cadloop",
        "cadloop-openscad"
      ],
      "env": {
        "OPENSCAD_WORKSPACE": "<YOUR_OPENSCAD_WORKSPACE>",
        "OPENSCAD_BIN": "<YOUR_OPENSCAD_BIN>",
        "OPENSCAD_TIMEOUT": "<YOUR_OPENSCAD_TIMEOUT>"
      }
    }
  }
}

Cursor

~/.cursor/mcp.json

{
  "mcpServers": {
    "cadloop-openscad": {
      "command": "uvx",
      "args": [
        "cadloop",
        "--from",
        "cadloop",
        "cadloop-openscad"
      ],
      "env": {
        "OPENSCAD_WORKSPACE": "<YOUR_OPENSCAD_WORKSPACE>",
        "OPENSCAD_BIN": "<YOUR_OPENSCAD_BIN>",
        "OPENSCAD_TIMEOUT": "<YOUR_OPENSCAD_TIMEOUT>"
      }
    }
  }
}

Windsurf

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "cadloop-openscad": {
      "command": "uvx",
      "args": [
        "cadloop",
        "--from",
        "cadloop",
        "cadloop-openscad"
      ],
      "env": {
        "OPENSCAD_WORKSPACE": "<YOUR_OPENSCAD_WORKSPACE>",
        "OPENSCAD_BIN": "<YOUR_OPENSCAD_BIN>",
        "OPENSCAD_TIMEOUT": "<YOUR_OPENSCAD_TIMEOUT>"
      }
    }
  }
}

VS Code

.vscode/mcp.json

{
  "servers": {
    "cadloop-openscad": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "cadloop",
        "--from",
        "cadloop",
        "cadloop-openscad"
      ],
      "env": {
        "OPENSCAD_WORKSPACE": "<YOUR_OPENSCAD_WORKSPACE>",
        "OPENSCAD_BIN": "<YOUR_OPENSCAD_BIN>",
        "OPENSCAD_TIMEOUT": "<YOUR_OPENSCAD_TIMEOUT>"
      }
    }
  }
}

Claude Code

claude mcp add cadloop-openscad --env OPENSCAD_WORKSPACE=<YOUR_OPENSCAD_WORKSPACE> --env OPENSCAD_BIN=<YOUR_OPENSCAD_BIN> --env OPENSCAD_TIMEOUT=<YOUR_OPENSCAD_TIMEOUT> -- uvx cadloop --from cadloop cadloop-openscad

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