Turn STL and OBJ meshes and dimensioned drawings into real CAD solids and Fusion 360 scripts.
Connect Runs on your machine
claude mcp add stltosolid -e STLTOSOLID_OUT=<STLTOSOLID_OUT> -e STLTOSOLID_MCP_ALLOW_CODE=<STLTOSOLID_MCP_ALLOW_CODE> -- uvx stltosolid==0.7.0{
"mcpServers": {
"stltosolid": {
"command": "uvx",
"args": [
"stltosolid==0.7.0"
],
"env": {
"STLTOSOLID_OUT": "<STLTOSOLID_OUT>",
"STLTOSOLID_MCP_ALLOW_CODE": "<STLTOSOLID_MCP_ALLOW_CODE>"
}
}
}
}{
"mcpServers": {
"stltosolid": {
"command": "uvx",
"args": [
"stltosolid==0.7.0"
],
"env": {
"STLTOSOLID_OUT": "<STLTOSOLID_OUT>",
"STLTOSOLID_MCP_ALLOW_CODE": "<STLTOSOLID_MCP_ALLOW_CODE>"
}
}
}
}{
"servers": {
"stltosolid": {
"type": "stdio",
"command": "uvx",
"args": [
"stltosolid==0.7.0"
],
"env": {
"STLTOSOLID_OUT": "<STLTOSOLID_OUT>",
"STLTOSOLID_MCP_ALLOW_CODE": "<STLTOSOLID_MCP_ALLOW_CODE>"
}
}
}
}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
| Name | Description |
|---|---|
STLTOSOLID_OUTOptional | Folder for results (default ~/stlToSolid/mcp-output) |
STLTOSOLID_MCP_ALLOW_CODEOptional | Set to 1 to enable build_cadquery, which runs model-written CadQuery under an allow-list |
Details
| Package | [email protected] (PYPI, stdio) |
| Package | https://github.com/Crypto69/stlToSolid/releases/download/v0.7.0/[email protected] (MCPB, stdio) |
| First published | 13 Nov 2026 |
| Last updated | 13 Nov 2026 |
| Registry name | io.github.Crypto69/stltosolid |
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