mcp-bridge-for-moi
MCP server bridging AI agents to MoI3D on Windows and macOS.
What it does and how it connects
mcp-bridge-for-moi is an MCP server that bridges an AI assistant to a copy of MoI3D v4 open on the user's screen, on Windows and macOS. The agent builds NURBS geometry in the open document, looks at the result, and corrects itself, while the user can step in at any moment: select something to point at it, undo a step, or take over.
The safety model is explicit: the agent never saves the file, one Ctrl+Z undoes one agent step, the user's own command comes first (the agent can only look while the user is mid-command), and there are no tools at all unless MoI is running with the bridge installed. The README warns it is a spare-time project, advises saving work before letting an agent loose on it, and states it is unofficial and not affiliated with, endorsed by, or supported by Triple Squid Software. The user needs their own licensed copy of MoI.
Requirements are MoI 4 and Node.js 22 or newer. The README documents the agent-callable commands, token use, error codes, an eval log, and version support.
Alternatives
Compare side by side- siemens-nx-mcp
An MCP server for Siemens NX with 269 tools and a human-gated change panel, rather than a bridge to MoI3D v4.
- Auto-SolidWorks
A local SolidWorks plugin that models from drawings and dimensions, rather than a bridge that lets an agent model NURBS geometry in open MoI3D.
- illusion-forge
An agent workbench with a shared canvas and SolidWorks COM modeling, rather than a bridge to an open MoI3D document.
- Ark
An open-source parametric CAD kernel with its own Studio app, rather than a bridge driving the user's installed MoI3D.
- Zoo
A C# SDK for the Zoo text-to-CAD API, rather than an MCP bridge to a live MoI3D session.
Sources
Not verified
- Pricing: none stated on the repo.
- Real user voices: the repo has 0 open issues, and no independent user post was found.
- Related Error Index entries: the live error map has no MoI3D entries.
- A named individual builder beyond the repository owner handle preluceo-tools
Last verified November 6, 2026. Listings are informational. The evidence score measures public, verifiable evidence and is not an endorsement or a compatibility claim.