build123d MCP

io.github.pzfreov0.3.84Updated Sep 23, 2026

AI-driven 3D CAD via build123d: execute, render, measure, and export geometry interactively.

VerifiedSTDIODesktop onlyMedia & DesignAI & ML

Installation

In SourceWeft

  1. Open build123d MCP in the dashboard and add it to a workspace.
  2. Enable the server for the chats that should use its tools.

Desktop only via STDIO. STDIO servers start a local process, so they need the SourceWeft desktop host.

Other MCP clients

Follow the launch instructions in the repository.

Tools

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Version history

1
  1. v0.3.84LatestSep 16, 2026