build123d-mcp

Name: build123d-mcp Review
Item: build123d-mcp
Rating: 3.0
Author: Aaron Matthews

Connector Development Usable

Works inClaude Code Claude Cowork Claude Chat

Usable Scanned — metadata only

Enables AI-assisted 3D CAD design workflows by providing structured context for build123d, reducing iteration cycles and lowering the barrier for non-experts…

MCP server for build123d to improve AI cognition when creating 3D CAD models

Ask Claude to generate parametric 3D part designs with build123d code
Generate CAD models from engineering sketches using build123d syntax
Automate creation of mechanical components and assemblies in 3D

32 starsApache-2.0 (commercial OK)Free

Usable rating — This tool is functional but has notable gaps. Review the evaluation notes below before deploying.

Why it matters

Enables AI-assisted 3D CAD design workflows by providing structured context for build123d, reducing iteration cycles and lowering the barrier for non-experts to generate parametric models programmatically.

Best for

Engineering teams and product designers building parametric 3D models who want to leverage AI assistance for faster design iteration.

Works in

Claude Code Claude Cowork Claude Chat

Source

https://github.com/pzfreo/build123d-mcp

By pzfreo

How to Get It

Option 1: Claude Desktop AppOpen the Customize panel in the sidebar → browse connectors → search and add. Works in Claude Code, Claude Cowork, and Claude Chat.

Option 2: Paste into Claude CodeCopy the command below and paste it into a Claude Code conversation. Claude will run it for you.

Command

claude mcp add build123d-mcp -- npx -y build123d-mcp

Tip: Paste this into a Claude Code conversation. Verify command matches your Claude Code version.

Auto-generated from the tool's public listing — not hands-on verified. Cross-check against the source repo's README before running.

First thing to try

Once it’s connected, paste this into Claude:

Generate parametric 3D part designs with build123d code

CostFree

Trust Signals Auto-scanned

Stars32Contributors7Last updated2026-07-25LicenseApache-2.0 (OK for commercial use)Known CVEsNone foundSources: GitHub Advisory Database + OSV.dev · Scanned 2026-07-25 · scanner v1

Data & Access

Data processingPrompts sent to Anthropic API. Enterprise/Team plans exclude training.

Community Pulse New

No community discussions found yet. This doesn't mean the tool isn't good — it may be new or serve a niche use case.

Reviewer notes

Auto-scanned review. These are observations, not a security certification.

Scored from trust signals (evidence-eval-v1): 32 GitHub stars; 7 contributors; last commit 0d ago; license Apache-2.0.

Things to check

Scanned, not hands-on tested — this entry was auto-scanned from public metadata (GitHub metrics, license, security flags). No reviewer has run it, and no tool-specific limitations have been documented yet.

How to evaluate tools before deploying →

Data shown here comes from public APIs and automated scanning. Reviewer notes reflect one person's experience. This is not a security certification or legal recommendation. Always evaluate tools according to your own organization's policies.

Evaluation Scores

Evaluation

Ease of Use

3/5

Versatility

2/5

Reliability

4/5

Security

3/5

Overall score3.00 / 5.00 UsableEvaluatedJul 2026

Scored from trust signals (evidence-eval-v1): 32 GitHub stars; 7 contributors; last commit 0d ago; license Apache-2.0.

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