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The build123d-mcp MCP server was last committed 1mo ago and has 10 contributors. Issue health: 70% of issues resolved. AgentRank freshness score reflects real-time maintenance activity.

build123d-mcp MCP Server

Name: pzfreo/build123d-mcp
Rating: 4.1 (1 reviews)
Author: pzfreo

pzfreo/build123d-mcp

Score: 77.5 ↓ 1.9% Rank #2573 MCP Server

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

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Overview

pzfreo/build123d-mcp is a Python MCP server licensed under Apache-2.0. MCP server for build123d to improve AI cognition when creating 3D CAD models Topics: ai-tools, build123d, cad, mcp, mcp-server, python3.

Ranked #2573 out of 24846 indexed tools.

Has 10 contributors.

Ecosystem

Python Apache-2.0

ai-toolsbuild123dcadmcpmcp-serverpython3

Score Breakdown

Stars 15% 112

112 stars → growing community

Freshness 25% 1mo ago

Last commit 1mo ago → moderate activity

Issue Health 25% 70%

141/201 issues closed → decent issue management

Contributors 10% 10

10 contributors → active community

Dependents 25% 0

No dependents → no downstream usage

npm Downloads N/A

PyPI Downloads N/A

Forks 14

Description Good

License Apache-2.0

Weights: Freshness 20% · Issue Health 20% · Dependents 22% · Stars 10% · Contributors 8% · How we score →

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Description low impact

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Freshness high impact

Last commit was 47 days ago — a recent commit would boost your freshness score

Dependents medium impact

No downstream dependents detected yet — adoption by other projects is the strongest trust signal

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Details

Stars: 112
Forks: 14
Open Issues: 60
Closed Issues: 141
Contributors: 10
Dependents: —
Language: Python
License: Apache-2.0
Last Commit: 1mo ago

Matched Queries

"mcp server""mcp-server"topic:mcptopic:mcp-server

From the README

# build123d-mcp

Give your AI CAD eyes.

build123d-mcp is not a standalone chatbot or CAD program. It is a CAD toolbox
that an AI/LLM app can use through MCP.

With an LLM app such as Claude, Cursor, VS Code, Continue, Cline, or Codex CLI,
build123d-mcp lets the assistant create build123d CAD models, render previews,
measure geometry, fix mistakes, and export files such as STEP, STL, SVG, and
DXF. Instead of writing a whole CAD script blindly, the assistant can build a
part in small steps and check the result as it goes.

On the public [CADGenBench](https://huggingface.co/spaces/HuggingAI4Engineering/CADGenBench)
leaderboard in June 2026, using build123d-mcp raised the same model's score from
0.360 to 0.457 and CAD validity from 88% to 100%.

## Pick Your Setup

Most users should start with the local MCP server setup:

- You use Claude, Cursor, VS Code, Continue, Cline, or Codex CLI on your own
  machine.
- Your AI app starts `build123d-mcp` as a local subprocess.
- You do not need to

Read full README on GitHub →