Show HN: Agentcad – Claude Code's favorite CAD tool
Agentcad is a new CAD tool designed for AI agents, allowing them to create 3D models using Python scripts. It offers features such as execution, export options, and visual previews, all while being open source and requiring no signup. Users can easily install and start using agentcad to design various objects with built-in documentation for guidance.
- ▪Agentcad enables coding agents to design 3D models using CadQuery or build123d Python scripts.
- ▪The tool supports various outputs including STEP files, PNG rendering, and mesh exports for 3D printing.
- ▪Agentcad is open source under the Apache License 2.0 and runs locally without requiring user registration.
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agentcad CAD tool for AI agents. Give your coding agent the ability to design 3D models. Your agent writes CadQuery or build123d Python scripts. agentcad handles execution, STEP export, PNG rendering, mesh export (STL/GLB/OBJ), geometric metrics, validation, diffing, and browser preview. All command output is structured JSON. agentcad is open source under the Apache License 2.0. It runs locally and requires no signup. Quick start Install agentcad, then paste this into Claude Code, Cursor, or any coding agent: Create a Python 3.12 virtual environment, then: pip install agentcad agentcad skill install agentcad --help Read the --help output — it's your operational briefing. Then design me a phone stand: a simple angled cradle that holds a phone at 60 degrees.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at GitHub.