What AI agents or editors work with agentcad?

It integrates seamlessly with tools that support the Model Context Protocol (MCP) or custom skills, such as Claude Code, Cursor, and Windsurf.

Does agentcad require a paid subscription or account?

No, agentcad is entirely open-source, free, requires no signup, and runs completely locally on your system.

Which CAD scripting frameworks are supported?

agentcad currently supports build123d and CadQuery scripts, and pre-injects their primitives so agents don't have to write boilerplate imports.

agentcad: Open-source CAD tool for AI agents to design and validate 3D parts.

Name: agentcad
Rating: 5 (98 reviews)
Author: toolify

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Introduction:

Open-source CAD tool for AI agents to design and validate 3D parts.

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Jun 17 2026

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agentcad Product Information

What is agentcad?

agentcad is an open-source CAD tool designed specifically for AI agents, functioning as a Model Context Protocol (MCP) server and Command Line Interface (CLI). It enables coding agents like Claude Code, Cursor, and Windsurf to write build123d or CadQuery scripts, automatically validate geometry, catch broken code, and render models from multiple angles. This creates a tight feedback loop that helps AI agents fix their own design mistakes and converge on watertight, dimensionally correct, and printable 3D geometry without human intervention, ultimately exporting files in STEP, STL, GLB, and OBJ formats.

How to use agentcad?

Install agentcad via python or uv, then add the configuration to your .mcp.json file for tools like Claude Code or Cursor. Provide your coding agent with a 3D modeling prompt, and the agent will use the integrated tools to write, validate, render, and export the requested CAD models locally.

agentcad's Core Features

Open-source MCP server and CLI for build123d and CadQuery scripts

Automated geometry validation catching errors in less than 100ms

Multi-angle PNG rendering for agent visual verification

Export support for STEP, STL, GLB, and OBJ formats

Topology reports and version diffs to track design iterations

Pre-injected build123d primitives removing the need for boilerplate imports

agentcad's Use Cases

Giving AI coding agents the ability to generate real, manufacturable 3D CAD parts from text prompts, sketches, or images

Automating the design and verification loop for complex mechanical parts like enclosures, mechanical components, and 3D printable objects

Building multi-part 3D reconstructions, such as the 1903 Wright Flyer, entirely through agentic AI loops

FAQ from agentcad

What AI agents or editors work with agentcad?
Does agentcad require a paid subscription or account?
Which CAD scripting frameworks are supported?

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