A Browser-Based CAD Editor with AI Agent Support - vjmap webcad

Desktop CAD software has been the norm for decades — you buy a license, install a 2GB executable, and edit drawings on a dedicated workstation. That model works, but it creates real friction: version conflicts when files are emailed around, no collaboration, no browser access, and expensive per-seat licensing. The web has changed nearly every other tool category. It's taken longer with CAD, because the problem is genuinely hard: CAD geometry is complex, files are large and binary, rendering precision matters, and users expect the same commands they've used for 20 years. This post covers VJCAD — a web-based CAD editor built on TypeScript, WebGL, and WebAssembly — and walks through how to embed it in your own application. It also covers the AI agent integration via MCP, which lets you drive the CAD engine with natural language. What's in the WebCAD Before getting into code, here's what the platform actually provides: Drawing engine : 20+ entity types (Line, Circle, Arc, Polyline, Spline,