Building a Simple Markdown PWA App

While I didn't share it on the blog, last week I tasked Claude with using Electron to build a Markdown viewer app. It was part test (how well can Claude work with Electron) and part real need - I work with Markdown files all the time but didn't have a simple "view focused" application for it. I was sure there open source or paid app options out there, but I wanted my own. Claude did a pretty good job (you can see the source here) but one thing stood out to me - the size of the bundled app. I created both a Mac and Windows distribution and both were around 90 megs. That's not huge of course, but still felt like a lot for what could - in theory - just be a web app. But there was one crucial feature I wasn't sure I could replicate - double clicking on a MD file to have it open my app. Turns out - you certainly can do it that. If you don't care how I built it, you can go to the app right now and install it: https://mdviewerpwa.netlify.app/ Alright, let's break it down. The UI When I had…