Salvatore Zappalà's Weblog

Software Engineer from Sicily. Currently in the UK.

Platform Engineering @ Booking.com (opinions expressed here are mine).

Highlights and notes from the Fable/Mythos System Card

The Claude Platform Handbook on a Kobo Libra 2

TL;DR: I turned Anthropic’s docs and system cards into an e-book for my Kobo. Here I share my notes and comments, mostly on interpretability.

One of the small projects that I wouldn’t have ever done without automatic programming is a set of tools that allows me to convert any sort of text input into a format that is easily readable by my Kobo Libra 2. This not only gave a new life to my semi-abandoned e-reader, it also made me read a lot more of the articles and papers that I would previously have just skim-read.

I made a Claude Platform Handbook, by concatenating the Use-Case Guides, Models & Resources and System Cards from their docs.

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My "Rally Adventure" one-shot game, made with Opus 5 medium thinking

Rally Adventure

TL;DR: I gave Claude Opus a single prompt asking for an off-road driving game with a retro Screamer Rally look, and let it fan out sub-agents. A few hours later I had Rally Adventure: Three.js, TypeScript and Rapier, every texture and every sound generated in code.

After seeing the tweet by Jake Verbaten on his fire truck game I’ve decided to give it a try.

This is the prompt, strongly inspired by his:

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