The solo founder's AI engineering stack. Fork of gstack, rebuilt for bootstrappers, indie hackers, and people who want to quit their day job. Pieter Levels energy. Ship fast, charge money, skip the pitch deck.

🤖 The one and only Claude Code Skill to Upgrade Rails by FastRuby.io -- Based on 60,000 dev/hours of experience upgrading Rails from 2.3 all the way to 8.1. Dual boot your Rails application and gradually upgrade one minor version at a time. 🚀

Beautiful App Store screenshots — perfect to spec, shipped end to end. An open-source skill for Claude Code & Codex: deterministic HTML panels, one-pass translation, AI sticker art, spec-preserving makeovers.