jonmagic.com projects

The battle tested prompts I use every day, from generating executive summaries to optimizing them via the semantic manifold principle.

The scripts that get me through the day, from extracting insights from meetings to automating my weekly routines, all powered by AI.

A Javascript regular expression tester with real-time matching. Inspired by Rubular.

Converts CSV to Markdown tables and back, following Unix principles for easy piping, redirection, and composability in workflows.

A Ruby gem for extracting a PDF page as an image and retrieving its text as a string.

A minimal workflow library for Ruby, ported from the PocketFlow TypeScript project with composable nodes and flows.

An AI tool that analyzes GitHub contributions and gives personalized feedback to help developers improve.

A Ruby library providing fast lookups and metadata for first and last names, including country of origin, gender distribution, and popularity rankings.

A tool for analyzing ActiveRecord callback complexity and usage to help you escape callback hell.

A collection of TDD kata implementations done through pair programming sessions, following the string calculator kata from Roy Osherove.