What I'm building

My own apps and products, plus the sites I use to try new ideas. Each card opens the live thing, and links to its case study when there is one. The card for this site opens the post about building it.

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  Live

  HPT AuditorWeb app

  Automated audits of every CMS hospital price transparency check under 45 CFR Part 180, with dated, cited findings before CMS runs them.

  Next.js · Supabase · Stripe

  hptauditor.comCase study

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  Live

  BTC DCA EngineWeb app

  A Bitcoin dollar-cost-averaging simulator that puts Bitcoin, gold, real estate and the S&P on one honest axis: same dollars in, same measure out.

  Supabase · Stripe · MCP

  btcdcaengine.comCase study

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  Live

  Simple Email SignatureWeb app

  Branded HTML email signatures for people who run more than one brand: one account, up to 500 signatures.

  Supabase · Stripe

  simplemailsignature.comCase study

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  Live

  Heavy Artillery SkillsDigital product

  Five skill packs that make AI coding agents prove their work and build the way I do, sold through a product site and a WordPress store.

  Agent skills · WordPress · SureCart

  skills.heavyartillery.ioCase study

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  Live

  7G HelperWeb app

  A free 7G firewall exception generator for GridPane: paste a blocked request from the log, see the rule that fired, and get a fix scoped to that one request.

  Vite · React · Cloudflare Pages

  7ghelper.comCase study

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  Live

  8G HelperWeb app

  A free 8G firewall rule finder for nginx: paste a line from the 8G log, see the rule that fired and the text it matched, and move a GridPane site from 7G to 8G in watch mode first.

  Vite · React · Cloudflare Pages

  8ghelper.comCase study

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  Live

  Heavy ArtilleryWebsite

  My AI automation agency: it builds, deploys and maintains automation for growing businesses, so someone is accountable when it breaks.

  Vite · React · Cloudflare Pages

  heavyartillery.io

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  Live

  Matchless WebWebsite

  My studio's site, rebuilt as a changelog, with a blog that is fact-checked by an automated pass before anything publishes.

  Vite · Cloudflare Pages · GitHub Actions

  matchlessweb.com

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  Building

  jonphillips.devExperiment

  This site: my first EmDash build, running on Cloudflare Workers with D1, and my test bed for letting agents manage content.

  EmDash · Astro · Cloudflare Workers

  How I built itSubscribe