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
$ whoami
Web developer building apps, agents and automations from Clinton, Mississippi.
I run Matchless Web, a one-person studio, and I build my own products on the side. This is where I write about all of it: what I'm building, what worked and what broke.
~/jon — whoami
● built after hours, shipped in public
Latest writing
All posts →
4 min read
BTC DCA Engine is now listed in ChatGPT's plugin directory
BTC DCA Engine is now listed in ChatGPT's plugin directory. Here's what OpenAI's review asked for, and what a ChatGPT user gets now.
4 min read
Why this blog runs on EmDash, and why nothing else of mine does yet
This blog is my first real EmDash site. Why I picked Cloudflare's agent-first CMS for it, what I'm testing, and why I'm not moving anything else yet.
5 min read
Rebuilding matchlessweb.com as The Changelog, and how I write its blog with AI
Five AI-built versions of my agency site, the one I kept, and the critic loop and automated fact check every blog post passes before it publishes.
4 min read
Fifteen websites from one prompt: what an AI agent built on its own
I gave Claude Fable 5 one adapted prompt and let it design, build and deploy fifteen showcase sites and a hub. What it did well, and what it doesn't prove.
4 min read
A sales funnel you can watch: the working demo on matchlessweb.com
Ten emails over 18 days that change course with what you do: how the sales funnel demo on matchlessweb.com is wired, from button clicks to one-word replies.
What I'm building
All projects →
LiveBTC 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
LiveSimple 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
LiveHeavy 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
- 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
- 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
jonphillips.dev
Right now
The now page →What I'm focused on right now.
## Building
This site, my first on EmDash, Cloudflare's new Astro-based CMS. It's where I'm testing EmDash before I'd trust it with anyone else's site.
## Writing
A twice-weekly blog on matchlessweb.com about websites, search and AI, drafted with AI, checked by blind AI critics against the pages that already rank, and fact-checked again before anything publishes.