~/dad
Writing Build series Signuppity
active build Started March 12, 2026 · Week 10

Signuppity.

A SignupGenius killer, built in public.

Visit signuppity.app View repo

The stack

The series

From first commit to first customer

Every post in the Signuppity build, in order. New entries land most Saturdays.

MVP progress
11 of 20 milestones · 55%
EP.01 May 24, 2026 · 9 min

Why I'm building a SignupGenius killer

The problem with SignupGenius. Why a developer would bother competing. The vision for Signuppity, and how I'm scoping the MVP between a real job and a six-year-old.
EP.02 May 24, 2026 · 12 min

Choosing the stack: Astro, emDash, Cloudflare

Why this stack and not the obvious one. What emDash is and why it matters when you have ninety minutes a day. Honest pros and cons.
EP.03 May 24, 2026 · 14 min

Signuppity data model: designing the schema

The D1 schema. Slots, signups, users, orgs. Why these choices and what I had to throw out twice.
EP.05 upcoming

Building the signup flow without a single account required

The hardest part of Signuppity isn't auth — it's the people who refuse to sign up for one more thing. Here's how the public flow works.