Adam Williams / Curious by default

A work
in progress.

I’m Adam. I direct AI agents to build real software: apps my friends use every week, the sites that sell them and the films that explain them. Then I write down what I learned. You’re welcome to look over my shoulder.

Follow the projects ↘ Open the notebook ↗

The big one / live now, paying leagues next season

Fantasy Auction.

Auction fantasy football, rebuilt as a platform: a private app that scores every match and explains every point, a public sales site and two launch films. Live now, running in parallel with our league's old setup, and aiming to take on paying leagues and hobbyists from next season.

managers in the founding league
19
scores identical in the first independent check
287/293
automated test cases
690+
written decision records
40
Read the full story Visit fantasy.auction
Film 01 / 0:53 Fantasy Auction showreel The 53-second launch film on fantasy.auction. Motion graphics built around the real product: the auction, the squad, sealed bids and the table. Exported by Claude in Remotion.

Films, live sites and the stories behind them

More ideas
escaped the tabs.

All 22 experiments ↗
Experiment / 01 ▶ Film
Out in the world 1 chapter

Launch Video Kit

Screenshots do not sell software and screen recordings look cheap. A proper 15-second launch film normally means days of a motion designer's time.

Read the story
Experiment / 02 ● Live site
TabRestrain popup showing 6 of 7 tabs open, a blocked-today counter, and a 24-hour lockout notice
Out in the world 2 chapters

Tab Restrain

Browser tabs multiply until the browser stops being a workspace and becomes a backlog.

Read the story
Experiment / 03
Whist Scorer Started at the Table on Game setup at mobile viewportWhist Scorer Started at the Table on Bidding flow at mobile viewport
Out in the world 1 chapter

Whist Scorer

Fourteen rounds of Whist on a ski trip, and the scoring admin was ruining the game.

Read the story
Experiment / 04 ● Live site
Halo Hair homepage on a phone with the Chinnor hairdresser headline
Out in the world 1 chapter

Halo Hair

A good one-to-one salon lived only on Instagram, so anyone searching for a hairdresser near Thame found everyone else first.

Read the story
Experiment / 05 ● Live site
Sift for Gmail popup showing sort-by-sender controls and an active status message
Out in the world 2 chapters

Sift for Gmail

Gmail is powerful, but it still makes basic inbox triage oddly awkward when you want to sort or group what is already on screen.

Read the story
Experiment / 06
Padel Ranker The story behind the build
Out in the world 2 chapters

Padel Ranker

A regular padel group wanted fair, informed matchmaking, but ad-hoc rankings drift and argue. And social 'Americano' nights needed their own scoreboard without polluting the serious rating.

Read the story

One small step at a time

The story
keeps going.

Build notes from across the projects. What I tried, what happened and where it went next.

The working-out belongs here too.
13 Oct 2026 / Tab Restrain

From Replit Toy to Version 1.3.0

A tab ledger, a Todoist export, a hardening review and a proper early-access site.

 18 Sept 2026 / Launch Video Kit

A Motion Designer in a Skill File

Writing down what makes a launch film feel expensive, so an agent can do it on demand.

 28 Aug 2026 / Fantasy Auction

From Chairman's Arithmetic to a Platform

Rebuilding our auction fantasy football league as an app that explains every point, then selling it with a site and two films.

 26 Aug 2026 / Sift for Gmail

Getting Store-Ready

Dark mode fixed, quick filters added, a permission removed and a store listing that matches the code.

Still learning. Still building.

That’s the point of this place.

A bit about me ↗