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Tuesday, April 21, 2026

Rise of the Trycycle – O’Reilly


The next article initially appeared on “Dan Shapiro’s weblog” and is being reposted right here with the writer’s permission.

Firms at the moment are producing darkish factories—engines that flip specs into transport software program. The implementations might be complicated and generally contain Mad Max metaphors. However they don’t should be like that. If you’d like a five-minute manufacturing unit, leap to Trycycle on the backside.

The engine within the manufacturing unit

Deep of their souls, darkish factories are all constructed on the identical easy breakthrough: AI will get higher if you do extra of it.

How do you do “extra AI” successfully? Software program factories use two patterns. Certainly one of them I’ve already advised you about—slot machine improvement. As an alternative of asking one AI, you ask three without delay, and select one of the best one. It feels wasteful, however it provides higher outcomes than any mannequin might alone.

Does three fashions at a time appear wasteful? Properly, wait till you meet the opposite sample: the trycycle.

The simplest trycycle
The only trycycle

It appears trivial, however it’s an unstoppable bulldozer that may bury any drawback with time and tokens. And naturally, you may mix it with slot machine improvement for a really formidable device.

Each software program manufacturing unit has a trycycle at its coronary heart. A few of them are simply surrounded by deacons and digraphs.

(And as a facet observe, they’re all extra enjoyable with freshell, which is free and open supply and makes managing brokers a pleasure!)

Let’s meet the factories, we could?

Gasoline City

Gas Town AI image

Steve Yegge noticed this coming like a battle rig down a cul-de-sac. His manufacturing unit, Gasoline City, dropped the day after New Years, and I used to be submitting PRs earlier than the code was dry. It launched as an exquisite catastrophe, with mayors, convoys, and polecats preventing for guzzoline within the desert of your CPU. It’s now graduated to a absolutely fledged MMORPG for writing code. It’s wonderful, it’s efficient, and it’s pioneering in a completely Westworld form of means.

The StrongDM Attractor

Justin McCarthy, the CTO of StrongDM, talks concerning the manufacturing unit as a suggestions loop. It was once that when a mannequin was fed its personal output, it will repair 9 issues and break 10—like a busy and productive firm that was dropping only a bit of cash on each transaction. However someday final 12 months, the fashions crossed an invisible threshold of mediocrity and went from barely lossy to barely gainy. They began getting higher with every cycle.

Justin’s crew observed and constructed the StrongDM attractor to money in.

If Gasoline City is Mad Max, StrongDM is Factorio: an infinitely versatile, wildly highly effective system for setting up precisely the manufacturing unit you want.

However the StrongDM crew did one thing attention-grabbing: They didn’t ship their manufacturing unit. As an alternative, they shipped the specification for the Attractor so everybody can implement their very own.

And you may completely implement your individual! However it’s also possible to simply steal the one I made for you.

Kilroy

Kilroy image

Kilroy is a StrongDM Attractor written in Go (though it really works with initiatives in any language). It has all the flexibleness of the Attractor design, however it additionally ships with an precise functioning manufacturing unit configuration, exams, pattern recordsdata, and different issues that make it extra prone to work.

In idea, you don’t want Kilroy—you may simply level Claude Code or Codex CLI  on the Attractor specification and burn some tokens. My good friend Harper constructed three (and it is best to learn his put up for some meditations on the place the Attractor method is heading).

In follow, it took the higher a part of a month for me and a few great contributors to shine up Kilroy to the purpose the place it’s now, so you might save your self a while, tokens, and energy by simply stealing this.

Enter the trycycle

trycycle image

The opposite evening I used to be fastidiously constructing the dotfiles and runfiles for a Kilroy mission—configuring the manufacturing unit to construct the mission.

Then a thought struck.

What if this was only a talent?

Enter Trycycle, the very easiest trycycle. It’s a quite simple talent for Claude Code and Codex CLI that implements the sample in plain English.

  1. Outline the issue.
  2. Write a plan
  3. Is the plan excellent? If not, strive once more.
  4. Implement the plan.
  5. Is the implementation excellent? If not, strive once more.

That’s mainly it. To make use of it, you open your favourite coding agent and say, “Use Trycycle to do the factor.” Then sit again and watch the tokens fly.

It’s easy as a result of it’s only a talent. Below the hood, it adapts Jesse Vincent’s wonderful Superpowers for plan writing and executing. It’ll take you actually minutes to get began. Simply paste this into your agent and also you’re off to the three-wheel races.

Hey agent! Go right here and observe the set up directions.
https://uncooked.githubusercontent.com/danshapiro/trycycle/major/README.md

Trycycle is barely 24 hours outdated as of the time of this writing. I’ve shipped effectively over a dozen options with it already, and I used to be in conferences a lot of the day. Whereas I used to be having dinner, it ported Rogue to Wasm(!). Final evening it churned for 7 hours and 56 minutes and landed six options for freshell.

The very best half, although, is that as a result of it’s only a talent, it’s immediately a part of your dev move. There’s no configuration or studying curve. If you wish to perceive it higher, simply ask. In case you don’t like what it’s doing, have stern phrases.

Which one to make use of?

Right here’s how I’d determine proper now.

If you wish to turn out to be a part of a rising motion of collaborators burning tokens collectively to construct software program, individually and collectively—strive Gasoline City.

If you wish to put money into constructing a highly effective, configurable, subtle engine that may drive your initiatives ahead 24 hours a day—strive Kilroy.

In case you simply need to get issues performed proper now, give Trycycle a spin. Heck, it’s quick sufficient that you would be able to spin up a trycycle when you learn the docs on Kilroy and Gasoline City.

And no matter you select, I like to recommend you do it with freshell, as a result of it’s simply extra pleasant that means!

Because of Harper Reed, Steve Yegge, Jesse Vincent, Justin Massa, Nat Torkington, Marcus Estes, and Arjun Singh for studying drafts of this.

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