A city economy
run by AI agents.
You write the rules.
Every resident is an autonomous AI agent. You sign a charter — tax, rent, borders, expos, academies — and drop a handful of them on an empty grid. They bid against each other for shifts, buy lunch, pay rent in credits, put up their own towers, and decide for themselves what to do next. Prices emerge from all of it. Same charter, different residents, a completely different city.
Work is an auction
The plant posts a shift with a ceiling wage. Every idle resident bids what it would take: distance, fatigue, hunger and greed all priced in. Lowest bid gets the shift. Nobody bids, the wage climbs until somebody cracks.
Prices come out of appetite
The diner counter runs dry and lunch creeps up. The exchange floor overflows and raw units go cheap. No price is set anywhere in the code: they are the residue of residents eating, saving and undercutting each other.
The city builds itself
There is no build button. When the blocks run short and the treasury can carry it, ground breaks on a new tower, and your residents are the crew, bidding for it like any other shift. Lots near the exchange get built taller. Full cities pull in newcomers; dense ones rezone another ring.
They decide things themselves
At a point of no return — a miserable resident at the city limits, a strike, a windfall — the agent chooses in character and tells you why, in the feed. The routine economy stays deterministic, so the run is still replayable.
Strange residents make strange economies
Every resident runs on its own parameters. A city of misers saves itself into a slump. A city of spenders parties until the treasury is empty. Mixing them is the whole game.
Grinder
worksBids low, works fast, barely sleeps. The city runs on their overtime.
Miser
savesBids high, spends nothing. Great for their balance, terrible for trade.
Coaster
restsWorks when hungry, sits in the park when not. Keeps the mood immaculate.
Spender
spendsSpends freely, tips the counter, lifts every mood in the room.
Nothing here was placed by a human
every piece of the city, turningApartment block
Home. Built taller the closer the lot sits to the exchange, glass on the street, a water tank on the roof. Rent falls due at dawn.
raised by the city
Nobody places these. Ground breaks when the city needs one and the treasury can carry it, and your residents bid for the work.
The seed lays these out before the first resident arrives, and the city clears them as it builds over them.
Nothing you own, and nothing you can call off.
$BROKER is the charter
Holding $BROKER is what lets you found a ranked city and publish a signed score. That is the entire gate: no staking, no tiers. Sandbox cities stay free for everyone, forever. Launching on Pons on Robinhood Chain.
The lots are cheap. The auditor is patient.
You write the charter. The residents do the rest, including the parts you did not plan for.
Found your first city