Process7 min read
Plenty of business owners now read AI as a sign that a vendor cut corners. The real problem is AI output nobody checked. Here is what we hand to an agent, what stays with people, and how one real WordPress-to-Webflow migration split.
Engineering11 min read
A trader asked us to rewrite his weather market maker in Rust. We measured the opportunity first — 256,000 order-book snapshots across 1,702 temperature buckets — and told him not to build it. What the reward economics actually look like, why the richest markets are the worst, and why we threw away our own positive result.
Engineering8 min read
Every page of 99francs.agency is served as clean Markdown to any client that asks — same URL, one Accept header, about a tenth of the bytes. Here is the Next.js setup behind it: the proxy rewrite, the converter route, llms.txt — and the six-week bug that quietly served our homepage to every AI agent while every browser test passed.
Buyer guides13 min read
What a production AI agent costs in New Zealand in 2026 — public NZ market benchmarks, realistic custom-build ranges, ongoing costs and a lower-risk way to pay only after each phase works.
Engineering9 min read
How a market-making bot survives on a fast prediction market: the anti-pickoff logic behind a live Polymarket system — pre-signed cancels, event-reactive requoting, order-book imbalance guards and enforced post-only quoting, and how they fire together the instant the underlying moves.
Engineering9 min read
Before a prediction-market trading strategy touches real money, we put it through backtests against real order-book depth and a staged ladder of simulation modes — inert, virtual, mirror, then a small real bring-up. Here is how the de-risking pipeline works, and why every promotion is gated by evidence rather than optimism.
Series
Business
Mobile
New Zealand
Norway
Malta
UAE
