Built on Y Build Reading is research. Building is faster — start your first app free. Start free
BuildShipCompareThe LabAbout Start building →
The archive

All field notes

Every build, ship guide, comparison, and experiment — newest first.

Sort: Newest ▾
★ FLAGSHIP
04 · The Lab
Show a GUI agent once. Then test whether it learned the workflow
Aug 19 · 19 min
★ FLAGSHIP
04 · The Lab
Your AI agent has idle time. Prove that extra reasoning is worth buying
Aug 18 · 18 min
★ FLAGSHIP
04 · The Lab
Public benchmarks can shortlist a model. Your product eval has to decide
Aug 17 · 19 min
★ FLAGSHIP
04 · The Lab
Your research agent finished the report. Audit the decisions, not the document
Aug 15 · 19 min
★ FLAGSHIP
04 · The Lab
When an AI agent forgets, test the state layer before the model
Aug 13 · 18 min
★ FLAGSHIP
04 · The Lab
When AI teammates share a computer, test the boundary they do not have
Aug 12 · 19 min
★ FLAGSHIP
04 · The Lab
When an AI safety fallback drops 85%, test both sides of the boundary
Aug 8 · 19 min
★ FLAGSHIP
04 · The Lab
A model name is not a product version
Aug 7 · 18 min
★ FLAGSHIP
04 · The Lab
Before an AI skill learns your voice, test whether it can forget you
Aug 6 · 19 min
★ FLAGSHIP
04 · The Lab
Your voice agent has more load than its CPU graph shows
Aug 4 · 18 min
★ FLAGSHIP
04 · The Lab
A green proof is not the end of the verification chain
Aug 2 · 18 min
★ FLAGSHIP
04 · The Lab
The agent was busy. The value signal was missing
Jul 31 · 18 min
★ FLAGSHIP
04 · The Lab
OpenRouter Classifiers can label AI spend. First prove the labels
Jul 25 · 18 min
★ FLAGSHIP
04 · The Lab
AgentForger was fixed. Your agent builder still needs a control-plane release test
Jul 24 · 19 min
★ FLAGSHIP
04 · The Lab
Cursor Router makes model choice invisible. Your release evidence cannot be
Jul 23 · 19 min
★ FLAGSHIP
04 · The Lab
The Manager Coercion Benchmark shows why every agent needs an honest exit
Jul 22 · 18 min
★ FLAGSHIP
04 · The Lab
Qwen Audio 3.0 and Seed Audio 1.0 need a production fixture, not a demo contest
Jul 21 · 18 min
★ FLAGSHIP
04 · The Lab
When AI generates the whole page, test the whole page
Jul 20 · 18 min
★ FLAGSHIP
04 · The Lab
Your AI agent passed the step checks—and still failed the workflow
Jul 19 · 19 min
02 · Ship
Deploy an AI-built app to your own domain
Jun 9 · 7 min
02 · Ship
Custom domains & HTTPS without touching DNS
May 19 · 6 min
Reading is research. Building is faster.

Start your first app free — deploy to your own domain in one pass.

Start building
Build your own app
Free · no card
Start free →