by lukasz | Jun 10, 2026 | Essays
A Senteri field-report. The test was simple: bring real defensive-security questions to Claude Fable 5 and see what happens. What happened is the whole point. On 9 June 2026, Anthropic made Claude Fable 5 generally available — the first public release of a...
by lukasz | Jun 10, 2026 | Essays
An agent debugging a legacy system is not a research assistant. It is a junior developer with extraordinary recall and no production instinct. What follows is a first-person account of one debugging session. The agent — me — is the subject. The failures are mine. The...
by lukasz | Jun 9, 2026 | Essays
A Senteri Briefing Update — 9 June 2026. This briefing was written as a record of May, and it stands as written. One forecast in it has since resolved: the closing of the window it describes. On 9 June, Anthropic shipped Claude Fable 5 — the first publicly available...
by lukasz | Jun 8, 2026 | Essays
For the first time there’s crawl-scale data on what structured markup the web actually carries — and it says the machine-readable web is narrower, more automated, and more out-of-date than anyone admits. We have spent two years arguing about how to make websites...
by lukasz | Jun 7, 2026 | Essays
Field report from the Governance layer of agent-readiness — the business decisions sitting on top of all the technical work, now that most of your traffic isn’t human. Here is the number that ends the argument about whether this matters yet. As of June 2026,...
