Updates & Insights

A decision framework for when to hire a QA engineer versus when an AI agent covers the job. The honest signals — by team size, PMF, and risk — for hiring now, waiting, or never hiring at all.

Autonoma is a strong open-source testing platform that reads your codebase and runs tests on every PR. If you'd rather point an agent at a URL than wire one into your repo, here's an honest Autonoma alternative — with their real pricing, not invented numbers.

Deterministic AI test automation gets sold two ways, and one of them is a lie. A browser agent that reasons each run isn't byte-deterministic — here's how you make its Test Runs trustworthy anyway, and where non-determinism is genuinely irreducible.

Is 100% test coverage worth it? No — and not because you're lazy. Coverage counts lines executed, not risk covered, and the climb from 80% to 100% is where the worthless tests breed. What to optimize for instead of a number.

Every guide to testing dark mode tells you to flip a DevTools switch and look. That finds the easy bugs. Here's the playbook for the ones that ship: the white scrollbar, the theme that forgets, and the modal nobody restyled.

Internationalization testing isn't proofreading translations. It's finding the button your German text overflows, the date that reads 03/04, and the RTL layout nobody looked at. Here's the agent-driven playbook, in plain-English prompts.

Every Vercel preview deployment is a production-like environment you're probably not testing. Here's the honest wiring — the ephemeral URL, Deployment Protection, and retargeting an agent at a URL that didn't exist 90 seconds ago.

You can't write expect(output).toEqual(...) against a product whose output changes every run. Testing non-deterministic AI apps means finding the things that DON'T change — structure, semantics, behavior — and asserting on those. A field guide.

Authentication is not isolation. Multi-tenant SaaS access control testing means logging in as Tenant A and actively trying to reach Tenant B's data by URL and ID — then proving every attempt fails. Here's the playbook in plain-English prompts.

Most webhook testing tools help you catch a payload. They don't tell you whether your receiver behaves — duplicate deliveries, out-of-order events, retry storms. Here's how to test the receiver's actual effects, in plain-English prompts.