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How an agent verifies a webpage it can never look at

How an agent verifies a webpage it can never look at

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4 min read
The Path Matched, the Tree Did Not: A Myth-Busting FAQ

The Path Matched, the Tree Did Not: A Myth-Busting FAQ

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8 min read
Claude Code skill arguments across 12 runs: what $ARGUMENTS, $0 and argument-hint actually put in the body

Claude Code skill arguments across 12 runs: what $ARGUMENTS, $0 and argument-hint actually put in the body

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11 min read
A/B Testing & Experimentation: How to Run Tests That Actually Teach You Something

A/B Testing & Experimentation: How to Run Tests That Actually Teach You Something

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13 min read
I built a tool that finds the minimal cause of a browser bug by replaying it

I built a tool that finds the minimal cause of a browser bug by replaying it

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3 min read
When Your AI Reviewer Remembers Too Much: A Two-Phase Memory Probe

When Your AI Reviewer Remembers Too Much: A Two-Phase Memory Probe

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5 min read
What I learned writing 1,096 tests for algorithm animations

What I learned writing 1,096 tests for algorithm animations

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3 min read
Play Console Says 0 Testers Opted In: What to Check

Play Console Says 0 Testers Opted In: What to Check

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4 min read
A Detector That Never Fires Scores Perfect on False Positives

A Detector That Never Fires Scores Perfect on False Positives

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8 min read
Doc Drift Is a Bug: A Claim-Checking Loop for Model-Generated Docs

Doc Drift Is a Bug: A Claim-Checking Loop for Model-Generated Docs

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6 min read
Letter to Tuesday-Me: Gate the JSON Before Any Shell Runs

Letter to Tuesday-Me: Gate the JSON Before Any Shell Runs

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8 min read
How We Test LLM Features So They Don't Regress in Production

How We Test LLM Features So They Don't Regress in Production

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Comments 2
5 min read
Every 401(k) fee analyzer wanted my login. The data was in a PDF they already mail me.

Every 401(k) fee analyzer wanted my login. The data was in a PDF they already mail me.

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4 min read
Playwright-PHP Changes the Game for Symfony Testing

Playwright-PHP Changes the Game for Symfony Testing

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6 min read
Mobilewright Part 1: Sleeping Giant: If You Know Playwright, You Already Know Mobile Testing

Mobilewright Part 1: Sleeping Giant: If You Know Playwright, You Already Know Mobile Testing

Comments 1
4 min read
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