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Debugging a black box: 36 renders against Claude, and the part where my own data was wrong

Debugging a black box: 36 renders against Claude, and the part where my own data was wrong

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6 min read
When a Failed Agent Step Looks Finished

When a Failed Agent Step Looks Finished

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5 min read
Burp Suite: Main Purposes in Web Security Testing

Burp Suite: Main Purposes in Web Security Testing

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1 min read
The Two-Hour Gatekeeper for a 'Cheap and Capable' Model Announcement

The Two-Hour Gatekeeper for a 'Cheap and Capable' Model Announcement

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4 min read
Testing a data pipeline against the spreadsheets it replaced

Testing a data pipeline against the spreadsheets it replaced

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7 min read
I built a daily JavaScript puzzle game where a wrong answer physically can't ship

I built a daily JavaScript puzzle game where a wrong answer physically can't ship

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1 min read
The Higher-Ranked AI Fix Failed. The Lower-Ranked One Passed.

The Higher-Ranked AI Fix Failed. The Lower-Ranked One Passed.

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5 min read
Benchmark an AI Coding Task Across Mobile Backgrounding, Network Switches, and Battery Pressure

Benchmark an AI Coding Task Across Mobile Backgrounding, Network Switches, and Battery Pressure

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4 min read
Benchmark Mobile AI Reconnect Recovery Across Lifecycle Transitions With a Server You Can Kill

Benchmark Mobile AI Reconnect Recovery Across Lifecycle Transitions With a Server You Can Kill

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5 min read
Rewriting prose until the tests pass: everything passed, but the check that mattered never ran once

Rewriting prose until the tests pass: everything passed, but the check that mattered never ran once

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6 min read
Canary Idempotent Webhooks With Duplicate, Timeout, and Reorder Gates

Canary Idempotent Webhooks With Duplicate, Timeout, and Reorder Gates

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4 min read
A calendar library returned the same answer for every year — and my tests agreed with it

A calendar library returned the same answer for every year — and my tests agreed with it

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5 min read
Rewriting research prose until the tests pass

Rewriting research prose until the tests pass

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5 min read
How to Test an AI Agent Before Giving It Access to Your Files

How to Test an AI Agent Before Giving It Access to Your Files

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2 min read
A New Cheap Model Dropped. Here's the 2-Hour Canary Test I Run Before Touching It

A New Cheap Model Dropped. Here's the 2-Hour Canary Test I Run Before Touching It

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6 min read
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