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Turning Bad LLM Responses into Regression Checks with LLMCheck

Turning Bad LLM Responses into Regression Checks with LLMCheck

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21 min read
[Tiny] How to Make Your Gradle + JUnit 5 Tests Slower in One Easy Step

[Tiny] How to Make Your Gradle + JUnit 5 Tests Slower in One Easy Step

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2 min read
Record One Nested Decision, Then Extract a Single Predicate

Record One Nested Decision, Then Extract a Single Predicate

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7 min read
If the Round Trip Was Instant, You Cheated

If the Round Trip Was Instant, You Cheated

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6 min read
Letter to 14:07-Me: Replay the Tool Trace, Not the Chat

Letter to 14:07-Me: Replay the Tool Trace, Not the Chat

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7 min read
The Scratch Server Went Green. You Still Need a Local Gate.

The Scratch Server Went Green. You Still Need a Local Gate.

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6 min read
Treat Tool Intent as a Deduped Outbox Before Planner Retries Double-Commit

Treat Tool Intent as a Deduped Outbox Before Planner Retries Double-Commit

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9 min read
Your LLM eval set is quietly certifying your bugs

Your LLM eval set is quietly certifying your bugs

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5 min read
48-Hour Field Notes: The Load Test Looked Fast. Keep-Alive Was Reusing One Socket.

48-Hour Field Notes: The Load Test Looked Fast. Keep-Alive Was Reusing One Socket.

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8 min read
The Routing Slip Workshop

The Routing Slip Workshop

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8 min read
Test your Step Functions workflows locally with pytest

Test your Step Functions workflows locally with pytest

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8 min read
I set the pass bar before testing my Claude Code skills. The first run failed.

I set the pass bar before testing my Claude Code skills. The first run failed.

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3 min read
Why did a Brazil result not tell me anything reliable about LATAM?

Why did a Brazil result not tell me anything reliable about LATAM?

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2 min read
My fact-checker said CONFIRMED about a group that doesn't exist

My fact-checker said CONFIRMED about a group that doesn't exist

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6 min read
Our integration tests were talking to our partner's live system

Our integration tests were talking to our partner's live system

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2 min read
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