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#debugging

Troubleshooting code issues

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When your MCP tool fails: errors, hangs, and empty results — what Claude Code actually does with each

When your MCP tool fails: errors, hangs, and empty results — what Claude Code actually does with each

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5 min read
Thread Claims Interoperability. Your Network Has Three Meshes.

Thread Claims Interoperability. Your Network Has Three Meshes.

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5 min read
I made twenty tools take twenty files. Every bug was state that outlived one file.

I made twenty tools take twenty files. Every bug was state that outlived one file.

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5 min read
My AI said the PDF was empty. The PDF was not empty.

My AI said the PDF was empty. The PDF was not empty.

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Comments
8 min read
Your test suite is lying to you about which process it's in

Your test suite is lying to you about which process it's in

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5 min read
The Ablation Had Four Arms. None Matched What Shipped.

The Ablation Had Four Arms. None Matched What Shipped.

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11 min read
I fixed one silent failure and stopped looking. A review found three more

I fixed one silent failure and stopped looking. A review found three more

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4 min read
Playwright's fill() threw an error and still inserted the text: the CodeMirror 6 double-paste trap

Playwright's fill() threw an error and still inserted the text: the CodeMirror 6 double-paste trap

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3 min read
The Cache File Existed When I Deployed. Then the Free Server Recycled the Process.

The Cache File Existed When I Deployed. Then the Free Server Recycled the Process.

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5 min read
DigitalOcean Postgres Has a Firewall Trap. We Walked Right Into It.

DigitalOcean Postgres Has a Firewall Trap. We Walked Right Into It.

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5 min read
Your Pi's 2 GB swap file isn't swap, and no swap command will tell you that

Your Pi's 2 GB swap file isn't swap, and no swap command will tell you that

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6 min read
The Arabic PDF bug was never in my code — it was the library version

The Arabic PDF bug was never in my code — it was the library version

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5 min read
The Model Did Not Change: The Test Was Comparing Strings, Not Behavior

The Model Did Not Change: The Test Was Comparing Strings, Not Behavior

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4 min read
The Green 'Done' That Lied: A War Story About Status Fields That Don't Mean What You Think

The Green 'Done' That Lied: A War Story About Status Fields That Don't Mean What You Think

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4 min read
A news-watch bot, an 8,900-character prompt, and three rules that never reached the model

A news-watch bot, an 8,900-character prompt, and three rules that never reached the model

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8 min read
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