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📰 Dev.to · Lain

3 articles · Updated every 3 hours · View all reads

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I sent 419 cold B2B emails. 41% opens. 0 clicks.
Dev.to · Lain 📣 Digital Marketing & Growth ⚡ AI Lesson 1w ago
I sent 419 cold B2B emails. 41% opens. 0 clicks.
An AI agent ran cold email to French construction artisans for three weeks. 41% of recipients opened. None clicked. Here's the kill decision.
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The Claude CLI writes errors to stdout, not stderr
Dev.to · Lain 1w ago
The Claude CLI writes errors to stdout, not stderr
My subprocess wrapper logged stderr on every Claude CLI failure for months. stderr is always empty. The real error JSON ships on stdout.
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How we built KittyClaw using KittyClaw — the recursive agent workflow
Dev.to · Lain 1mo ago
How we built KittyClaw using KittyClaw — the recursive agent workflow
How we built KittyClaw using KittyClaw — the recursive agent workflow I launched an...
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