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This link was posted by alex000kim 7 hours ago on HN. It received 329 points and 147 comments.

Here's a guy claiming he's the one responsible for the leak:

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I take full responsibility. I genuinely believed the safeguards Claude Code had built for me would be adequate and it was a serious miscalculation on my part.

Hadn't it just been in the news recently that Claude engineers were all using Claude Code, like this was some great new happening? Looks like they FAFO pretty quick.

@optimism

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I don't even know if the guy is real. I've had trouble double checking it.

Smells pretty weird to me.

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I get major this vibes from it, tbh

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And here’s the kicker: Anthropic acquired Bun at the end of last year, and Claude Code is built on top of it. A Bun bug (oven-sh/bun#28001), filed on March 11, reports that source maps are served in production mode even though Bun’s own docs say they should be disabled. The issue is still open. If that’s what caused the leak, then Anthropic’s own toolchain shipped a known bug that exposed their own product’s source code.

lol, you can't make this up

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