Mastodawn

The Claude Code Leak

https://build.ms/2026/4/1/the-claude-code-leak/

The Claude Code Leak

What the accidental Claude Code source code leak tells us about the real value of code, product market fit, and why integration is what actually makes software great.

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anematode 5d ago

> But then the clean room implementations started showing up. People had taken Anthropic’s source code and rewritten Claude Code from scratch in other languages like Python and Rust.

Seems like the phrase "clean room" is the new "nonplussed"... how does this make any sense?

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mergesort

Heya, post author here. I think I was just wrong about this assertion. I got into a discussion with a copyright lawyer over on Bluesky[^1] after I wrote this and came away reasonably convinced that this wouldn’t be a valid example of a clean room implementation.

[^1]: https://bsky.app/profile/mergesort.me/post/3mihhaliils2y

Joe Fabisevich (@mergesort.me)

Gotcha, that makes sense to me! I think I was conflating the specifics here with the normal case, and I suspect if there was only one trial to be had then your interpretation would win in court.

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