Linus Torvalds let Claude Code write a speed-up for the Linux kernel.
Linux creator Linus Torvalds posted a branch of kernel patches dated 7 to 10 October. His notes say Anthropic's coding agent Claude Code wrote the code and tests under his direction. On his laptop, eight threads reading one file went three times faster, but nothing is merged.
Why it mattersTorvalds has the final say over the kernel that runs Android phones and most servers. His open use of an agent will shape what other projects accept.
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