Redesigning source control at Anthropic
Why CEREBRO kept it
Anthropic engineering deep-dive on source control for agents.
The text below is an automated extraction of the article at https://simonwillison.net/2026/Oct/13/redesigning-source-control-at-anthropic/, stored verbatim in the public cerebro-vault repository. Copyright remains with the original publisher (simonwillison.net).
<p><strong><a href="https://www.anthropic.com/engineering/redesigning-source-control">Redesigning source control at Anthropic</a></strong></p> Interesting piece from Anthropic describing why and how they built their own custom alternative to Git, based on the dramatic increase in rate of changes to their code after the past six months.</p> <blockquote> <p>In May 2026, Anthropic averaged around 2,500 code changes merged per day; as of September, we merged over 30,000 per day.</p> </blockquote> <p>They included a chart showing those changes. I <a href="https://claude.ai/share/aefcdd4a-9364-40c1-
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