Anthropic replaces Git with Scion after 30,401 Claude merges

Anthropic replaced git with a new source control system called Scion after automated AI agents writing code pushed the company to merge over 30,000 changes in a single day. The new system relies on a server-centric architecture rather than full local repositories, significantly reducing checkout and commit times for both human engineers and AI agents. Anthropic reports substantial infrastructure and performance improvements, though Scion is proprietary and designed specifically for their internal workload. Open article →