Scion
Anthropic's in-house version control system for its monorepo, with a server that computes blame and history as derived data; not released outside Anthropic.
0 members list Scion, unchanged over the last 12 weeks, data as of 17 October 2026
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- What is Scion version control? Anthropic's agent-scale VCS, derived data and where it sits next to Git
Scion is Anthropic's in-house version control system, described on 13 October 2026. It replaced Git in one monorepo and is not available to anyone else.