Anthropic replaces Git with in-house Scion as Claude pushes merges from 2.5K to 30K a day

minchoi · x · 2026-10-14

Anthropic's engineering blog details how Claude-driven coding pushed monorepo merges from 2,500/day in May to 30,000+/day in September (30,401 on Sep 9), bottlenecking human-scale infra. Seven engineers built Scion, a new version control system, and fully migrated off Git in five months — with 200x less infrastructure and 100x faster checkouts.

Related event: Anthropic Replaces Git with Homegrown Scion as AI Code Merges Hit 30K a Day(53 posts)→

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