Anthropic overhauls source control
anthropic
| Source: HN | Original article
Anthropic is overhauling its source‑control system after daily merges surged tenfold, turning version control into its primary development bottleneck.
Anthropic has overhauled its development infrastructure by replacing Git with a home‑grown version‑control system called Scion. The shift was driven by a tenfold surge in daily merges – from roughly 2,500 in May to more than 30,000 by September – which turned the standard Git workflow into the company’s biggest bottleneck. Over a five‑month effort, a team of seven engineers built Scion and migrated the entire monorepo, eliminating the choke point that “Git built for humans” created at agent‑scale.
The redesign matters because Anthropic’s work increasingly relies on AI agents that generate and modify code at a speed far beyond human programmers. By integrating Scion with a broader lifecycle stack that includes custom review tools, code‑search capabilities, identity‑and‑access management, and automated landing and merging workflows, the company aims to keep development velocity in step with its research ambitions. The move signals a broader trend: as AI‑driven development scales, traditional tooling may no longer suffice, prompting firms to invest in bespoke infrastructure.
What to watch next is whether other AI labs follow suit and build similar systems, and how Scion will evolve to support autonomous agents directly. Observers will also be keen on performance data that quantifies the reduction in latency and failure rates after the migration, as well as any downstream effects on product timelines and safety reviews. Anthropic’s internal solution could set a new benchmark for development pipelines in the era of high‑frequency AI‑generated code.
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