🛠️Anthropic's Scion System Handles 25M Daily Checkouts
Anthropic's new code system is a beast
TL;DR
Anthropic's new Scion system, built to handle massive code changes, now performs 25 million daily checkouts. It's a game-changer for large-scale development.
Anthropic's Scion system, replacing Git, now handles over 25 million daily checkouts for CI. This is a big deal for teams managing large-scale codebases, as it supports Anthropic's rapid development pace, with over 30,000 code changes merged daily. The system, built by a team of seven, was completed in five months and doesn't support offline functionality. Anthropic's main branch history is nearly 100 GB, and a compressed working copy is over 25 GB.
Key Points
Scion system handles 25 million daily checkouts for CI.
Anthropic merged over 30,000 code changes daily in September 2026.
Scion was built by a team of seven people in five months.
Main branch history is almost 100 GB, working copy over 25 GB.
Scion does not support offline functionality.
Why It Matters
If you're managing a large-scale codebase, Anthropic's Scion system shows how to handle massive development velocity. With 25 million daily checkouts, it's a must-watch for teams scaling up. The system's build in just five months by a small team is also a lesson in efficiency.
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