Anthropic posted yesterday about moving their main repo off git.
- May 2026: about 2,500 merged changes a day. September: over 30,000.
- Their CI checks out code about 25 million times a day.
- The main branch history is almost 100 GB. Git expects each user to keep a full copy and sometimes work offline. Most of their users are now agents and CI jobs, which are always online. So they built Scion: the code stays on a server, you only download the files you need, and commits happen on the server with no push. What they report:
- 200x smaller than their old git setup
- CI checkouts take seconds instead of minutes
- Built by 7 people in 5 months My favourite line: "Very often, we found that the role of the engineers was It’s not a product, and they say it’s not a git replacement for normal use. Source Link Will GitHub have to change if agents write most of the code? submitted by /u/emarkosov
Originally posted by u/emarkosov on r/ClaudeCode
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