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A visualization on how Anthropic's new Scion source control works Made with Claude Opus 5.5
76,595 views • 3 days ago •via X (Twitter)
46 Comments

@AnthropicAI @claudeai 2,500 to 30,000 merges a day is 12x, and the bottleneck moving to source control is the real story. does your visualization show where the humans still sit in that loop?

@AnthropicAI @claudeai It’s a visual of Scion and how it works more than the working loop

@AnthropicAI @claudeai makes sense that the dev tools need to catch up too. generating more code puts more pressure on builds, merges and debugging. those are engineering problems worth talking about.

@AnthropicAI @claudeai for sure!

@AnthropicAI @claudeai Genuine questions, I'm no version control expert: isn't this exactly how SVN worked? And isn't it still how Mercurial works?

@AnthropicAI @claudeai If it ain’t broke don’t fix it I guess 👏

@AnthropicAI @claudeai anthropic building its own source control is a flex

@AnthropicAI @claudeai Massive flex 💪

@AnthropicAI @claudeai Here's my version, also made with @claudeai Opus 5.5

@AnthropicAI @claudeai not bad not bad

@AnthropicAI @claudeai way better than the post lol

@AnthropicAI @claudeai yeah thought a visual explainer would be much easier to digest, thank you!

@AnthropicAI @claudeai Prompt

@AnthropicAI @claudeai This wasn’t a one shot

@sudoosama @AnthropicAI @claudeai Share the whole chat

@devteamdrew @AnthropicAI @claudeai Josh telling people to 'just prompt it yourself' is like telling someone to cook when they asked for the recipe. Bro thinks sharing is a weakness 💀

@AnthropicAI @claudeai “Whole history” is a stretch, you can clone with depth=1

@AnthropicAI @claudeai This is true but for the sake of helping the average dude understand, whole history makes more sense. Appreciate the input!😊

@AnthropicAI @claudeai God we are going full circle, I hate it. Keep your repos small enough to make a clone in seconds. Yikes.

@AnthropicAI @claudeai I mean even Google uses a monorepo 🤔

@AnthropicAI @claudeai Yes, and for google something like this makes sense. But most people are not google. Honestly if you have this much code there are other things that might be worth looking into.

@AnthropicAI @claudeai This is awesome!

@AnthropicAI @claudeai glad you like it!

@AnthropicAI @claudeai 🙌☺️

@AnthropicAI @claudeai That 2,500 to 30,000 merges stack is such a good visual!!

@AnthropicAI @claudeai Glad you like it!

@AnthropicAI @claudeai Hmm. So we took a system intentionally designed to be decentralized, replaced independent repositories with server-side operations, and called the resulting dependency an improvement? I get the scalability argument, but isn't that quite an architectural regression in resilience?

@AnthropicAI @claudeai I think the games a little different when there’s thousands of agents working in a repo

@AnthropicAI @claudeai SVN?

@AnthropicAI @claudeai Apache Subversion (known as SVN)

@AnthropicAI @claudeai Cool video :)

@AnthropicAI @claudeai Thanks man :)

@AnthropicAI @claudeai really

@AnthropicAI @claudeai really?

@AnthropicAI @claudeai Damn this is kinda cool

@AnthropicAI @claudeai Thanks dude!

@AnthropicAI @claudeai why did it take 7 and not 1 person? Id like to know what those folks did.

@AnthropicAI @claudeai What did you use? this was a one shot?

@AnthropicAI @claudeai Claude Code, and not one shot haha

@carmonamarcelo @AnthropicAI @claudeai Do you mind sharing how you prompted for this kind of video and visuals?

@carmonamarcelo @AnthropicAI @claudeai a lot of the prompting is minor adjustments and tweaks rather than just letting the model decide what looks good

@AnthropicAI @claudeai That's actually crazy that they've had to build their own equivalent, can you image? Their internal model must be a monster lmao

@AnthropicAI @claudeai They're probably on Claude 7 by now

@AnthropicAI @claudeai I wonder if they would have released Fable 5.5 yet (and Opus 6??) if any of GPT/Gemini/Grok had released anything even vaguely competitive LOL

@AnthropicAI @claudeai Ok now haw to understand and learn to use “git” again, but in vibecoding era 😂

@AnthropicAI @claudeai Good explanation. Now I know that I don't want this.
