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Hamza

@Spidermanzdev

I like building apps & games. Currently building RATS!!, a 1–4 player co-op tower defense in Godot. Free demo Dec 4. Sharing how I build it. Wishlist below

store.steampowered.com/app/5338640/?utm_source=x&utm_medium=bio
Joined October 2026
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Hi, I'm Felix. I'm an eng lead working on Claude. I love watching people take flight and do things they never thought possible. We often describe that as "being more ambitious" when using AI, which is tricky advice to follow. I wrote a tutorial: felixrieseberg.com/how-to-be…
How to be more ambitious: A tutorial for humans with models

How to be more ambitious: A tutorial for humans with models

“We’re not ambitious enough” is easy to post and hard to follow. Here’s a practical tutorial, with prompts.

felixrieseberg.com
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New on our Engineering blog: Creating in-house source control. In May, we merged around 2,500 code changes per day. In September, we merged more than 30,000 per day. As a result, we became bottlenecked by developer infrastructure built for human (rather than agent) scale. Here, we share how we built a new version control system—and fully migrated our monorepo from git—in five months: anthropic.com/engineering/re…
Redesigning source control at Anthropic

Redesigning source control at Anthropic

As our merges per day grew more than tenfold, source control became our biggest development bottleneck. Here, we share how we migrated to an in-house version control system in five months.

anthropic.com
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