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Cloudflare built an oauth provider with Claude (github.com)

submitted 2 weeks ago by [email protected] to c/[email protected]

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[–] [email protected] 10 points 2 weeks ago (1 children)

Quoting from the repo:

This library (including the schema documentation) was largely written with the help of Claude, the AI model by Anthropic. Claude's output was thoroughly reviewed by Cloudflare engineers with careful attention paid to security and compliance with standards. Many improvements were made on the initial output, mostly again by prompting Claude (and reviewing the results). Check out the commit history to see how Claude was prompted and what code it produced.

"NOOOOOOOO!!!! You can't just use an LLM to write an auth library!"

"haha gpus go brrr"

In all seriousness, two months ago (January 2025), I (@kentonv) would have agreed. I was an AI skeptic. I thoughts LLMs were glorified Markov chain generators that didn't actually understand code and couldn't produce anything novel. I started this project on a lark, fully expecting the AI to produce terrible code for me to laugh at. And then, uh... the code actually looked pretty good. Not perfect, but I just told the AI to fix things, and it did. I was shocked.

To emphasize, this is not "vibe coded". Every line was thoroughly reviewed and cross-referenced with relevant RFCs, by security experts with previous experience with those RFCs. I was trying to validate my skepticism. I ended up proving myself wrong.

Again, please check out the commit history -- especially early commits -- to understand how this went.

[–] [email protected] 8 points 2 weeks ago (1 children)

That perfectly mirrors my AI journey. I was very skeptical and my early tests showed shit results. But these days AI can indeed produce working code. But you still need experience to spot errors and to understand how to tell the AI what to fix and how.

[–] [email protected] -1 points 2 weeks ago (1 children)

Agreed. It creates a new normal for what the engineer needs to actually know. In another comment I claimed that the same was true at the advent of stack overflow

[–] [email protected] 0 points 2 weeks ago

I agree with that. It is a bit like SO on steroids, because you can even skip the copy&paste part. And we've been making fun of people who do that without understand the code for many years. I think with AI this will simply continue. There is the situation of junior devs, which I am kind of worried about. But I think in the end it'll be fine. We've always had a smaller percentage of people who really know stuff and a larger group who just writes code.