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Show HN: Cursor AI Rules Directory (Open Source)

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Show HN: Cursor AI Rules Directory (Open Source)

#1

Post by pontusabb »

While Cursor has already revolutionized coding, you can still configure it to perform even better based on your language and framework.

That's why we created Cursor Directory, a collection of the best cursor rules for your framework and language from the community. It's fully open source and you can contribute to it by submitting your own rules.

Just copy and add a .cursorrules file to your project root!

Let me know what you think!

Show HN: Cursor AI Rules Directory (Open Source)
cursor.directory

Re: Show HN: Cursor AI Rules Directory (Open Source)

#4

Post by Kiro »

Are these system prompts actually adding any value? I use Claude for coding a lot and haven't seen any meaningful difference from just giving it the code and asking for a change. Telling it to "be an expert" in something feels like a type of thing that sounds cool in theory but has no actual impact in practice.

Re: Show HN: Cursor AI Rules Directory (Open Source)

#5

Post by pontusabra »

Kiro wrote: post #4

Are these system prompts actually adding any value? I use Claude for coding a lot and haven't seen any meaningful difference from just giving it the code and asking for a change. Telling it to "be an expert" in something feels like a type of thing that sounds cool in theory but has no actual impact in practice.

it does, especially when you have libraries that you use and want to instruct how to write the code!

Re: Show HN: Cursor AI Rules Directory (Open Source)

#7

Post by mamp »

Kiro wrote: post #4

Are these system prompts actually adding any value? I use Claude for coding a lot and haven't seen any meaningful difference from just giving it the code and asking for a change. Telling it to "be an expert" in something feels like a type of thing that sounds cool in theory but has no actual impact in practice.

I suspect it's not so much the "expert" instruction but the list of subjects of the expertise. These words will generate embeddings that have a better chance of activating useful pathways and relationships within the LLM's generation path.

My understanding is the goal is to prime the LLM with context that it will use when generating answers, rather than hoping it will infer connections in the feed forward layers when generating answers based on a sparse prompt.

Re: Show HN: Cursor AI Rules Directory (Open Source)

#8

Post by vishvananda »

This is something I’ve been arguing for for a while[1]. I called it a “Framework Knowledge Base”. I think it needs to go a bit further and include specific code examples, especially for newer bits that are not in the training set. Ultimately RAG or even fine tuning might be better than a system prompt. [1]: https://devops.com/the-rise-of-coding-assistants-superchargi...

Re: Show HN: Cursor AI Rules Directory (Open Source)

#10

Post by pontusabra »

vishvananda wrote: post #8

This is something I’ve been arguing for for a while[1]. I called it a “Framework Knowledge Base”. I think it needs to go a bit further and include specific code examples, especially for newer bits that are not in the training set. Ultimately RAG or even fine tuning might be better than a system prompt. [1]: https://devops.com/the-rise-of-coding-assistants-superchargi...

thanks for sharing!
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