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Comment by prophesi | Hacker News Reader

Very excited for this. The two painpoints I've had with LLM's lately:

- Mediocre knowledge of Erlang/Elixir

- Reluctance to use the new rune feature in Svelte 5

It sounds like I'd be able to point my local LLM to the official docs for Erlang, Elixir, Phoenix, and all the dependencies in my project. And same for Svelte 5.

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FYI I'm sure you're aware, Svelte has one of the best migration guides ever [1].

It's too large to be a Cursor rule though. But, if you dump it into Google Gemini (which is phenomenal at large context windows) it will write you a solid condensed version.

[1] https://svelte.dev/docs/svelte/v5-migration-guide

I was actually talking to someone the other day who was building an MCP for Continue that could call the Elixir type checker / compiler (which I've heard is quite powerful). I'll need to find this and share—they were saying it made for a really powerful edit -> check -> rewrite loop in Agent mode

Also might be interesting to take a look at these Phoenix rules that someone built: https://hub.continue.dev/peter-mueller/phoenix-rules

I didn't think of that! I'd definitely be interested in an Elixir MCP. And thank you for pointing out the Phoenix/Elixir block. You'll find me lurking in the Discord.

I found that Copilot sucked for elixir.

But Cursor has been much better with suggestions for elixir codebases.

Probably still not as good as JS/Python but way way way better than Copilot.

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