--- title: The PR you would have opened yourself | daily.dev description: Hugging Face introduces a Skill and test harness to help port language models from the transformers library to mlx-lm using AI coding agents. The post... canonical: https://daily.dev/posts/the-pr-you-would-have-opened-yourself-3tkfdilux twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: The PR you would have opened yourself | daily.dev og:description: Hugging Face introduces a Skill and test harness to help port language models from the transformers library to mlx-lm using AI coding agents. The post... og:url: https://daily.dev/posts/the-pr-you-would-have-opened-yourself-3tkfdilux og:image: https://api.daily.dev/og/posts/3TkFdiLUX.png og:image:alt: The PR you would have opened yourself og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # The PR you would have opened yourself **[Hugging Face](https://daily.dev/sources/huggingface)** · 12 min read · 1 upvotes · 0 comments ## Summary Hugging Face introduces a Skill and test harness to help port language models from the transformers library to mlx-lm using AI coding agents. The post addresses the growing problem of low-quality agent-generated PRs flooding open source projects, and explains how this tool is designed to assist contributors and reviewers rather than automate contributions blindly. The Skill guides Claude Code through the full porting process — discovering models, writing MLX implementations, running per-layer comparisons, and verifying RoPE configs and dtypes — while producing PRs that follow mlx-lm conventions. A separate non-agentic test harness provides reproducible verification independent of LLM hallucinations. The post also reflects on how meaningful open source contribution must still involve human ownership and engagement with reviewer feedback. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [The model that didn't exist, so you made it yourself](https://daily.dev/posts/the-model-that-didn-t-exist-so-you-made-it-yourself-get0i5x93) · Hugging Face · 0 upvotes · 0 comments - [Your vibe coded slop PR is not welcome](https://daily.dev/posts/your-vibe-coded-slop-pr-is-not-welcome-c8ehwuqtr) · Hacker News · 36 upvotes · 1 comments --- Tags: [#open-source](https://daily.dev/tags/open-source), [#transformers](https://daily.dev/tags/transformers) [View this post on daily.dev](https://daily.dev/posts/the-pr-you-would-have-opened-yourself-3tkfdilux) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"The PR you would have opened yourself","url":"https://daily.dev/posts/the-pr-you-would-have-opened-yourself-3tkfdilux","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/the-pr-you-would-have-opened-yourself-3tkfdilux"},"datePublished":"2026-04-20T13:19:28.286Z","dateModified":"2026-04-20T13:24:47.669Z","description":"Hugging Face introduces a Skill and test harness to help port language models from the transformers library to mlx-lm using AI coding agents. 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