The Ruby and Rails community linklog
Made a library? Written a blog post? Found a useful tutorial? Share it with the Ruby community here or just enjoy what everyone else has found!
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Lancelot: Ruby Bindings for Lance with Hybrid Search
Lancelot provides Ruby-native bindings to Lance, a modern columnar data format designed for ML workloads. Think Apache Parquet meets vector database - perfect for storing and searching embeddings, text, and structured data all in one place. [more inside]
Starting to update RubyFlow
RubyFlow has been running on a 5+ year old codebase and in order to add new features (such as spam mitigation!!) I’ve had to massively gut the codebase to get it running on Ruby 3.4, the latest Rack, the latest Sinatra, ripping out Sass, etc. I have just deployed the very first step of this (hence the fonts changing and a few other things). [more inside]
Want to build an AI agent in Ruby but don’t know where to start?
I took a ruby AI workflow app and transformed it from “cute workflow” to a real agent and wrote down the scars. No hype. Just what actually worked. [more inside]
Rails 8 + Hotwire 🤝 Turbo 🤝 React — gem 'islandjs-rails'
IslandJS Rails supports the development of React islands in Rails apps by synchronizing package.json dependencies with UMD libraries served in public/islands/vendor.: https://github.com/Praxis-Emergent/islandjs-rails
RapiTapir - APIs so clean and fast, they practically run wild! 🦙⚡
🦙 Introducing RapiTapir: Type-Safe HTTP APIs for Ruby [more inside]
Building React Apps in Rails Without the API Overhead: A Complete Superglue Guide
Learn how to integrate React into Rails applications using Superglue while keeping form helpers, flash messages, and authentication flows. This comprehensive guide covers everything from setup to server-side rendering, showing you how to build interactive UIs without sacrificing Rails productivity. [more inside]
Model Context Protocol
Model Context Protocol (MCP) is an API interface for your applications that are formatted in a way that machine learning platforms can interact with them. They can be used to generate AI insights, perform tasks based on user input or other things. https://www.driftingruby.com/episodes/model-context-protocol
The /o in Ruby regex stands for “oh the humanity!”
A journey into the wildly confusing /o regex modifier in Ruby. [more inside]
Consistent MySQL structure.sql Diffs for Rails
A guide on how to remove noise from structure.sql diffs in Rails when working with MySQL. [more inside]
Introducing Decant
Introducing Decant, a dependency-free frontmatter-aware framework-agnostic wrapper around a directory of static content (probably Markdown) that pairs perfectly with Parklife plus your favourite Ruby web framework to help you make a content-driven static website: https://www.benpickles.com/articles/95-introducing-decant
Turbo adapter: Hotwire Native's backdoor entrance
Understanding exactly how Hotwire Native integrates with the web app can be very helpful both in debugging issues and deciding if Hotwire Native is the right choice in the first place. In particular, it’s useful to understand how it takes over web navigation so it can make it feel native. This is what the article explains: Turbo adapter: Hotwire Native’s backdoor entrance
Build Custom ActiveStorage Analyzers for Ruby on Rails
We’ll dive into how ActiveStorage treats uploaded data, and how to extend this process, in part one of this two-part series: https://blog.appsignal.com/2025/07/30/build-custom-activestorage-analyzers-for-ruby-on-rails.html
Scaling image classification with AI
Learn how we used multi-modal Large Language Models to automatically categorize more than 1 million boat images, reducing months of manual work to a couple of days. [more inside]
Using Dispatch to communicate between Stimulus Controllers
A short article on how multiple Stimulus controllers communicate with each other using dispatch-method in Stimulus controller. https://www.jomppanen.com/2025/07/23/use-dispatch-to-communicate-between-stimulus-controllers.html
Adding an MCP server to a Rails app
Learn how to integrate the Model Context Protocol (MCP) into your Rails application to create intelligent, AI-powered tools that can interact with your data and perform complex tasks conversationally. Complete with code examples, client integrations, and real-world use cases https://avohq.io/blog/mcp-server-rails
Rails Engine Assets: Making Your Gem Work with Sprockets AND Propshaft
The golden rule for libraries is to support integration with as many parent apps as possible because you want to cover as much as you can of the full spectrum of customers but Sprockets and Propshaft makes that difficult to do. [more inside]
Service Objects
https://beautifulruby.com/code/service-objects is the clearest I’ve been able to articulate what I don’t like about service objects and how I think they should be implemented.
Use Rails views to render OpenGraph images
Himg renders HTML to an image - no browser needed. Add dynamic images to your site with just a .himg.erb template, perfect for transforming boring links to rich previews or upping your image SEO game.
Superform vs Rails form helpers: simple select tags
First edition at https://beautifulruby.com/code/superform-simple-select-fields in a series that’s going to compare Rails form helpers with Superform. In this example, I show a top annoyance in Rails form helpers, which is modifying the option tags in a form select.
Run LLMs natively in Ruby with Rust + GPU support
Red Candle is a Ruby gem that lets you run Llama 2, Llama 3, Mistral, and Gemma large language models directly inside your Ruby process using Rust. [more inside]