Enclave: An MRuby sandbox for running arbitrary Ruby code from LLMs

is an mruby sandbox that runs inside Ruby. Why? Because maybe you want to expose tools inside the sandbox, like access to user data, but contain it so your agent can’t go crazy and do whatever it wants.

Ruby isn’t being rewritten in Rust — but Rust is already part of Ruby.

YJIT, the production JIT compiler included in modern Ruby versions, uses Rust to generate native machine code at runtime. It’s one of the most significant architectural changes in MRI in years, even if most developers never notice it directly. Read more

Seamless Postgres Indexing in Rails: The Case for Delayed Migrations

I published an article on how to properly add indexes with Rails, handling the creation of Postgres indices concurrently in delayed database migrations (after deployment).

Heroku: What's Next?

Stop Building Settings Pages: A Guide to Ruthless MVP Scoping

The Graveyard of Perfect Apps We all have a ~/projects folder filled with half-finished… Read more

While the spotlight has been on Ruby 4 and Rails 8, one critical piece of the ecosyst

Rack isn’t just another gem — it’s the interface that connects every Ruby web framework to the outside world. Every request, every response, every middleware chain flows through it. Read more

Ruby is not standing still — it is accelerating on multiple fronts at once.

👉 Read the full article: Read more

Ruby 4 isn’t just about experimental concurrency.

Sometimes the most important changes are the ones that reduce friction in everyday development. Read more

AI Assistance vs. Vibe Coding: The Two Modes of Modern Development

It is wild how fast things change. Just a few years ago, we were amazed that GitHub Copilot could… Read more

Making Encrypted Records Searchable

Rails’ encrypts directive is great until you need full-text search across those columns. You can’t query what the database can’t see — that’s the whole point. Read more

Ruby 4 continues to push the boundaries of safe parallel execution

Ruby 4 continues to push the boundaries of safe parallel execution — but the most interesting evolution may not be speed, but architecture. Read more

Where Does gem install Actually Go? Exploring the Ruby Filesystem

We type gem install rails or bundle install every day. Text scrolls down the screen, and suddenly we… Read more

Rkwalify Gem 1.4.0 released

Rkwalify gem (previously released as kwality) 1.4.0 released Read more

🪷 Mastering CMDx Workflows: Orchestrating Complex Business Logic

https://drexed.github.io/cmdx/blog/mastering-cmdx-workflows/ Read more

yet another decorator gem

Hey! I’ve created yet another decorator gem - It is lightweight, fast and not over-engineered :)

Ruby 3.4 introduces an experimental but potentially game-changing capability

Ruby 3.4 introduces an experimental but potentially game-changing capability: Modular Garbage Collectors. Read more

The Holy Trinity: Ruby, Bundler, and Gemfiles Explained

If you are coming from JavaScript (npm/yarn) or Python (pip/virtualenv), the Ruby way of doing things… Read more

AIA (AI Assistant) hits v1.0.0

I wrote the first lines of AIA three years ago. Back then it was just a front end to a Rust CLI called mods – it managed prompt text files and piped them into mods, which talked to OpenAI’s GPT. Today AIA handles 20+ providers and hundreds of models on its own. Prompt files are now markdown with YAML front matter, shell integration, and ERB. Read more

AI won’t replace developers.

Neither apocalypse nor utopia. Just reality. Read more

Ruby proxy for SQLMap and Websockets

I wrote a little post about how a small Ruby app can help to proxy SQLMap(or any other fuzzer) requests to websocket endpoints.

Ruby running entirely in your browser — no installation, no backend, just WebAssembly

We explored Rubox, a new experimental playground powered by Ruby WASM and TypeProf. Impressive concept, real limitations, and huge implications for the future of Ruby tooling. Read more

The Solo Frontend Team: Building a UI System in Pure Ruby

The “Partial” Problem We love Rails. We love ERB. But let’s be honest: app/views is… Read more

Stop Killing Your Database: 5 ActiveRecord Tips for Faster Rails Apps

In this article, I want to share my journey with ActiveRecord. When I first started with Rails, I… Read more

Why I Ditched Manjaro for CachyOS (And I’m Never Going Back)

The “Manjaro Plateau” For years, Manjaro was my comfortable home. It was the “Arch for… Read more

SchnellMCP: Ruby native MCP server experience

Do you have, like me, a bunch of Ruby scripts that make your life easier? Why not make them available to your e-friends too? Read more