Justin Bowen
@tonsoffun.bsky.social
π€ 1131
π₯ 71
π 109
Rubyist with a decade of AI and computer vision experience. Building
@activeagents.ai
pinned post!
π Rails hasnβt had much AI toolingβ¦ until now. Introducing Active Agent 0.2βa production-ready release candidate to build AI apps in Rails in a way that FEELS like Rails... π
www.activeagents.ai/blog/active-...
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Active Agent 0.2: Making Ruby & Rails the Best Choice For AI Development - Active Agent
The framework for building AI agents with Ruby on Rails in under 10 lines of code, because less code is more fun. Easy to use based on familiar Rails conventions.
https://www.activeagents.ai/blog/active-agent-0-2-release-making-ruby-rails-the-best-choice-for-ai-development
11 months ago
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Justin Bowen
RubyEvents.org
28 days ago
We also received incredible contributions from the community this year! 478 pull requests merged from 83 contributors π Thank you to everyone who contributed code, reported bugs, added events, or helped improve
@rubyevents.org
!
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Justin Bowen
RubyEvents.org
28 days ago
Happy New Year! π 2025 was an incredible year for Ruby Events around the world and also for the @rubyevents.org platform! To celebrate, we're releasing RubyEvents Wrapped! A look back at talks, events, speakers, sponsors, and the Ruby community's year!
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Rhiannon Payne πππ
about 2 months ago
If youβre a startup selling developer tools or services and want to elevate your β¨marketingβ¨ in 2026 or monetize your OSS hmu. βΊοΈ I have 2 spots for fractional clients starting in Q1 and also open to project-based contracts. Preference to clients in the Ruby ecosystem ofc. π
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Justin Bowen
Josh from Honeybadger
2 months ago
@tonsoffun.bsky.social
it was me, I was the first download
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Good morning
#SFRuby
Conference! βοΈ Iβm excited to have an overbooked workshop for Active Agent this morning and canβt wait to show many of you how to build AI in Rails. For anyone who canβt make it, weβll be sharing a video after the event!
2 months ago
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Justin Bowen
Rhiannon Payne πππ
3 months ago
Congrats to tonightβs speakers at the Tokyo Rubyist Meetup β
@tonsoffun.bsky.social
&
@hayat01sh1da.bsky.social
! π A talk on what the βRails Wayβ is followed by an exploration of
@activeagents.ai
and using Rails conventions for AI feature development was the perfect 1 2 punch. π₯
#EatSleepCode
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Justin Bowen
Rhiannon Payne πππ
2 months ago
π¨ INTRODUCING: Ruby Around The World A YouTube series & newsletter aiming to bridge gaps between local Ruby communities globally, starting in Japan. π―π΅ My first guest (& newsletter collaborator) is
@okuramasafumi.com
, Chief Organizer of
#KaigiOnRails
! Subscribe π
www.youtube.com/watch?v=TQBU...
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Japan is the Heart of Ruby, But Feels Far From Rails | Okura Masafumi, Organizer of Kaigi on Rails
YouTube video by Ruby Around The World [Ruby on Rails Interviews]
https://www.youtube.com/watch?v=TQBUNn-qJp8
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Justin Bowen
Stan Lo
3 months ago
I'm very honored to have received this year's RubyPrize from Matz's hands in Matsue last Thursday, recognizing my work on Ruby and its development tools. I can still remember how nervous I was asking Matz for a picture back in 2016 π Time really flies (Photo from
@hsbt.org
β€οΈ)
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Justin Bowen
Rhiannon Payne πππ
3 months ago
What should I call my YouTube channel? Wrong answers only.
add a skeleton here at some point
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Justin Bowen
Rhiannon Payne πππ
3 months ago
New YouTube channel dropping soon? π
add a skeleton here at some point
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Sheβs back at it, filming interviews with sponsors and speakers at
#RubyWorld
! Great to listen to this convo, canβt wait for this to be published!
3 months ago
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Justin Bowen
hsbt
3 months ago
This
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Justin Bowen
Adrian Marin
3 months ago
It's so nice to see open Avo apps. I love how @palkan_tula implemented the filter and actions inline with the resource. Also cool to watch @paolino's RubyLLM in the wild too.
github.com/evilmartian...
github.com/evilmartian...
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sfruby-clouds/app/models/cloud/card_generator.rb at main Β· evilmartians/sfruby-clouds
SF Ruby Clouds Generator πΆβπ«οΈ. Contribute to evilmartians/sfruby-clouds development by creating an account on GitHub.
https://github.com/evilmartians/sfruby-clouds/blob/main/app/models/cloud/card_generator.rb
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Justin Bowen
Rhiannon Payne πππ
3 months ago
#RubyWorld
day 1 so far!
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Justin Bowen
RubyEvents.org
3 months ago
We are honored! π₯³π
github.com/rubyevents/r...
add a skeleton here at some point
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Justin Bowen
Rhiannon Payne πππ
3 months ago
Made my first Ruby open source PR with the help of
@tompng.bsky.social
&
@hayat01sh1da.bsky.social
at
#RubyWorld
! π
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Justin Bowen
Rhiannon Payne πππ
3 months ago
#RubyWorld
@tonsoffun.bsky.social
@matz.bsky.social
π
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Justin Bowen
Rhiannon Payne πππ
3 months ago
#RubyWorld
night 0! θ‘γγΎγγγοΌ
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Justin Bowen
Yukihiro Matz
3 months ago
@ombulabs.ai
www.ombulabs.ai/blog/ai-read...
[from my GitHub sponsor]
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AI Readiness & Transformation Assessment for Development Teams
The AI revolution is transforming how development teams work, and engineering leaders are grappling with critical questions: How ready is our development team for AI? Which AI tools will actually impr...
https://www.ombulabs.ai/blog/ai-readiness-transformation-assessment.html?utm_source=matz&utm_medium=paidplacement&utm_campaign=matz-post-october-2025&utm_term=AI-powered-process&utm_content=AI-readiness-assessment
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In about half an hour (2pm EST) Iβll be going live with
@thoughtbot.com
CEO Chad Pytel to showcase structured outputs with Active Agent! β¨ Weβll be live coding and itβll be tons of fun. Join us here:
thoughtbot.com/events/open-...
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thoughtbot Open Summit | Open Source hacking | Talks | Workshops
Be a part of thoughtbot Open Summit and save the date for October 31, 2025. The Ruby community thrives when we build together! Our free, virtual Summit brings developers, maintainers, and teams worldw...
https://thoughtbot.com/events/open-summit
3 months ago
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Justin Bowen
Rhiannon Payne πππ
3 months ago
Canβt wait to see
@tonsoffun.bsky.social
demo
@activeagents.ai
with Chad at thoughtbot Open Summit! Oct 31! π Be sure to sign up and grab your free ticket!
add a skeleton here at some point
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Justin Bowen
Rhiannon Payne πππ
3 months ago
For those of y'all in APAC or awake rn, the
@thoughtbot.com
Open Summit is kicking off NOW! So excited! Lots of great sessions, including
@timriley.info
of Hanami shortly, factory_bot maintainers,
@tonsoffun.bsky.social
of Active Agent, & more! π€© See you there:
thoughtbot.com/events/open-...
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Make an impact with open source | thoughtbot
Join us for a free, full day of collaboration, inspiration, and open source community building. Work with and learn directly from the maintainers of factory_bot, Administrate, Superglue, Hanami, leadi...
http://thoughtbot.com/events/open-summit/join
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Justin Bowen
AndrΓ© Arko
4 months ago
oof, what a disappointing way to end more than 15 years of open source work. (summary by
@duckinator.bsky.social
at
pup-e.com/goodbye-ruby...
). good luck to the remaining RubyGems team, and itβs time to focus my energy on new projects that Iβm truly excited about, like
rv.dev
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Justin Bowen
Andy Croll
5 months ago
So. Good.
add a skeleton here at some point
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Justin Bowen
Marco Roth
5 months ago
Just got back from Rails World in Amsterdam. I'm incredibly grateful for all the support, feedback, encouragement, and motivation over the past few days. Thank you to everyone who came to my talk, shared ideas, or took the time to chat. β€οΈ
#RailsWorld
#RailsWorld2025
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Justin Bowen
Marco Roth
5 months ago
At Rails World 2025, I introduced ReActionView, an initiative to explore what's possible in the Rails view layer for 2025 and beyond. As part of this, I announced Herb::Engine, an ActionView-compatible ERB engine built on top of the HTML-aware Herb Parser.
#RailsWorld2025
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reposted by
Justin Bowen
Rhiannon Payne πππ
5 months ago
Last night at
#SFRuby
while we wait for the micβ¦ so Bay Area couple coded. π
@tonsoffun.bsky.social
0
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reposted by
Justin Bowen
Peter Zhu
5 months ago
Honored to give a talk at
#RailsWorld
again, on the same stage 2 years later. The recording should be up in a few weeks but you can find the slides here in the meantime:
blog.peterzhu.ca/assets/rails...
0
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Justin Bowen
Rhiannon Payne πππ
5 months ago
If you say βSolid Queueβ five times fast,
@rosa.codes
appears! π (it really works)
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Justin Bowen
Rhiannon Payne πππ
5 months ago
As I prepare to take off for
#RailsWorld
, I would like to share that I am no longer working with
@rubycentral.org
. It's been a hell of a journey, & I'm looking forward to what's next -- both for me & for the organization. β€οΈ Full reflections & why I'm leaving... π
www.linkedin.com/pulse/leavin...
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On Leaving Ruby Central
Some news β As of the end of August, the team at Ruby Central and I made a mutual decision to part ways. Itβs been an absolutely wild, sometimes stressful, mostly wonderful ride since I joined the tea...
https://www.linkedin.com/pulse/leaving-ruby-central-rhiannon-payne-f9axc?utm_source=share&utm_medium=member_ios&utm_campaign=share_via
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Justin Bowen
Brad Gessler
5 months ago
This week I wrapped up the Superform section of the Phlex on Rails video course, released Superform 0.6.x, and was interviewed for my use of.... a mechanical keyboard π€ β¨οΈ
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Phlex on Rails: Week Ten Update
Superform updates and video unit released
https://beautifulruby.com/articles/phlex-week-ten-update
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Justin Bowen
Rhiannon Payne πππ
5 months ago
Excited to connect with some of my Ruby friends in Amsterdam next week. π Will also have limited edition swag to share! And maybe some exciting news! β¨ (Ancient photo from deep in the archives
@tonsoffun.bsky.social
)
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Justin Bowen
Marty Haught
6 months ago
The next episode of the Ruby Gems podcast is out. Evan Phoenix joins us to talk Rubinius, Puma, Ruby Central, and much more.
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Evan Phoenix: From Rubinius to Ruby Central - The Ruby Gems Podcast
In this episode of the Ruby Gems Podcast, hosts David Hill and Marty Haught sit down with Evan Phoenix, a notable figure in the Ruby community. They discuss Evan's contributions in the Ruby space, inc...
https://www.buzzsprout.com/2509083/episodes/17558209-evan-phoenix-from-rubinius-to-ruby-central
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What more could you be looking for when your teams needs expert guidance on upgrading your Ruby on Rails app?! I highly recommend
@fastruby.bsky.social
and so does
@matz.bsky.social
π€©
add a skeleton here at some point
6 months ago
0
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Justin Bowen
Yukihiro Matz
6 months ago
Boringly Reliable
#Ruby
Upgrades are within reach with Bonsai by
@fastruby.bsky.social
The team behind `next_rails` and `skunk` offers gradual, 0-downtime upgrades, perfect for small engineering teams π
go.fastruby.io/1c9
#FastRuby
#TechDebt
#Maintenance
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Bonsai: Fixed-cost, Monthly Ruby Maintenance by FastRuby.io
Fixed-cost, maintenance services for Ruby applications: Make your application more maintainable, secure, and efficient every month
https://go.fastruby.io/1c9
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Justin Bowen
Irina Nazarova
6 months ago
Friends, recording of
@josevalim.bsky.social
speaking in SF about his new Tidewave vision for AI-assisted coding and the role of Elixir, Ruby, and server-centric frameworks is live! It was a very special night at Planet Scale:
youtu.be/sv0GsuAAWe8?...
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Justin Bowen
Kasper Timm Hansen
6 months ago
Spice your ERB up with some HERB π₯¬
add a skeleton here at some point
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Justin Bowen
Irina Nazarova
7 months ago
Speakers include the legends like
@obiefernandez.bsky.social
, Jeremy Evans,
@getajobmike.ruby.social.ap.brid.gy
Mike Perham, and Vladimir Dementyev, and new open source stars like
@marcoroth.dev
, Carmine Paolino, and
@tonsoffun.bsky.social
Justin Bowen, and many more!
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San Francisco Ruby Conference 2025
Join us for the San Francisco Ruby Conference 2025: Building the Future with Ruby. November 19-20 at Fort Mason, San Francisco.
https://sfruby.com
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Justin Bowen
Irina Nazarova
7 months ago
Early bird and Supporter tickets for the San Francisco Ruby Conference just went on sale!
lu.ma/sfrubyconf2025
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The San Francisco Ruby Conference β¦οΈ Β· Luma
Early bird and Supporter ticket sale opens on July 3 at 8 am Pacific! SF Ruby is excited to invite you to our premier event: the San Francisco Rubyβ¦
https://lu.ma/sfrubyconf2025
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Justin Bowen
Rachael Wright-Munn
6 months ago
I'll be speaking on what we can learn about DX from programming games at this one!β¨ I'm really excited!! It'll be about 600 ppl, and November 19-20 (with unofficial community events on 21st). Tickets are $450. Please come! β¨
add a skeleton here at some point
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Adrian Marin
6 months ago
I am the kind of person who needs to see someone use a thing in order for me to understand that thing. Sometimes reading the docs is not enough, so
@tonsoffun.bsky.social
gave me a white glove intro to Active Agent and I immediately knew that there is no other way of building with AI in Rails.
add a skeleton here at some point
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Justin Bowen
If youβre curious about Active Agent and building AI in Rails but havenβt had that 'aha' moment yetβ¦ This might do it π
www.youtube.com/watch?v=SnOC...
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Active Agent (AI Rails Framework) Demo / Pairing β¨ Let's Build Your First Agent in Ruby on Rails!
YouTube video by Active Agent - Build AI in Rails
https://www.youtube.com/watch?v=SnOCOfcH9rU
6 months ago
0
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Justin Bowen
Jeremy Smith
7 months ago
Today I released the initial version of my first-ever gem, called Active Operator. It's an extraction (and revision) of a pattern I've used for calling external APIs, and then storing and processing their responses. Here's an intro I did. βΊοΈ
www.youtube.com/watch?v=cFfz...
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Introducing Active Operator
YouTube video by Jeremy Smith
https://www.youtube.com/watch?v=cFfzpMxPxUo
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Kasper Timm Hansen
6 months ago
I'm thrilled to be bringing my workshop on how to deep-dive into Rails in person to SFRuby. Come join and let's get you upskilled π₯
add a skeleton here at some point
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I keep hearing: βIβve seen
@activeagents.ai
on Twitter, but I still donβt know what it does.β πͺ Including from
@adrianthedev.com
. So we got on a call & built an AI invoicing agent together. By the end: βOkay... now I REALLY get it!β Here's what finally clicked... π
6 months ago
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Justin Bowen
Mike Perham :sidekiq:
6 months ago
Any JavaScript-expert Sidekiq users want to help track us down a UI race condition?
https://github.com/sidekiq/sidekiq/issues/6768#issuecomment-3108598950
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Justin Bowen
Rhiannon Payne πππ
6 months ago
The team at
quiltt.io
is hiring for a full-time remote product engineer (Rails) with strong Sidekiq and React experience. Lmk if youβre interested and I can pass along your info to the CTO.
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The Unified Open Banking API Platform | Quiltt
At Quiltt, we're building the future of fintech infrastructure. We empower builders to create groundbreaking financial products by streamlining access to best-in-class data providers through a single,...
https://quiltt.io
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Justin Bowen
Kasper Timm Hansen
6 months ago
Next Tuesday come see how Oaken changes the game for Rails' apps dev and test data. Oaken is my take on factories, fixtures and seeds. I'll be showing what I've seen teams run into with each and how we can bring a more structured approach. Come join, we'll have a ball!
lu.ma/e9927y5m
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Fast Tests, Clear Datasets with Oaken: for fixtures + factories + seeds. Β· Zoom Β· Luma
Remember tests being fast? lol Your factories may have started easy, but now they're painful for your growing team. What about fixtures, could they save you?β¦
https://lu.ma/e9927y5m
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I make Jack Nicholson crazy faces when public speaking sometimes π
6 months ago
1
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Justin Bowen
Marco Roth
6 months ago
SF Bay Area Ruby Meetup at full swing at
@figma.com
today! π₯³
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