Stan Lo
st0012.dev
Stan Lo
@st0012.dev
Ruby committer working on various projects to improve Ruby’s developer experience: rdoc, irb, ruby-lsp, ruby-lsp-rspec
@Shopify Ruby DX
Pistol Squat ✅
November 3, 2025 at 12:55 AM
Finally got a full #frontlever after entire year of training 😵

Skill difficulties from my experience: frontlever >> one arm pullup >>>>> muscle up
August 11, 2025 at 11:20 AM
Never imagined I could do a 200% bodyweight pull-up (my weight + 60 kg plates) even in my early twenties—yet at 31, I got it today 😛
June 20, 2025 at 8:20 PM
Got my first human-flag at #rubykaigi 😂
April 17, 2025 at 10:01 AM
7 months of training got me 4s of front-lever hold
April 4, 2025 at 5:26 PM
Spent my weekend improving the Ruby MCP prototype to allow:
- Fuzzy searching classes
- Query class details like ancestors, methods, definitions
- Query method details like params, owner, and comments
Will try to get it released as experimental feature before RubyKaigi 😁
March 31, 2025 at 6:25 PM
PoC: A Ruby MCP server (powered by Ruby LSP) interacting with the Cursor agent.

Ruby MCP can provide your project's:
- Dependencies
- Indexed classes/modules/methods
- Runtime info (powered by a Rails add-on)
- Anything else supported by other add-ons
to the client.

Thoughts?
March 21, 2025 at 12:07 AM
A bit closer now
February 13, 2025 at 1:00 PM
Front lever is hard 😅

#calisthenics
#frontlever
January 25, 2025 at 3:54 PM
Almost got this combo (almost because my front-lever dipped). It’d be amazing if I can get it before Ruby 3.4’s release at Christmas 😁
December 15, 2024 at 8:08 PM
That brief 1 second took me 3 months. Taking it to 10s will be a battle 😬

#calisthenics
November 26, 2024 at 6:56 PM
Earlier this week, RDoc and docs.ruby-lang.org received a great contribution from Alexis Bernard (@alexis_bernard on Twitter): An ancestors list in the class page's sidebar!

Once we added a similar section for descendants, navigating between classes will be a much smoother experience.
November 9, 2024 at 6:07 AM