Ed Stephinson
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edjs.dev
Ed Stephinson
@edjs.dev
210 followers 410 following 210 posts
Engineer, floundering fool etc. I play with LLMs for work.

Co-founder of @sailhouse.dev, ex @netlify.com
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edjs.dev
July 5, 2025 at 10:43 PM
edjs.dev
Feel like Mark Baum in the big short seeing a prompt builder in my mouse software.
Screenshot of Logi Options, with a "Logi AI Prompt Builder" popup offering the chance to access ChatGPT directly from where you're working.
April 28, 2025 at 10:25 AM
edjs.dev
Dog had a good day at daycare
April 3, 2025 at 6:52 PM
edjs.dev
Lovely day to turn older
Saluki/Greyhound cross called Ruby sat on our balcony in the sun & blue skys
March 20, 2025 at 11:30 AM
edjs.dev
@raycast.com have cooked
Screenshot of a Raycast AI chat window on a colorful gradient background. The user asked '@calendar what collection is it this week' and received the response 'This week, the collection event scheduled is: Domestic recycling collection on Thursday, 6th March 2025.' The interface shows feedback options asking if the request was successful.
March 5, 2025 at 10:27 PM
edjs.dev
Working on ingest perf for sailhouse.dev, quite happy with the fact the SSL handshake is by far the largest component (yay me), but also equally frustrated that I can't guarantee sub-100ms HTTP ingest because of this.
A performance metrics screen showing network timing data. The list includes DNS Resolution Time (3ms), Connection Time (17ms), SSL Handshake Time (68ms), Headers Response Time (11ms), and Total Response Time (99ms). The metrics are displayed in white text on a dark background.
January 25, 2025 at 5:34 PM
edjs.dev
January 24, 2025 at 5:32 PM
edjs.dev
What in the McCarthy is this?
January 22, 2025 at 11:31 PM
edjs.dev
It's been about 10 years since I last tried to build a game engine toolchain so why not now? A break from LLMs atleast (or is it)
January 18, 2025 at 4:45 PM
edjs.dev
‘Twas cold yesterday
January 12, 2025 at 3:27 PM
edjs.dev
GCP outage mascot
January 8, 2025 at 5:26 PM
edjs.dev
Traumatised flashback meme with a small puppy in ‘Nam
January 7, 2025 at 12:01 AM
edjs.dev
Finally
January 5, 2025 at 2:42 PM
edjs.dev
Gonna leave this notification to see what other characters Streeting ends up defending.

AI is lossy
January 5, 2025 at 2:11 PM
edjs.dev
🤔
Screenshot of AI generated notification summary on iOS saying “Wes Streeting defends Nigel Farage; Laura Kuenssberg interviews Health Secretary, Reform UK leader, and shadow home secretary.”
January 5, 2025 at 9:52 AM
edjs.dev
January 1, 2025 at 12:42 AM
edjs.dev
I honestly didn’t expect Hampstead Heath to pop off on New Year’s Eve - but it was perfect
January 1, 2025 at 12:41 AM
edjs.dev
Lovely day for it.
Picture of a lurcher, Ruby, walking in front of Boudicea’s grave on Hampstead heath
November 26, 2024 at 1:47 PM
edjs.dev
Homophobia is rampant in London.
November 23, 2024 at 10:06 PM
edjs.dev
Apple intelligence has a knack for taking the trials of emergency worker shifts and spinning them into a sad state of affairs.
Screenshot of a notification summary from apple intelligence reading “Received a job offer in London, then cancelled and sent to Barnet.”
November 22, 2024 at 9:46 AM
edjs.dev
For any of my friends across the pond in a bit of despair here’s a picture of Ruby with her tooth stuck.
November 6, 2024 at 7:25 PM
edjs.dev
The week off, in the sun, with the dog, has been absolutely fantastic
May 25, 2023 at 1:55 PM
edjs.dev
384 horse power coupes can be practical
A 4 series BMW, with a wired lawn mower (in original packaging) squeezed onto the passenger seat, as it would not fit in the boot.
May 21, 2023 at 3:18 PM
edjs.dev
Week off let’s goooo.

Let’s hope it’s not a reinstall slack speed run challenge
May 21, 2023 at 8:53 AM
edjs.dev
Not playing wow but still playing games and I turn to LOOK AT THIS FACE
Very cute picture of a brindle Saluki x Greyhound called Ruby, who is in her bed with her head resting on the edge looking up to me.
May 14, 2023 at 8:03 PM