How to force AI agents to use an egress proxy
How we make a proxy the only way out of an AI agent sandbox.
SimEdw's Blog
Personal blog by Simon Edwardsson - dd if=/dev/me of=/simedw.com
Latest posts
Building a Magic Eye Generator and Decoder
Magic Eye autostereograms encode depth using repeated pixel patterns. This post shows how to generate them and how to recover the depth map.
A 9M-parameter Mandarin pronunciation tutor
Mandarin pronunciation is hard, so I trained a 9M-parameter CTC model on 300 hours of speech to grade my pronunciation. It runs entirely on-device.
Coding Agents are Good First-Time User Testers
Coding agents encode years of software conventions. Their confusion is often a signal that your interface is asking too much of a new user.
Learning a Language Using Only Words You Already Know
LangSeed is a proof-of-concept language learning app that defines new words using only the vocabulary you already know, with emojis bridging semantic gaps
You need an #ideation channel
Product decisions shouldn't be democratic, but great ideas can come from anywhere.
Is Gemini 2.5 good at bounding boxes? Sort of...
I decided to write a small benchmark and check Gemini 2.5 performance on MS-COCO, focusing on object detection.
Books are malleable
What if we could modify books as easily as we tweak open-source software? Perhaps we already can.
Spegel - A Terminal Browser That Uses LLMs to Rewrite Webpages
Spegel is a proof-of-concept terminal web browser that feeds HTML through an LLM before serving it as markdown in the terminal.
Hello world
For the past few years, I've primarily shared my (subjectively cool) proof-of-concepts and various tech experiments exclusively with coworkers and close friends…