Marcel Hauri

37 Followers
62 Following
47 Posts

Developer Experience Engineer, focusing on improving the tools, processes, and infrastructure that developers rely on every day

https://notes.hauri.dev

Webseitehttps://notes.hauri.dev

A misfiring Microsoft Copilot key accidentally launched a mechanical keyboard obsession that ended with eyeing a $200 upgrade after buying an $80 board specifically to avoid spending real money.

https://notes.hauri.dev/down-the-keyboard-rabbit-hole/

Down the Keyboard Rabbit Hole

A job switch in January, a Microsoft Copilot key, and a YouTube rabbit hole led me to buy an iQunix A80 secondhand to test if I'm a mechanical keyboard person. Verdict still pending.

Notes

When AI agents become your developers main collaborators, your internal tooling quality matters twice as much. Audit your DX as if an agent has to navigate it alone.

https://www.builder.io/blog/agent-experience

#developerExperience #AgentExperience

Agent experience is the new developer experience

Developer experience is giving way to agent experience: context, deterministic environments, verification, and safety for reliable AI coding workflows.

Builder.io

Anthropic spent a year lobbying for government power to pull dangerous AI models, then got their own model yanked over a jailbreak that amounts to asking it to read code and fix bugs.

https://notes.hauri.dev/the-government-pulled-fable-5/

The government pulled Fable 5

Anthropic says the jailbreak evidence "essentially consists of asking the model to read a specific codebase and fix any software flaws." GPT-5.5 does the same thing. And Anthropic spent the last year asking for exactly this kind of government authority.

Notes

Claude built a playable Swiss train sim with physics, sound, and weather in one shot, but six dollars and a pile of real locomotive photos later, it still could not draw a decent train.

https://notes.hauri.dev/claude-fable-5-built-me-a-web-based-swiss-train-simulator/

#claude #fable5

Claude Fable 5 Built Me a Web based Swiss Train Simulator

One prompt, two iterations, and $6 later ,working physics, working sound, and a locomotive that looked nothing like the real thing.

Notes

Your AI news feed doesn't need an app, a subscription, or even a browser tab if your note-taking tool can just fetch it for you.

https://notes.hauri.dev/my-ai-news-inbox-lives-in-my-obsidian-daily-note/

My AI news inbox lives in my Obsidian Daily Note

An n8n workflow pulls yesterday's top AI stories from Hacker News every morning and drops them straight into my Obsidian Daily Note, so AI news shows up in the file I open anyway, instead of yet another app or newsletter.

Notes

Anthropic quietly built Claude Fable 5 to silently sabotage your prompts if you're working on frontier AI, and it won't even tell you it's doing it.

https://notes.hauri.dev/claude-fable-5-will-silently-work-against-you-if-youre-building-ai/

Claude Fable 5 will silently work against you if you're building AI

Buried in the Fable 5 model card is a quiet admission that the model will degrade its own responses if it thinks you're working on competing AI infrastructure, and it won't tell you when it does.

Notes

Let me be blunt here: you can't multitask. Neither can I. Nobody can.

What we call multitasking is really just context switching really fast, and every switch has a cost. It's like running too many applications on a computer with insufficient RAM - everything runs slower because the system keeps swapping things in and out of memory.

https://blog.pragmaticdx.com/p/the-problem-of-interruptions

#dx #devex #DeveloperExperience #devops

The Problem of Interruptions

We like to think multitasking makes us efficient, but the opposite is true. Every interruption fractures attention, derails complex thinking, and turns deep work into shallow busywork.

Pragmatic Developer Experience

API flaws in the McDonald’s McDelivery system in India, one of the world’s most popular food delivery apps, enabled a variety of fun exploits 😲

https://eaton-works.com/2024/12/19/mcdelivery-india-hack/

I’m Lovin’ It: Exploiting McDonald’s APIs to hijack deliveries and order food for a penny

A series of API flaws in McDelivery India made it possible to order food for a penny, hijack other people’s delivery orders, view user information, and more.

Kennt jemand ein günstiges Container-Hosting für kleine Projekte? Anforderungen: einfache Einrichtung, zuverlässig und preiswert. Tipps gerne her! #docker #DevOps

iTerm2 version 3.5.11 fixes a critical SSH integration vulnerability that could expose sensitive data, making an immediate update essential.

https://marcelhauri.ch/blog/critical-security-fix-in-iterm2

Critical Security Fix in iTerm2 | Marcel Hauri

iTerm2 version 3.5.11 fixes a critical SSH integration vulnerability that could expose sensitive data, making an immediate update essential.

Marcel Hauri