391
Context Engineering for AI Agents: Lessons
This post shares the local optima Manus arrived at through our own "SGD". If you're building your own AI agent, we hope these principles help you converge faster.
Most cited
Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 573 posts.
392
Swedish Campground (2004)
We thought it was important for the user to be able to invoke every menu command directly from the keyboard, so we added a special key to the keyboard to invoke menu commands, just like our predecessor, Lisa. We called it the "Apple key"; when pressed in combination with another key, it selected the corresponding menu…
393
It’s OK to block ads (2015)
Over the past couple of months, the practice of ad blocking has received heightened ethical scrutiny. (1,2,3,4) If you’re unfamiliar with the term, “ad blocking” refers to software—usually web browser plug-ins, but increasingly mobile apps—that stop most ads from appearing when you use websites or apps that would…
394
New prompt injection papers: Agents rule of two and the attacker moves second
Two interesting new papers regarding LLM security and prompt injection came to my attention this weekend. Agents Rule of Two: A Practical Approach to AI Agent Security The first is …
395
Zig 0.15.1
Zig is a general-purpose programming language and toolchain for maintaining robust , optimal , and reusable software.
396
Pizlix: Memory Safe Linux from Scratch
Pizlix is LFS (Linux From Scratch) 12.2 with some added components, where userland is compiled with Fil-C. This means you get the most memory safe Linux-like OS currently available.
397
What if we made advertising illegal?
What if we banned all advertising? Not regulate it—abolish it. This proposal would transform manipulation machines, and maybe save democracy itself. A thought experiment worth considering.
398
Stoop Coffee: A simple idea transformed my neighborhood
Editor’s note: This is a guest post from Patty Smith.
399
F-Droid and Google’s developer registration decree
For the past 15 years, F-Droid has provided a safe and secure haven for Android users around the world to find and install free and open source apps. When co...
400
It is no longer safe to move our governments and societies to US clouds
The very short version: it is madness to continue transferring the running of European societies and governments to American clouds. Not only is it a terrible idea given the kind of things the “King of America” keeps saying, the legal sophistry used to justify such transfers, like the nonsense letter the Dutch cabinet…
401
I Went to SQL Injection Court
Chicago argued that answering a FOIA request with a database query means creating a new record. Matt Chapman sued, I wound up on the stand explaining SQL, and now there's a bill to fix it.
402
That Secret Service SIM farm story is bogus
It's just normal crime
403
I am rich and have no idea what to do
Life has been a haze this last year. After selling my company, I find myself in the totally un-relatable position of never having to work again. Everything feels like a side quest, but not in an inspiring way. I don’t have the same base desires driving me to make money or gain status. I have infinite freedom, yet I…
404
Gemini Robotics
Introducing Gemini Robotics and Gemini Robotics-ER, AI models designed for robots to understand, act and react to the physical world.
405
The DuckDB Local UI
The DuckDB team and MotherDuck are excited to announce the release of a local UI for DuckDB shipped as part of the ui extension.
406
How I program with LLMs
This document is a summary of my personal experiences using generative models while programming over the past year. It has not been a passive process. I have intentionally sought ways to use LLMs while programming to learn about them. The result has been that I now regularly use LLMs while working and I consider their…
407
iPhone Air
Apple today debuted the all-new iPhone Air, the thinnest iPhone ever made, with pro performance.
408
Icons in Menus Everywhere – Send Help
I complained about this on the socials , but I didn’t get it all out of my system. So now I write a blog post. I’ve never liked the philosophy of “put an icon…
409
America underestimates the difficulty of bringing manufacturing back
On April 2nd, 2025, our president announced major new taxes on imports from foreign countries (“tariffs”), ranging from 10% to 49%. The stated goal is to bring manufacturing back to the United States and to “make America wealthy again”. These tariffs will not work. In fact, they may even do the opp
410
Can LLMs write better code if you keep asking them to “write better code”?
Most coders want AI to write code faster: I want AI to write FASTER CODE.
411
Jemalloc Postmortem
The jemalloc memory allocator was first conceived in early 2004, and hasbeen in public use for about 20 years now. Thanks to the nature of open source software licensing,jemalloc will remain publicly available indefinitely. But active upstream development has come to anend. This post briefly desc...
412
The Future of Htmx
In this essay, Carson Gross and Alex Petros discuss htmx's future direction and philosophy. They explain how the project aims to emulate jQuery's success through API stability, minimal feature additions, and quarterly releases while continuing to promote hypermedia-driven development and support the broader web…
413
Smuggling arbitrary data through an emoji
With ZWJ (Zero Width Joiner) sequences you could in theory encode an unlimited amount of data in a single emoji.
414
Google Antigravity exfiltrates data via indirect prompt injection attack
An indirect prompt injection in an implementation blog can manipulate Antigravity to invoke a malicious browser subagent in order to steal credentials and sensitive code from a user’s IDE.
415
Zed: High-performance AI Code Editor
From the Zed Blog: Zed is now the world's fastest AI code editor. What's more, Zed's new AI features are also open-source, just like the whole editor.
416
Mistral releases Devstral2 and Mistral Vibe CLI
The most powerful AI platform for enterprises. Customize, fine-tune, and deploy AI assistants, autonomous agents, and multimodal AI with open models.
417
VSCode’s SSH agent is bananas
Documentation and guides from the team at Fly.io.
418
PSF has withdrawn $1.5M proposal to US Government grant program
In January 2025, the PSF submitted a proposal to the US government National Science Foundation under the Safety, Security, and Privacy of Open Source Ecosystems program to address structural vulnerabilities in Python and PyPI. It was the PSF’s first time applying for government funding, and navigating the intensive…
419
ETH Zurich and EPFL to release a LLM developed on public infrastructure
ETH Zurich and EPFL will release a large language model (LLM) developed on public infrastructure. Trained on the “Alps” supercomputer at the Swiss National Supercomputing Centre (CSCS), the new LLM marks a milestone in open-source AI and multilingual excellence.
420
Waymo has received our pilot permit allowing for commercial operations at SFO
The latest news, updates, and stories from Waymo.