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In 2026, AI agents have become the default paradigm for automating complex workflows: DevOps orchestration, customer support, database triage, and e-commerce transactions. Yet, every engineering team deploying autonomous agents in production eventually hits the same brick wall: Crippling Latency: A standard 4-step tool chain ( think -> tool -> observe -> think ) easily burns 15 to 45 seconds . Brutal API Bills: Running that loop 50,000 times a day costs thousands of dol...

TL;DR — Marcás una async fn con @rpc y la llamás desde un componente .fitzv como si fuera local : let u = get_user(42).await? . El compilador genera las dos mitades desde esa única declaración — un endpoint POST /__rpc/get_user del lado server (que puede tocar la DB, auth, secrets) y un stub fetch del lado client — con el mismo type compartido back y front. Sin handler HTTP a mano, sin fetch , sin JSON glue, sin rutas escritas a mano, sin deps externas. (Parte 7 de la se...

TL;DR — Mark an async fn with @rpc and call it from a .fitzv component as if it were local : let u = get_user(42).await? . The compiler generates both halves from that one declaration — a POST /__rpc/get_user endpoint on the server (which can touch the DB, auth, secrets) and a fetch -based stub on the client — with the same type shared back and front. No hand-written HTTP handler, no fetch , no JSON glue, no route strings, no external deps. (Part 7 of the FitzLiveViews se...

Fresh Context Is Not Enough: An Agent Action Needs a Valid Chain Back to Its Decision AI Use Disclosure: I use AI tools to help research, organize, and refine these weekly notes. I review the underlying sources, decide which developments and arguments are worth including, and edit the final piece before publishing. This week's most interesting agent architecture question was not whether models have enough context, but whether a pending action is still justified by the state, evidenc...

This walkthrough deploys a simple Express API to Railway, sets env vars, and notes how to add a second service later for a queue worker. Disclosure: Some links are affiliate links. I may earn a commission at no extra cost to you. What you'll end up with A deployed Node/TS HTTP service HTTPS URL on Railway Env-based config ( PORT , DATABASE_URL , etc.) A clear path to add a worker process (BullMQ etc.) as a second service Companion repo Clone or for...

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A machine checked proof of the exhaustive boundaries of trust. I'll let the text carry the rest. Comments

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Feel free to tell what you plan on doing this weekend and even ask for help or feedback. Please keep in mind it’s more than OK to do nothing at all too!

Strong UX ideas do not secure investment on their own. Through a worked example, Alex Williams breaks down how to define business value, calculate costs, test causality, and build a credible case for the return on a design initiative. - UX - Design - Business

Article URL: https://www.bbc.com/news/articles/c8r6y4me2g6o Comments URL: https://news.ycombinator.com/item?id=49652105 Points: 261 # Comments: 266

Article URL: https://earendil.com/posts/measuring-code-sloppiness/ Comments URL: https://news.ycombinator.com/item?id=49658311 Points: 183 # Comments: 206

Article URL: https://huggingface.co/security.txt Comments URL: https://news.ycombinator.com/item?id=49659245 Points: 195 # Comments: 50

Article URL: https://rune.build/blog/rune-is-now-open-source Comments URL: https://news.ycombinator.com/item?id=49660149 Points: 71 # Comments: 20

Article URL: https://planetscale.com/blog/118-million-queries-per-second-on-neki Comments URL: https://news.ycombinator.com/item?id=49660555 Points: 66 # Comments: 31

Article URL: https://glacierextinction.com Comments URL: https://news.ycombinator.com/item?id=49660576 Points: 127 # Comments: 47

I wanted to share my side-project: gPTY. Started off as an idea to combine Godot and Rust in a project (two stacks I wanted to use more to learn more). The base inspiration was tmux - simply allow spawning multiple PTYs and then let the user grid/tile them how they see fit. But since we have the Godot game engine at our disposal, we can do some more interesting things, like add an FPS counter, and then subsequently also let people set their preferred FPS (the idea being the potential lower power...

Article URL: https://www.unslop.news/ Comments URL: https://news.ycombinator.com/item?id=49660783 Points: 123 # Comments: 54

Article URL: https://www.getzep.com/careers/ Comments URL: https://news.ycombinator.com/item?id=49661645 Points: 0 # Comments: 0

Article URL: https://www.science.org/content/article/mind-altering-drugs-played-key-role-rise-andean-civilization Comments URL: https://news.ycombinator.com/item?id=49662020 Points: 18 # Comments: 0

Article URL: https://snap.berkeley.edu/ Comments URL: https://news.ycombinator.com/item?id=49662214 Points: 52 # Comments: 29

Article URL: https://en.wikipedia.org/wiki/Room_641A Comments URL: https://news.ycombinator.com/item?id=49662367 Points: 65 # Comments: 11

https://terrytao.wordpress.com/2026/09/11/a-severe-misalignm... https://www.economist.com/science-and-technology/2026/09/11/... , https://unwall.app/www.economist.com/science-and-technology/... Comments URL: https://news.ycombinator.com/item?id=49662371 Points: 158 # Comments: 245

Article URL: https://github.com/paradise-runner/toast Comments URL: https://news.ycombinator.com/item?id=49662496 Points: 65 # Comments: 58

Article URL: https://capitalbnews.org/data-centers-permit-rules-epa/ Comments URL: https://news.ycombinator.com/item?id=49662672 Points: 137 # Comments: 87

Article URL: https://github.com/kennethwolters/litelm Comments URL: https://news.ycombinator.com/item?id=49662767 Points: 34 # Comments: 12

Article URL: https://github.com/GrapheneOS/Messaging/releases/tag/13 Comments URL: https://news.ycombinator.com/item?id=49663373 Points: 18 # Comments: 2

Timnit Gebru argues that AI companies are stoking fears of extinction to avoid discussing actual harms, like autonomous weapons.

Arizona, an epicenter for the bipartisan push to revive American chip manufacturing, is about to lose more than a quarter of the water it typically pulls each year from the Colorado River. The 1,400-mile waterway is a crucial lifeline for the region and other western states. A recent federal decision on how to manage its […]