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Koog, a Kotlin-based framework to build and run Al agents in idiomatic Kotlin

https://github.com/JetBrains/koog
52•prof18•3d ago

Comments

wormius•4h ago
Why does this say Al, not AI? I have AI filtered in my adblock. Not cool VERY NOT COOL..
VladVladikoff•3h ago
Maybe you should put some AI in your Adblock so it works better.
jurmous•4h ago
I’m a Kotlin dev, and Koog feels like a breath of fresh air being able to spin up agents with a typesafe, Kotlin-native DSL is really nice. The magic for me is the ability to swap between OpenAI, Anthropic, or your own Llama with zero friction. Plus, the smart history compression already looks like it’ll save a ton on tokens, and the streaming + persistent memory hooks look nice too! Can’t wait to dig in and see how it holds up in a real project!

Ten Years of JSON Web Token and Preparing for the Future

https://self-issued.info/?p=2708
77•mooreds•3h ago•25 comments

You can choose tools that make you happy

https://borretti.me/article/you-can-choose-tools-that-make-you-happy
68•zdw•3d ago•22 comments

Open Source Society University – Path to a free self-taught education in CS

https://github.com/ossu/computer-science
203•saikatsg•9h ago•91 comments

Ask HN: What are you working on? (May 2025)

141•david927•7h ago•421 comments

Lottie is an open format for animated vector graphics

https://lottie.github.io/
258•marcodiego•11h ago•115 comments

Plwm – An X11 window manager written in Prolog

https://github.com/Seeker04/plwm
147•jedeusus•9h ago•34 comments

Chomsky on what ChatGPT is good for (2023)

https://chomsky.info/20230503-2/
144•mef•9h ago•181 comments

Writing your own CUPS printer driver in 100 lines of Python (2018)

https://behind.pretix.eu/2018/01/20/cups-driver/
144•todsacerdoti•10h ago•17 comments

Claude 4 System Card

https://simonwillison.net/2025/May/25/claude-4-system-card/
554•pvg•20h ago•212 comments

Lisping at JPL (2002)

https://flownet.com/gat/jpl-lisp.html
113•adityaathalye•3d ago•33 comments

Trading with Claude, and writing your own MCP server

https://dangelov.com/blog/trading-with-claude/
47•dangelov•3d ago•15 comments

At Amazon, some coders say their jobs have begun to resemble warehouse work

https://www.nytimes.com/2025/05/25/business/amazon-ai-coders.html
202•milkshakes•14h ago•323 comments

Whippet GC notes on Guile, heuristics, and heap growth

https://wingolog.org/archives/2025/05/22/whippet-lab-notebook-guile-heuristics-and-heap-growth
10•paroneayea•3d ago•0 comments

Koog, a Kotlin-based framework to build and run Al agents in idiomatic Kotlin

https://github.com/JetBrains/koog
52•prof18•3d ago•3 comments

Design Pressure: The Invisible Hand That Shapes Your Code

https://hynek.me/talks/design-pressure/
145•NeutralForest•12h ago•41 comments

Show HN: DaedalOS – Desktop Environment in the Browser

https://github.com/DustinBrett/daedalOS
124•DustinBrett•10h ago•25 comments

Writing a Self-Mutating x86_64 C Program (2013)

https://ephemeral.cx/2013/12/writing-a-self-mutating-x86_64-c-program/
80•kepler471•9h ago•22 comments

Show HN: Zli – A Batteries-Included CLI Framework for Zig

https://github.com/xcaeser/zli
65•caeser•9h ago•32 comments

CAPTCHAs are over (in ticketing)

https://behind.pretix.eu/2025/05/23/captchas-are-over/
117•pabs3•1d ago•166 comments

Tariffs in American History

https://imprimis.hillsdale.edu/tariffs-in-american-history/
94•smitty1e•1d ago•125 comments

Advice to Tenstorrent

https://github.com/geohot/tt-tiny
36•lexoj•5h ago•22 comments

Wrench Attacks: Physical attacks targeting cryptocurrency users (2024) [pdf]

https://drops.dagstuhl.de/storage/00lipics/lipics-vol316-aft2024/LIPIcs.AFT.2024.24/LIPIcs.AFT.2024.24.pdf
97•pulisse•14h ago•83 comments

Denmark to raise retirement age to 70

https://www.telegraph.co.uk/world-news/2025/05/23/denmark-raise-retirement-age-70/
303•wslh•10h ago•756 comments

Martin (YC S23) Is Hiring Founding AI/Product Engineers to Build a Better Siri

https://www.ycombinator.com/companies/martin/jobs
1•darweenist•9h ago

'Strange metals' point to a whole new way to understand electricity

https://www.science.org/content/article/strange-metals-point-whole-new-way-understand-electricity
108•pseudolus•12h ago•32 comments

Is TfL losing the battle against heat on the Victoria line?

https://www.swlondoner.co.uk/news/16052025-is-tfl-losing-the-battle-against-heat-on-the-victoria-line
77•zeristor•17h ago•149 comments

On File Formats

https://solhsa.com/oldernews2025.html#ON-FILE-FORMATS
123•ibobev•4d ago•78 comments

Show HN: SVG Animation Software

https://expressive.app/expressive-animator/
171•msarca•15h ago•83 comments

Dependency injection frameworks add confusion

http://rednafi.com/go/di_frameworks_bleh/
110•ingve•19h ago•130 comments

Now you can watch the Internet Archive preserve documents in real time

https://www.theverge.com/news/672682/internet-archive-microfiche-lo-fi-beats-channel
124•LorenDB•2d ago•10 comments