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OpenCiv3: Open-source, cross-platform reimagining of Civilization III

https://openciv3.org/
612•klaussilveira•12h ago•180 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
915•xnx•17h ago•545 comments

What Is Ruliology?

https://writings.stephenwolfram.com/2026/01/what-is-ruliology/
29•helloplanets•4d ago•22 comments

How we made geo joins 400× faster with H3 indexes

https://floedb.ai/blog/how-we-made-geo-joins-400-faster-with-h3-indexes
102•matheusalmeida•1d ago•24 comments

Unseen Footage of Atari Battlezone Arcade Cabinet Production

https://arcadeblogger.com/2026/02/02/unseen-footage-of-atari-battlezone-cabinet-production/
36•videotopia•4d ago•1 comments

Show HN: Look Ma, No Linux: Shell, App Installer, Vi, Cc on ESP32-S3 / BreezyBox

https://github.com/valdanylchuk/breezydemo
212•isitcontent•12h ago•25 comments

Jeffrey Snover: "Welcome to the Room"

https://www.jsnover.com/blog/2026/02/01/welcome-to-the-room/
5•kaonwarb•3d ago•1 comments

Monty: A minimal, secure Python interpreter written in Rust for use by AI

https://github.com/pydantic/monty
206•dmpetrov•12h ago•101 comments

Show HN: I spent 4 years building a UI design tool with only the features I use

https://vecti.com
316•vecti•14h ago•140 comments

Microsoft open-sources LiteBox, a security-focused library OS

https://github.com/microsoft/litebox
355•aktau•18h ago•181 comments

Sheldon Brown's Bicycle Technical Info

https://www.sheldonbrown.com/
361•ostacke•18h ago•94 comments

Hackers (1995) Animated Experience

https://hackers-1995.vercel.app/
471•todsacerdoti•20h ago•232 comments

Show HN: If you lose your memory, how to regain access to your computer?

https://eljojo.github.io/rememory/
267•eljojo•15h ago•157 comments

An Update on Heroku

https://www.heroku.com/blog/an-update-on-heroku/
400•lstoll•18h ago•271 comments

Delimited Continuations vs. Lwt for Threads

https://mirageos.org/blog/delimcc-vs-lwt
25•romes•4d ago•3 comments

Dark Alley Mathematics

https://blog.szczepan.org/blog/three-points/
82•quibono•4d ago•20 comments

PC Floppy Copy Protection: Vault Prolok

https://martypc.blogspot.com/2024/09/pc-floppy-copy-protection-vault-prolok.html
54•kmm•4d ago•3 comments

Was Benoit Mandelbrot a hedgehog or a fox?

https://arxiv.org/abs/2602.01122
9•bikenaga•3d ago•2 comments

How to effectively write quality code with AI

https://heidenstedt.org/posts/2026/how-to-effectively-write-quality-code-with-ai/
242•i5heu•15h ago•183 comments

Introducing the Developer Knowledge API and MCP Server

https://developers.googleblog.com/introducing-the-developer-knowledge-api-and-mcp-server/
51•gfortaine•10h ago•16 comments

I spent 5 years in DevOps – Solutions engineering gave me what I was missing

https://infisical.com/blog/devops-to-solutions-engineering
138•vmatsiiako•17h ago•60 comments

Understanding Neural Network, Visually

https://visualrambling.space/neural-network/
275•surprisetalk•3d ago•37 comments

Show HN: R3forth, a ColorForth-inspired language with a tiny VM

https://github.com/phreda4/r3
68•phreda4•11h ago•13 comments

I now assume that all ads on Apple news are scams

https://kirkville.com/i-now-assume-that-all-ads-on-apple-news-are-scams/
1052•cdrnsf•21h ago•433 comments

Why I Joined OpenAI

https://www.brendangregg.com/blog/2026-02-07/why-i-joined-openai.html
127•SerCe•8h ago•111 comments

Female Asian Elephant Calf Born at the Smithsonian National Zoo

https://www.si.edu/newsdesk/releases/female-asian-elephant-calf-born-smithsonians-national-zoo-an...
28•gmays•7h ago•10 comments

Learning from context is harder than we thought

https://hy.tencent.com/research/100025?langVersion=en
173•limoce•3d ago•93 comments

Vocal Guide – belt sing without killing yourself

https://jesperordrup.github.io/vocal-guide/
7•jesperordrup•2h ago•4 comments

FORTH? Really!?

https://rescrv.net/w/2026/02/06/associative
61•rescrv•20h ago•22 comments

Zlob.h 100% POSIX and glibc compatible globbing lib that is faste and better

https://github.com/dmtrKovalenko/zlob
17•neogoose•4h ago•9 comments
Open in hackernews

Show HN: Trieve CLI – Terminal-based LLM agent loop with search tool for PDFs

https://github.com/devflowinc/trieve/tree/main/clients/cli
35•skeptrune•7mo ago
Hi HN,

I built a CLI for uploading documents and querying them with an LLM agent that uses search tools rather than stuffing everything into the context window. I recorded a demo using the CrossFit 2025 rulebook that shows how this approach compares to traditional RAG and direct context injection[1].

The core insight is that LLMs running in loops with tool access are unreasonably effective at this kind of knowledge retrieval task[2]. Instead of hoping the right chunks make it into your context, the agent can iteratively search, refine queries, and reason about what it finds.

The CLI handles the full workflow:

```bash

trieve upload ./document.pdf

trieve ask "What are the key findings?"

```

You can customize the RAG behavior, check upload status, and the responses stream back with expandable source references. I really enjoy having this workflow available in the terminal and I'm curious if others find this paradigm as compelling as I do.

Considering adding more commands and customization options if there's interest. The tool is free for up to 1k document chunks.

Source code is on GitHub[3] and available via npm[4].

Would love any feedback on the approach or CLI design!

[1]: https://www.youtube.com/watch?v=SAV-esDsRUk [2]: https://news.ycombinator.com/item?id=43998472 [3]: https://github.com/devflowinc/trieve/blob/main/clients/cli/i... [4]: https://www.npmjs.com/package/trieve-cli

Comments

jlarocco•7mo ago
I don't really understand the point of it. It seems like a very shallow replacement for skimming (or god forbid reading) the paper, without the benefit of absorbing any of the material yourself.

I have the same critique for a lot of AI tools. We're replacing the meaningful parts of content creation and consumption with a computer so we can pass it off as having created or understood it ourselves. It just seems pointless.

skeptrune•7mo ago
Sometimes you just want a quick answer to a question though. I agree that tools like this aren't something I'd use to consume some content I'm actually interested in or produce something I think of as high quality.

However, I also want to flag that the cool part about the agent loop is that it feels less like skimming since you can watch the LLM search, evaluate results, search again, evaluate results, and repeat until it's happy that it has enough information to actually answer.

behnamoh•7mo ago
Your comment got me thinking about what it really means to understand something. Is it just about remembering the facts or the ideas? Or is it more about being aware of them? I’ve watched a ton of YouTube videos and read a bunch of articles about physics, but I can’t remember how to derive those equations a few weeks later. So, I don’t feel like I really understand them. But if I have an idea about how to do it, how much of it is just memory, and how much is actually understanding the concept? That’s been a question I’ve been thinking about for a long time. With all the AI stuff, we’ve figured out how to deal with the memory part, so we don’t have to rely on our own memories as much. But that still leaves the question: what does understanding really mean?
dingnuts•7mo ago
I've thought about this a lot in the context of "why do I need to learn facts when I can just look them up?"

Understanding a concept means you are able to use it in higher order reasoning. Think about the rote practice necessary to build intuition in mathematics until you're able to use the concept being learned for the next concept which in turn relies on it.

Once that intuition is built, that's understanding.

BeetleB•7mo ago
> It seems like a very shallow replacement for skimming

Actually, I think we have it all backwards. We're taught to skim because such tools didn't exist. Once (if!) they are reliable enough, skimming should become a dead art, like shorthand is.

One should know how to read well (in detail), when one needs to. Everything else can be delegated. Indeed, this is why people in high positions don't skim - they can afford secretaries and underlings to do the skimming for them.