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

https://openciv3.org/
625•klaussilveira•12h ago•182 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
927•xnx•18h ago•547 comments

What Is Ruliology?

https://writings.stephenwolfram.com/2026/01/what-is-ruliology/
33•helloplanets•4d ago•24 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
109•matheusalmeida•1d ago•27 comments

Jeffrey Snover: "Welcome to the Room"

https://www.jsnover.com/blog/2026/02/01/welcome-to-the-room/
10•kaonwarb•3d ago•7 comments

Unseen Footage of Atari Battlezone Arcade Cabinet Production

https://arcadeblogger.com/2026/02/02/unseen-footage-of-atari-battlezone-cabinet-production/
40•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
220•isitcontent•13h ago•25 comments

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

https://github.com/pydantic/monty
210•dmpetrov•13h ago•103 comments

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

https://vecti.com
322•vecti•15h ago•142 comments

Sheldon Brown's Bicycle Technical Info

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

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

https://github.com/microsoft/litebox
358•aktau•19h ago•181 comments

Hackers (1995) Animated Experience

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

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

https://eljojo.github.io/rememory/
272•eljojo•15h ago•161 comments

An Update on Heroku

https://www.heroku.com/blog/an-update-on-heroku/
402•lstoll•19h ago•271 comments

Dark Alley Mathematics

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

Vocal Guide – belt sing without killing yourself

https://jesperordrup.github.io/vocal-guide/
14•jesperordrup•3h ago•7 comments

Delimited Continuations vs. Lwt for Threads

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

PC Floppy Copy Protection: Vault Prolok

https://martypc.blogspot.com/2024/09/pc-floppy-copy-protection-vault-prolok.html
56•kmm•5d ago•3 comments

Start all of your commands with a comma

https://rhodesmill.org/brandon/2009/commands-with-comma/
3•theblazehen•2d ago•0 comments

Was Benoit Mandelbrot a hedgehog or a fox?

https://arxiv.org/abs/2602.01122
12•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/
244•i5heu•15h ago•189 comments

Introducing the Developer Knowledge API and MCP Server

https://developers.googleblog.com/introducing-the-developer-knowledge-api-and-mcp-server/
52•gfortaine•10h ago•21 comments

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

https://infisical.com/blog/devops-to-solutions-engineering
140•vmatsiiako•17h ago•63 comments

Understanding Neural Network, Visually

https://visualrambling.space/neural-network/
280•surprisetalk•3d ago•37 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/
1058•cdrnsf•22h ago•433 comments

Why I Joined OpenAI

https://www.brendangregg.com/blog/2026-02-07/why-i-joined-openai.html
133•SerCe•8h ago•117 comments

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

https://github.com/phreda4/r3
70•phreda4•12h ago•14 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•8h ago•11 comments

Learning from context is harder than we thought

https://hy.tencent.com/research/100025?langVersion=en
176•limoce•3d ago•96 comments

FORTH? Really!?

https://rescrv.net/w/2026/02/06/associative
63•rescrv•20h ago•22 comments
Open in hackernews

JSON-render: LLM-based JSON-to-UI tool

https://json-render.dev/
77•rickcarlino•1w ago

Comments

barbazoo•1w ago
This would be a dev time dependency I imagine? Team A provides the catalogue of components and product devs can vibe code their UI. This would also be good for prototype/design. Makes sense.
jauntywundrkind•1w ago
The json here is to ease the machine's ability to generate UI, but reciprocally it feels like this could also be a useful render tree that ai could read & fire actions on too.

There's some early exploration of using accessibility APIs to empower LLM's. This feels like it's sort of also a super simple & direct intermediate format, that maybe could be a more direct app model that LLMs could use.

More broadly it feels like we have a small forming crisis of computing having too many forms. We had cli tools, unix. Thenw we made gui's, which are yet another way to involve tools (and more). Then webapps where the page is what expresses tools (and more). Then react virtualized the page, supplanted dom. Now we have json that expresses views & tool calling. Also tools need to now be expressed as MCP as well, for ai to use it. Serverless and http and endless trpc and cap'n proto and protobuf ways to call functions/invoke tools. We keep making news ways to execute! Do we have value that each one is distinct, that they all have their own specific channels of execution, all distinct?

quinnjh•1w ago
> There's some early exploration of using accessibility APIs to empower LLM's.

any examples come to mind?

simonw•1w ago
The popular Playwright MCP uses the Chrome accessibility tree to help agents navigate websites: https://github.com/microsoft/playwright/blob/ed176022a63add8...
wincy•1w ago
I tried to have Cursor use the playwright MCP to click a few buttons on my project as a test and while it did do what I asked successfully, it burned through like 150 premium requests in 5 minutes.

I guess if you’re totally insensitive to the cost you can use this.

quinnjh•1w ago
thanks, somehow have used this and also been working in a11y and didnt put 2 and 2 together that its the same tech
jauntywundrkind•1w ago
Chris Shank & Orion Reed's work is always excellent. https://bsky.app/profile/chrisshank.com/post/3m3q23xpzkc2u
CuriouslyC•1w ago
MCPs are a dead end. CLIs are just better, already did all the things MCPs struggle with, and are human usable. Plus you can use bash or nushell to do all sorts of fun things with command output.
sails•1w ago
I’ve had some success building “text to dashboard” with this using vercel.

I use bash-tool and Vercel sandbox to generate charts (Echarts) or tables (Tanstack table) from json data, and then json-render to render the charts, tables and markdown into a dashboard.

zoom6628•1w ago
Please share as I would like to see what you have built.

What I like about this is that ides of a catalog which is what most business systems have in the form of their records and objects. Giving an AI accessible structure to this gets AI into the realm of the various 4GLs back in late 90s which made user created forms so much easier. Anybody remember that Informix 4GL for building simple apps from the db schema?

popalchemist•1w ago
Is it reliable/robust?
sails•1w ago
It is more robust than when I tried the exact thing with structured outputs API and gpt4 era models, it’s not perfect but surprisingly good
viraptor•1w ago
While is a cool idea on its own, I don't get why they try to reinvent it as a new system. We've got swagger, openapi, graphql and many other systems that already describe the APIs. They mostly include documentation too. Why not just expose those for the same effect? (If I was cynical, I'd guess Vercel wanting a proprietary thing of their own just for less portability)
css_apologist•1w ago
those describe server APIs

how would it relate to ui?

altern8•1w ago
OpenAPI is a superset of JSON Schema. You can look at properties in JSON Schema and turn that into UIs.

For instance, strings would get a text box, enums would get a dropdown, etc., with validation and everything.

Check this out as an example: https://prismatic.io/docs/jsonforms/playground/

altern8•1w ago
OpenAPI is great, there are a lot of tools to go from OpenAPI to UI, but you don't have a lot of control over the presentation.

For instance, you can specify that "first_name","last_name" and "email" are strings, but not that first/last name should be next to each other and email in its own row.

There are supersets of OpenAPI that can control the look and feel more. JSON Forms, for instance.

This is cool, too, though.

crubier•1w ago
OpenAPI, JsonSchema, GraphQL all describe *Data*.

This describes *User Interfaces*. The closest alternative would be to just return React JS code directly.

But this adds a layer of constraint and control, preventing LLMs to generate e.g. malicious React JS code.

viraptor•1w ago
Yeah, that's kind of what I mean. This way will always be restrictive and not flexible enough. We could get some style guidelines injected instead without other restrictions. Let people use all the API access possible instead.
grrowl•1w ago
It's the vercel way. There have been plenty of experiments leading up to this (even by vercel employees before they joined) but re-packaging it as "the" solution, rather than just a tool renderer from props (tool schema)
aaronbrethorst•1w ago
Neat. I’ve actually been planning on building a cut rate version of this for a project that I’ve been working on. Hopefully I can just use this instead :-)
h4ch1•1w ago
Also see: https://repalash.com/uiconfig.js/
flockonus•1w ago
While this is interesting i'd incentivize looking into `yaml` returns for LLMs, it's cheaper in terms of tokens and more closely aligned with direct English / markdown.
xr8•1w ago
Looks like A2UI from Google https://a2ui.org/ Though the catalog from json render seems more tightly coupled to the application