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Brookhaven Lab's RHIC concludes 25-year run with final collisions

https://www.hpcwire.com/off-the-wire/brookhaven-labs-rhic-concludes-25-year-run-with-final-collis...
20•gnufx•2h ago•8 comments

SectorC: A C Compiler in 512 bytes

https://xorvoid.com/sectorc.html
61•valyala•3h ago•12 comments

I write games in C (yes, C)

https://jonathanwhiting.com/writing/blog/games_in_c/
105•valyala•3h ago•81 comments

Speed up responses with fast mode

https://code.claude.com/docs/en/fast-mode
36•surprisetalk•3h ago•43 comments

Software factories and the agentic moment

https://factory.strongdm.ai/
75•mellosouls•6h ago•147 comments

Hoot: Scheme on WebAssembly

https://www.spritely.institute/hoot/
138•AlexeyBrin•8h ago•26 comments

Stories from 25 Years of Software Development

https://susam.net/twenty-five-years-of-computing.html
86•vinhnx•6h ago•11 comments

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

https://openciv3.org/
846•klaussilveira•23h ago•253 comments

First Proof

https://arxiv.org/abs/2602.05192
60•samasblack•5h ago•49 comments

The F Word

http://muratbuffalo.blogspot.com/2026/02/friction.html
14•zdw•3d ago•0 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
1080•xnx•1d ago•615 comments

Al Lowe on model trains, funny deaths and working with Disney

https://spillhistorie.no/2026/02/06/interview-with-sierra-veteran-al-lowe/
59•thelok•5h ago•8 comments

Reinforcement Learning from Human Feedback

https://rlhfbook.com/
88•onurkanbkrc•8h ago•5 comments

Start all of your commands with a comma (2009)

https://rhodesmill.org/brandon/2009/commands-with-comma/
509•theblazehen•3d ago•188 comments

Vocal Guide – belt sing without killing yourself

https://jesperordrup.github.io/vocal-guide/
226•jesperordrup•13h ago•80 comments

Microsoft account bugs locked me out of Notepad – Are thin clients ruining PCs?

https://www.windowscentral.com/microsoft/windows-11/windows-locked-me-out-of-notepad-is-the-thin-...
34•josephcsible•1h ago•26 comments

We mourn our craft

https://nolanlawson.com/2026/02/07/we-mourn-our-craft/
298•ColinWright•2h ago•353 comments

Show HN: I saw this cool navigation reveal, so I made a simple HTML+CSS version

https://github.com/Momciloo/fun-with-clip-path
21•momciloo•3h ago•2 comments

Coding agents have replaced every framework I used

https://blog.alaindichiappari.dev/p/software-engineering-is-back
246•alainrk•8h ago•393 comments

72M Points of Interest

https://tech.marksblogg.com/overture-places-pois.html
34•marklit•5d ago•6 comments

France's homegrown open source online office suite

https://github.com/suitenumerique
601•nar001•7h ago•264 comments

Selection Rather Than Prediction

https://voratiq.com/blog/selection-rather-than-prediction/
11•languid-photic•3d ago•4 comments

The AI boom is causing shortages everywhere else

https://www.washingtonpost.com/technology/2026/02/07/ai-spending-economy-shortages/
172•1vuio0pswjnm7•9h ago•233 comments

A Fresh Look at IBM 3270 Information Display System

https://www.rs-online.com/designspark/a-fresh-look-at-ibm-3270-information-display-system
43•rbanffy•4d ago•9 comments

Unseen Footage of Atari Battlezone Arcade Cabinet Production

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

History and Timeline of the Proco Rat Pedal (2021)

https://web.archive.org/web/20211030011207/https://thejhsshow.com/articles/history-and-timeline-o...
20•brudgers•5d ago•4 comments

Show HN: Kappal – CLI to Run Docker Compose YML on Kubernetes for Local Dev

https://github.com/sandys/kappal
27•sandGorgon•2d ago•14 comments

Where did all the starships go?

https://www.datawrapper.de/blog/science-fiction-decline
89•speckx•4d ago•99 comments

Learning from context is harder than we thought

https://hy.tencent.com/research/100025?langVersion=en
207•limoce•4d ago•113 comments

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

https://github.com/valdanylchuk/breezydemo
282•isitcontent•23h ago•38 comments
Open in hackernews

MCP tools with dependent types

https://vlaaad.github.io/mcp-tools-with-dependent-types
73•vlaaad•5mo ago

Comments

vlaaad•5mo ago
I was considering making an MCP SEP (specification enhancement proposal) — https://modelcontextprotocol.io/community/sep-guidelines, though I'm curious if other MCP tinkerers feel the issue exists, should be solved like that, etc. What do you think?
LudwigNagasena•5mo ago
> there is no way to tell the AI agent “for this argument, look up a JSON schema using this other tool”

There is a description field, it seems sufficient for most cases. You can also dynamically change your tools using `listChanged` capability.

vlaaad•5mo ago
Sure, but the need for accuracy will only increase; there is a difference between suggesting an LLM to put a schema in its context before calling the tool vs forcing the LLM to use a structured output returned from a tool dynamically.

We already have 100% reliable structured outputs if we are making chatbots with LLM integrations directly; I don't want to lose this.

WithinReason•5mo ago
And LLMs will get more accurate. What happens when the LLM uses the wrong parameters? If it's an immediate error then it will just try again, no need for protocol changes, just better LLMs.
vlaaad•5mo ago
The difference between 99% reliability and 100% reliability is huge in this case.
WithinReason•5mo ago
I misunderstood the problem then, I thought it would take only a few seconds for the LLM to issue the call, see the error, fix the call.
wahnfrieden•5mo ago
Big waste of context
jtbayly•5mo ago
Last time I used Gemini CLI it still couldn’t consistently edit a file. That was just a few weeks ago. In fact, it would go into a loop attempting the same edit, burning through many thousands of tokens and calls in the process, re-reading the file, attempting the same edit, rinse, repeat until I stopped it.

I didn’t find it entertaining.

nmilo•5mo ago
I don't think this is a protocol issue, the LLMs simply weren't RLHFed to do that
vlaaad•5mo ago
Not true, structured outputs enforce output formats with 100% reliability, e.g., https://platform.openai.com/docs/guides/structured-outputs says "Structured Outputs is a feature that ensures the model will always generate responses that adhere to your supplied JSON Schema, so you don't need to worry about the model omitting a required key, or hallucinating an invalid enum value"
dvse•5mo ago
This is already supported via listChanged. The problem is that >90% of clients currently don’t implement this - including Anthropic’s, https://modelcontextprotocol.io/clients
matt-smith•5mo ago
The Arazzo specification[0] (from OpenAPI contributors) aims to solve the dependent arguments issue by introducing the concept of a "runtime expressions"[1] within a series of independent tool calls which compose a workflow.

[0] - https://www.openapis.org/arazzo-specification [1] - https://spec.openapis.org/arazzo/v1.0.1.html#runtime-express...

jonfw•5mo ago
I have a blog post here that has an example of dynamically changing the tool list- https://jonwoodlief.com/rest3-mcp.html.

In this situation, I would have a tool called "request ability to edit GLTF". I This would trigger an addition to the tool list specifically for your desired GLTF. The model would send the "tool list changed' notification and now the LLM would have access.

If you want to do it without the tool list changed notification ability, I'd have two tools, get schema for GLTF, and edit GLTF with schema. If you note that the get schema is a dependency for edit, the LLM could probably plumb that together on it's own fairly well

You could probably also support this workflow using sampling.

spullara•5mo ago
do any of the clients support this? I have some dynamic mcps and it doesn't seem like claude.ai supports for example.