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Show HN: Poddley.com – Follow people, not podcasts

https://poddley.com/guests/ana-kasparian/episodes
1•onesandofgrain•4m ago•0 comments

Layoffs Surge 118% in January – The Highest Since 2009

https://www.cnbc.com/2026/02/05/layoff-and-hiring-announcements-hit-their-worst-january-levels-si...
2•karakoram•4m ago•0 comments

Papyrus 114: Homer's Iliad

https://p114.homemade.systems/
1•mwenge•4m ago•1 comments

DicePit – Real-time multiplayer Knucklebones in the browser

https://dicepit.pages.dev/
1•r1z4•4m ago•1 comments

Turn-Based Structural Triggers: Prompt-Free Backdoors in Multi-Turn LLMs

https://arxiv.org/abs/2601.14340
2•PaulHoule•6m ago•0 comments

Show HN: AI Agent Tool That Keeps You in the Loop

https://github.com/dshearer/misatay
2•dshearer•7m ago•0 comments

Why Every R Package Wrapping External Tools Needs a Sitrep() Function

https://drmowinckels.io/blog/2026/sitrep-functions/
1•todsacerdoti•8m ago•0 comments

Achieving Ultra-Fast AI Chat Widgets

https://www.cjroth.com/blog/2026-02-06-chat-widgets
1•thoughtfulchris•9m ago•0 comments

Show HN: Runtime Fence – Kill switch for AI agents

https://github.com/RunTimeAdmin/ai-agent-killswitch
1•ccie14019•12m ago•1 comments

Researchers surprised by the brain benefits of cannabis usage in adults over 40

https://nypost.com/2026/02/07/health/cannabis-may-benefit-aging-brains-study-finds/
1•SirLJ•14m ago•0 comments

Peter Thiel warns the Antichrist, apocalypse linked to the 'end of modernity'

https://fortune.com/2026/02/04/peter-thiel-antichrist-greta-thunberg-end-of-modernity-billionaires/
1•randycupertino•14m ago•2 comments

USS Preble Used Helios Laser to Zap Four Drones in Expanding Testing

https://www.twz.com/sea/uss-preble-used-helios-laser-to-zap-four-drones-in-expanding-testing
2•breve•20m ago•0 comments

Show HN: Animated beach scene, made with CSS

https://ahmed-machine.github.io/beach-scene/
1•ahmedoo•21m ago•0 comments

An update on unredacting select Epstein files – DBC12.pdf liberated

https://neosmart.net/blog/efta00400459-has-been-cracked-dbc12-pdf-liberated/
2•ks2048•21m ago•0 comments

Was going to share my work

1•hiddenarchitect•24m ago•0 comments

Pitchfork: A devilishly good process manager for developers

https://pitchfork.jdx.dev/
1•ahamez•24m ago•0 comments

You Are Here

https://brooker.co.za/blog/2026/02/07/you-are-here.html
3•mltvc•28m ago•1 comments

Why social apps need to become proactive, not reactive

https://www.heyflare.app/blog/from-reactive-to-proactive-how-ai-agents-will-reshape-social-apps
1•JoanMDuarte•29m ago•1 comments

How patient are AI scrapers, anyway? – Random Thoughts

https://lars.ingebrigtsen.no/2026/02/07/how-patient-are-ai-scrapers-anyway/
1•samtrack2019•29m ago•0 comments

Vouch: A contributor trust management system

https://github.com/mitchellh/vouch
2•SchwKatze•30m ago•0 comments

I built a terminal monitoring app and custom firmware for a clock with Claude

https://duggan.ie/posts/i-built-a-terminal-monitoring-app-and-custom-firmware-for-a-desktop-clock...
1•duggan•31m ago•0 comments

Tiny C Compiler

https://bellard.org/tcc/
2•guerrilla•32m ago•0 comments

Y Combinator Founder Organizes 'March for Billionaires'

https://mlq.ai/news/ai-startup-founder-organizes-march-for-billionaires-protest-against-californi...
2•hidden80•32m ago•2 comments

Ask HN: Need feedback on the idea I'm working on

1•Yogender78•33m ago•0 comments

OpenClaw Addresses Security Risks

https://thebiggish.com/news/openclaw-s-security-flaws-expose-enterprise-risk-22-of-deployments-un...
2•vedantnair•33m ago•0 comments

Apple finalizes Gemini / Siri deal

https://www.engadget.com/ai/apple-reportedly-plans-to-reveal-its-gemini-powered-siri-in-february-...
1•vedantnair•34m ago•0 comments

Italy Railways Sabotaged

https://www.bbc.co.uk/news/articles/czr4rx04xjpo
13•vedantnair•34m ago•4 comments

Emacs-tramp-RPC: high-performance TRAMP back end using MsgPack-RPC

https://github.com/ArthurHeymans/emacs-tramp-rpc
1•fanf2•36m ago•0 comments

Nintendo Wii Themed Portfolio

https://akiraux.vercel.app/
2•s4074433•40m ago•2 comments

"There must be something like the opposite of suicide "

https://post.substack.com/p/there-must-be-something-like-the
1•rbanffy•42m ago•1 comments
Open in hackernews

How AI function calling works UNDER THE HOOD? [video]

https://www.youtube.com/watch?v=Qor2VZoBib0
2•kehiy•6mo ago

Comments

kehiy•6mo ago
We saw LLMs are able to call tools for a long time and we even saw protocols like MCP out there to make it more standard.

It's simple to understand how it work at the surface level, but for me the big question was how a large LANGUAGE mode calls a tool? It was obvious that they had to SAY it and ask to the client somehow to do it for them, but they are very dynamic? how do we force them to always respond in a known format? So, based on this video I just understand they are fine-tuning models to learn how to call a tool correctly in standard form.

You may knew this, but it was always a question for me and after a long time I had enough time to do a search about it.