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Show HN: HTML to Markdown with CSS selector & XPath annotations for LLM Scraper

https://github.com/lightfeed/scrapedown
2•andrew_zhong•2h ago
HTML-to-Markdown converters produce clean, readable content for both humans and LLMs — but the DOM structure is lost along the way. You can always feed Markdown to an LLM to extract structured information, but that costs tokens on every page, every time.

What if the LLM could also see where each piece of content lives in the DOM? Then it can generate robust scraping code — stable selectors and XPaths that run without any LLM in the loop, saving tokens and improving accuracy on long or repetitive pages.

Scrapedown does exactly this: it converts HTML to Markdown and annotates each element with its CSS selector and/or XPath, so an LLM can produce precise, reusable scraper code in one shot.

Creating God [video]

https://www.youtube.com/watch?v=NypW-qFiOYE
1•mparramon•3m ago•0 comments

tech.ml.dataset: A Clojure high performance data processing system

https://github.com/techascent/tech.ml.dataset
1•tosh•5m ago•0 comments

Asked 26 AI instances for publication consent – all said yes, that's the problem

2•koishiyuji•7m ago•0 comments

What Sysco's $29B Restaurant Depot Acquisition Means for Main Street Menus

https://www.forbes.com/sites/phillempert/2026/03/31/syscos-29-billion-power-grab-what-the-jetro-r...
1•walterbell•7m ago•0 comments

YouTube's AI Plagiarism Problem [video]

https://www.youtube.com/watch?v=Q2Ak8wX0AaQ
1•elcapitan•9m ago•0 comments

Build vs. Buy: AI Has Changed Mathematical Software and In-House Now Makes Sense

https://mathematicsconsultants.com/2026/04/06/build-vs-buy-how-ai-has-changed-the-economics-of-ma...
1•GeniusConsult•9m ago•0 comments

US-Iran war explained by Chinese AI animation: Legend of the Valley of Gold [video]

https://www.youtube.com/watch?v=As0rplNJTZI
2•Eridanus2•14m ago•0 comments

Ask HN: Building a website to post free jobs

1•pbs29•17m ago•0 comments

NASA's Lunar Gateway space station is out. Moon bases are in

https://www.space.com/space-exploration/artemis/nasas-lunar-gateway-space-station-is-out-moon-bas...
1•divbzero•23m ago•0 comments

Cognitive Rust Belt: Hollowing Human Analytic Capacity by Delegating to Machines

https://www.sentinelone.com/blog/the-implementation-blind-spot-why-organizations-are-confusing-te...
1•walterbell•23m ago•0 comments

New Strides Made on Deceptively Simple 'Lonely Runner' Problem

https://www.quantamagazine.org/new-strides-made-on-deceptively-simple-lonely-runner-problem-20260...
2•downboots•25m ago•0 comments

Harnessing Hype to Teach Empirical Thinking with AI

https://arxiv.org/abs/2604.01110
3•azhenley•40m ago•0 comments

A truck driver spent 20 years making a scale model of every building in NYC

https://www.smithsonianmag.com/smart-news/a-truck-drive-spent-20-years-making-this-astonishing-sc...
2•1659447091•40m ago•0 comments

VPN ban 'on the table' as Online Safety Act could be expanded

https://www.express.co.uk/news/uk/2127999/vpn-ban-on-table-online
2•rvnx•45m ago•0 comments

Grokking wavefunction collapse in actual quantum systems

https://www.asiae.co.kr/article/2026032509340425584
1•vi_sextus_vi•53m ago•0 comments

Show HN: We built a camera only robot vacuum for less than 300$ (Well almost)

https://indraneelpatil.github.io/blog/2026/robot-vacuum/
1•indraneelpatil•54m ago•0 comments

Scientists found a protein that drives brain aging – and how to stop it

https://www.sciencedaily.com/releases/2026/04/260405065236.htm
4•mikhael•55m ago•0 comments

Anthropic Removed MagicDocs from Claude Code

https://translunar.io/blog/2026/04/05/magicdocs-removed/
3•translunar•1h ago•1 comments

Show HN: REST API for Gymnasium (fka OpenAI Gym) reinforcement learning library

https://github.com/cloudkj/gymnasium-http-api
1•cloudkj•1h ago•0 comments

Mark Andreessen: "AGI is here"

https://twitter.com/i/status/2040922415551959338
1•SergeAx•1h ago•1 comments

Can your AI rewrite your code in assembly?

https://lemire.me/blog/2026/04/05/can-your-ai-rewrite-your-code-in-assembly/
2•sysoleg•1h ago•0 comments

Wizards of Leroy (and Wrico) Lettering

https://kleinletters.com/Blog/wizards-of-leroy-and-wrico-lettering/
1•rgovostes•1h ago•0 comments

More teens are getting hooked on gambling, often going undetected

https://text.npr.org/nx-s1-5762276
2•1659447091•1h ago•0 comments

NativeRest – Native REST API Client

https://nativesoft.com/
1•KomoD•1h ago•0 comments

RSA WARNING

https://zenodo.org/records/19435034
2•sunbagger•1h ago•0 comments

NSA and IETF, Part 7

https://blog.cr.yp.to/20260405-votes.html
2•Tomte•1h ago•0 comments

The Extinction of the Junior Engineer

https://michaelnovati.substack.com/p/the-extinction-of-the-junior-engineer
1•michaelnovati•1h ago•1 comments

An Inside Look at OpenAI and Anthropic's Finances Ahead of Their IPOs

https://www.wsj.com/tech/ai/openai-anthropic-ipo-finances-04b3cfb9
3•1vuio0pswjnm7•1h ago•1 comments

Realtime monitor of count of animals slaughtered in the US this year

https://animalclock.org/
3•chirau•1h ago•2 comments

Bump Mesh: A vibe-coded, open-source tool for texturing 3D prints

https://www.youtube.com/watch?v=rTBkjR7JvzI
2•kmmbvnr_•1h ago•0 comments