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AI readability score for your documentation

https://docsalot.dev/tools/docsagent-score
1•fazkan•5m ago•0 comments

NASA Study: Non-Biologic Processes Don't Explain Mars Organics

https://science.nasa.gov/blogs/science-news/2026/02/06/nasa-study-non-biologic-processes-dont-ful...
1•bediger4000•8m ago•2 comments

I inhaled traffic fumes to find out where air pollution goes in my body

https://www.bbc.com/news/articles/c74w48d8epgo
1•dabinat•9m ago•0 comments

X said it would give $1M to a user who had previously shared racist posts

https://www.nbcnews.com/tech/internet/x-pays-1-million-prize-creator-history-racist-posts-rcna257768
1•doener•11m ago•0 comments

155M US land parcel boundaries

https://www.kaggle.com/datasets/landrecordsus/us-parcel-layer
2•tjwebbnorfolk•16m ago•0 comments

Private Inference

https://confer.to/blog/2026/01/private-inference/
2•jbegley•19m ago•1 comments

Font Rendering from First Principles

https://mccloskeybr.com/articles/font_rendering.html
1•krapp•22m ago•0 comments

Show HN: Seedance 2.0 AI video generator for creators and ecommerce

https://seedance-2.net
1•dallen97•26m ago•0 comments

Wally: A fun, reliable voice assistant in the shape of a penguin

https://github.com/JLW-7/Wally
2•PaulHoule•28m ago•0 comments

Rewriting Pycparser with the Help of an LLM

https://eli.thegreenplace.net/2026/rewriting-pycparser-with-the-help-of-an-llm/
2•y1n0•29m ago•0 comments

Lobsters Vibecoding Challenge

https://gist.github.com/MostAwesomeDude/bb8cbfd005a33f5dd262d1f20a63a693
1•tolerance•29m ago•0 comments

E-Commerce vs. Social Commerce

https://moondala.one/
1•HamoodBahzar•30m ago•1 comments

Avoiding Modern C++ – Anton Mikhailov [video]

https://www.youtube.com/watch?v=ShSGHb65f3M
2•linkdd•31m ago•0 comments

Show HN: AegisMind–AI system with 12 brain regions modeled on human neuroscience

https://www.aegismind.app
2•aegismind_app•35m ago•1 comments

Zig – Package Management Workflow Enhancements

https://ziglang.org/devlog/2026/#2026-02-06
1•Retro_Dev•37m ago•0 comments

AI-powered text correction for macOS

https://taipo.app/
1•neuling•41m ago•1 comments

AppSecMaster – Learn Application Security with hands on challenges

https://www.appsecmaster.net/en
1•aqeisi•41m ago•1 comments

Fibonacci Number Certificates

https://www.johndcook.com/blog/2026/02/05/fibonacci-certificate/
1•y1n0•43m ago•0 comments

AI Overviews are killing the web search, and there's nothing we can do about it

https://www.neowin.net/editorials/ai-overviews-are-killing-the-web-search-and-theres-nothing-we-c...
4•bundie•48m ago•1 comments

City skylines need an upgrade in the face of climate stress

https://theconversation.com/city-skylines-need-an-upgrade-in-the-face-of-climate-stress-267763
3•gnabgib•49m ago•0 comments

1979: The Model World of Robert Symes [video]

https://www.youtube.com/watch?v=HmDxmxhrGDc
1•xqcgrek2•53m ago•0 comments

Satellites Have a Lot of Room

https://www.johndcook.com/blog/2026/02/02/satellites-have-a-lot-of-room/
2•y1n0•54m ago•0 comments

1980s Farm Crisis

https://en.wikipedia.org/wiki/1980s_farm_crisis
4•calebhwin•54m ago•1 comments

Show HN: FSID - Identifier for files and directories (like ISBN for Books)

https://github.com/skorotkiewicz/fsid
1•modinfo•1h ago•0 comments

Show HN: Holy Grail: Open-Source Autonomous Development Agent

https://github.com/dakotalock/holygrailopensource
1•Moriarty2026•1h ago•1 comments

Show HN: Minecraft Creeper meets 90s Tamagotchi

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1•foxiel•1h ago•1 comments

Show HN: Termiteam – Control center for multiple AI agent terminals

https://github.com/NetanelBaruch/termiteam
1•Netanelbaruch•1h ago•0 comments

The only U.S. particle collider shuts down

https://www.sciencenews.org/article/particle-collider-shuts-down-brookhaven
3•rolph•1h ago•1 comments

Ask HN: Why do purchased B2B email lists still have such poor deliverability?

1•solarisos•1h ago•3 comments

Show HN: Remotion directory (videos and prompts)

https://www.remotion.directory/
1•rokbenko•1h ago•0 comments
Open in hackernews

AI Study Assistant – Ask questions from your own notes

2•RajGuruYadav•7mo ago
I built a small tool that lets students upload their study notes (PDFs), and then ask questions in plain language.

The app extracts text from the uploaded PDF, chunks it into searchable segments, indexes them using Algolia MCP, and then uses OpenAI's API to generate answers based on relevant context.

Demo (27s): https://www.loom.com/share/f012303fb1794e5eb1989c656fc5e2b8?sid=70fccf0b-1350-43fa-8d15-cc22b17635ae Code: https://github.com/Rajyadav81/ai-study-assistant

Built with: - PDF.js (for extracting content) - Algolia MCP (for indexing/search) - OpenAI GPT-3.5 (for answers) - Vanilla HTML/JS + Express backend

Would love your feedback — especially around: - How to improve retrieval accuracy - Making it faster or lighter - Any open-source AI tools to replace OpenAI in future?

This is my submission to the DEV x Algolia MCP Server Challenge.

Thanks!

Comments

sksrbWgbfK•7mo ago
Fill the README. Rename the file "backend index.js," it's never a good idea to have spaces in filenames. Do you use a linter?
Haeuserschlucht•7mo ago
Yet another one? Instead of cloning yet another ask your notes app that has the same flaws like every other ask your documents app, work on the fucking flaws for once.

Namely that you are using a fucking RAG like everyone else and they almost NEVER find the right spots.

Besides when using openai, you could aswell just use notebooklm.

Fucking hate those lazy clones.