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The protein denitrosylase SCoR2 regulates lipogenesis and fat storage [pdf]

https://www.science.org/doi/10.1126/scisignal.adv0660
1•thunderbong•31s ago•0 comments

Los Alamos Primer

https://blog.szczepan.org/blog/los-alamos-primer/
1•alkyon•2m ago•0 comments

NewASM Virtual Machine

https://github.com/bracesoftware/newasm
1•DEntisT_•5m ago•0 comments

Terminal-Bench 2.0 Leaderboard

https://www.tbench.ai/leaderboard/terminal-bench/2.0
1•tosh•5m ago•0 comments

I vibe coded a BBS bank with a real working ledger

https://mini-ledger.exe.xyz/
1•simonvc•5m ago•1 comments

The Path to Mojo 1.0

https://www.modular.com/blog/the-path-to-mojo-1-0
1•tosh•8m ago•0 comments

Show HN: I'm 75, building an OSS Virtual Protest Protocol for digital activism

https://github.com/voice-of-japan/Virtual-Protest-Protocol/blob/main/README.md
4•sakanakana00•11m ago•0 comments

Show HN: I built Divvy to split restaurant bills from a photo

https://divvyai.app/
3•pieterdy•14m ago•0 comments

Hot Reloading in Rust? Subsecond and Dioxus to the Rescue

https://codethoughts.io/posts/2026-02-07-rust-hot-reloading/
3•Tehnix•14m ago•1 comments

Skim – vibe review your PRs

https://github.com/Haizzz/skim
2•haizzz•16m ago•1 comments

Show HN: Open-source AI assistant for interview reasoning

https://github.com/evinjohnn/natively-cluely-ai-assistant
4•Nive11•16m ago•6 comments

Tech Edge: A Living Playbook for America's Technology Long Game

https://csis-website-prod.s3.amazonaws.com/s3fs-public/2026-01/260120_EST_Tech_Edge_0.pdf?Version...
2•hunglee2•20m ago•0 comments

Golden Cross vs. Death Cross: Crypto Trading Guide

https://chartscout.io/golden-cross-vs-death-cross-crypto-trading-guide
2•chartscout•22m ago•0 comments

Hoot: Scheme on WebAssembly

https://www.spritely.institute/hoot/
3•AlexeyBrin•25m ago•0 comments

What the longevity experts don't tell you

https://machielreyneke.com/blog/longevity-lessons/
2•machielrey•26m ago•1 comments

Monzo wrongly denied refunds to fraud and scam victims

https://www.theguardian.com/money/2026/feb/07/monzo-natwest-hsbc-refunds-fraud-scam-fos-ombudsman
3•tablets•31m ago•1 comments

They were drawn to Korea with dreams of K-pop stardom – but then let down

https://www.bbc.com/news/articles/cvgnq9rwyqno
2•breve•33m ago•0 comments

Show HN: AI-Powered Merchant Intelligence

https://nodee.co
1•jjkirsch•36m ago•0 comments

Bash parallel tasks and error handling

https://github.com/themattrix/bash-concurrent
2•pastage•36m ago•0 comments

Let's compile Quake like it's 1997

https://fabiensanglard.net/compile_like_1997/index.html
2•billiob•37m ago•0 comments

Reverse Engineering Medium.com's Editor: How Copy, Paste, and Images Work

https://app.writtte.com/read/gP0H6W5
2•birdculture•42m ago•0 comments

Go 1.22, SQLite, and Next.js: The "Boring" Back End

https://mohammedeabdelaziz.github.io/articles/go-next-pt-2
1•mohammede•48m ago•0 comments

Laibach the Whistleblowers [video]

https://www.youtube.com/watch?v=c6Mx2mxpaCY
1•KnuthIsGod•49m ago•1 comments

Slop News - The Front Page right now but it's only Slop

https://slop-news.pages.dev/slop-news
1•keepamovin•54m ago•1 comments

Economists vs. Technologists on AI

https://ideasindevelopment.substack.com/p/economists-vs-technologists-on-ai
1•econlmics•56m ago•0 comments

Life at the Edge

https://asadk.com/p/edge
4•tosh•1h ago•0 comments

RISC-V Vector Primer

https://github.com/simplex-micro/riscv-vector-primer/blob/main/index.md
4•oxxoxoxooo•1h ago•1 comments

Show HN: Invoxo – Invoicing with automatic EU VAT for cross-border services

2•InvoxoEU•1h ago•0 comments

A Tale of Two Standards, POSIX and Win32 (2005)

https://www.samba.org/samba/news/articles/low_point/tale_two_stds_os2.html
4•goranmoomin•1h ago•0 comments

Ask HN: Is the Downfall of SaaS Started?

4•throwaw12•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.