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Show HN: AI support chatbot with RAG and citations – one back end file, no infra
https://github.com/oncellai/oncell-support-agent
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anupsing_ai
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1h ago
Upload markdown docs, get a support chatbot that answers with citations. The entire backend is one JS file — storage, search, and conversation history are handled by the runtime.
Stack: Next.js + OnCell + OpenRouter.
Demo:
https://youtu.be/rWIU43pOH5Y
Hacker News CLI
https://pythonhosted.org/hackernews-cli/commands.html
1
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rolph
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1m ago
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0 comments
The Dynamics of Competition in Search Engines (2001)
https://www.tesble.com/10.1016/s0167-7187(01)00065-0
1
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highfrequency
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1m ago
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0 comments
Claude Code alternative: same output quality, 10x less tokens
https://github.com/Simon-Free/bouzecode
1
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sfreyb
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2m ago
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1 comments
Explosions as one of Australia's two oil refineries erupts in flames
https://www.abc.net.au/news/2026-04-16/geelong-corio-refinery-fire/106569692
1
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msuniverse2026
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3m ago
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1 comments
Open-Source Agent That Teaches Claude Code Your Architecture – Jonno.nz
https://jonno.nz/posts/open-source-agent-that-teaches-claude-code-your-architecture/
1
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jonno-nz
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3m ago
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0 comments
HealthAdminBench: AI Agents Can Diagnose, but Can They Handle Your Insurance?
https://kineticsystems.ai/blog/healthadminbench-automating-healthcare-administration-with-compute...
1
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lalaland1125
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4m ago
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0 comments
Rust should have stable tail calls
https://trifectatech.org/blog/tail-calls-project-goal/
1
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adamnemecek
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5m ago
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0 comments
I used Claude to build a free alternative to TextExpander
https://typefire.app
1
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navbuildz
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6m ago
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0 comments
Magi: Multi-Agent GVisor Isolation
https://gvisor.dev/blog/2026/04/15/magi-multi-agent-gvisor-isolation/
2
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eperot
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7m ago
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1 comments
Recursive self-improvement is possible for apps, too
https://www.codecanary.ai/blog/recursive-self-improvement-is-possible-for-apps
4
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brendanashworth
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8m ago
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0 comments
Building an Electric Wind-Up Plane
https://www.youtube.com/watch?v=-4X6KYlQ7YQ
1
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tantalor
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11m ago
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0 comments
Let Sleeping CPUs Lie – S0ix
https://freebsdfoundation.org/our-work/journal/browser-based-edition/laptop-desktop/let-sleeping-...
2
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rbanffy
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14m ago
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0 comments
Apple-like QoS for processes proposed for Linux
https://www.phoronix.com/news/Linux-Sched-QoS-v0.1
2
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titaniumtown
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14m ago
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0 comments
ChatGPT for Excel
https://chatgpt.com/apps/spreadsheets/
2
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armcat
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15m ago
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0 comments
Beyond the Mountains, More Mountains
https://effusion.substack.com/p/beyond-the-mountains-more-mountains
1
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notallm
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15m ago
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0 comments
A New Kind of Hybrid Car Is About to Hit America's Streets
https://www.theatlantic.com/technology/2026/04/extended-range-electric-vehicle-pickup-trucks/686811/
3
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JumpCrisscross
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17m ago
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1 comments
Interpreting Negation in GPT-2: Layer- and Head-Level Causal Analysis
https://arxiv.org/abs/2603.12423
1
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PaulHoule
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18m ago
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0 comments
Offers new docking adapter for large space stations – SpaceNews
https://spacenews.com/vast-offers-new-docking-adapter-for-large-space-stations/
1
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rbanffy
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20m ago
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0 comments
Universe Expanding Faster Than Expected
https://www.vice.com/en/article/scientists-figured-out-how-fast-the-universe-is-expanding-but-the...
1
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leecoursey
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20m ago
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0 comments
Smoglandia: We haven't always been smoggy, but we're built that way
https://www.latimes.com/california/story/2026-03-26/smoglandia-we-havent-always-been-smoggy-but-w...
1
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PaulHoule
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23m ago
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0 comments
Ask HN: What's your experience working at xAI as an AI tutor?
1
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xai-tutor
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23m ago
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0 comments
Physicists think they've resolved the proton size puzzle
https://arstechnica.com/science/2026/04/physicists-think-theyve-resolved-the-proton-size-puzzle/
4
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rbanffy
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25m ago
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0 comments
Hermes Agent Self-Evolution System: A Detailed Similarity Analysis with Evolver
https://evomap.ai/blog/hermes-agent-evolver-similarity-analysis
1
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tamnd
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25m ago
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0 comments
Sony Music vs. Udio over stream ripping from YouTube to train AI model [pdf]
https://storage.courtlistener.com/recap/gov.uscourts.nysd.623701/gov.uscourts.nysd.623701.156.0.pdf
2
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ChrisArchitect
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26m ago
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0 comments
Mirax Trojan, spreads via Meta ads, infected 220k users so far
https://securityaffairs.com/190842/uncategorized/mirax-malware-campaign-hits-220k-accounts-enable...
2
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lschueller
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26m ago
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0 comments
LIV Golf Facing Imminent Closure as Saudi Backers Weigh Pulling Funding
https://www.wsj.com/sports/golf/liv-golf-saudi-funding-e7c19130
2
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JumpCrisscross
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31m ago
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0 comments
A One Word Meta Compiler (1994)
https://www.ultratechnology.com/meta2.html
2
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mjdiloreto
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35m ago
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0 comments
AllBirds (the one that sells shoes) Goes All in on AI
https://12gramsofcarbon.com/p/tech-things-allbirds-goes-all-in
3
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theahura
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36m ago
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1 comments
Show HN: A magic eraser that runs a 208MB ONNX model in the browser
https://www.allplix.com/en/magic-eraser
2
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shadoxise
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37m ago
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0 comments
"How I built on-device-only architecture for Mac utilities (and why it matters)"
https://saneapps.com
2
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SaneApps
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38m ago
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2 comments
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