Patens
Turn browser tabs into local AI memory in 1 click
What it does
Stop juggling 40 open tabs and pasting snippets. Patens is a local-first memory layer that captures context across your browser and docs in one click, feeding it directly to your AI without your data leaving your machine
Kill the endless Ctrl+C tab-thrashing. Highlight competitor pricing, specs, and papers across 20 tabs, instantly assembled into cited, hallucination-proof memory. • 35 open tabs: Competitor pages, Reddit reviews, SEC filings, and pricing matrices. • Clipboard hell: Ctrl + C ➔ Alt + Tab ➔ Ctrl + V × 60 into a messy scratchpad. • Lost provenance: 2 hours later, you can't find which specific competitor page had that vital stat. Result: Exhausting mental friction, prompt hallucinations, and hours wasted formatting raw text. • 1-Click capture: Highlight exact key paragraphs as you browse with Ctrl + Shift + Click . Auto-ingested with origin URLs attached. • Forgiving Undo Window: 40-second grace…from patens.dev
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I trained a 125M-parameter transformer to autocomplete piano performances in real time (~108 notes/sec on an iPhone 15). The idea is basically GitHub Copilot or Tabnine, except instead of prompting it with code, you prompt it by playing a few notes on a MIDI piano. The model then continues what you played, entirely on-device. The app is free if anyone wants to try it. Happy to answer questions about the model, training, Core ML, or the many things that didn't work.
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Hey HN, Henry from Cactus here! We previously released Cactus Needle, a 14MB agentic LLM for tool call, device use, and structured extraction for phones, wearables, smart homes, small robots and microcontrollers. We got really great feedback here, and have now incorporated the suggestions to release Needle 2. The whole model is a single 14MB binary that runs a full session in 28MB of RAM; 45m parameters at 2bit compression. Needle hits 500 tokens/sec decode speed on a Raspberry Pi 5, sits between 400-1,500 tokens/sec on VR devices like Meta Quest 3S and Apple Vision Pro, and ranges…
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Launched alongside, August 2026
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Hello HN! I found that picking out plausible but diverse skin tones for my digital art and game development projects was kind of difficult, and I got curious about if there was a way to define a color space that made it easy. I've built a color picker and procedural generation algorithm based on the space as well as a bunch of other fun js features and demos throughout the page that use the equations. If you find it interesting, I have lots of explanations of how I built it and what properties the space has. The methodology might be a bit shaky, but hopefully the result is as helpful for…
Life & fun · Aug 2026 · toneyalexander.github.io
I trained a 125M-parameter transformer to autocomplete piano performances in real time (~108 notes/sec on an iPhone 15). The idea is basically GitHub Copilot or Tabnine, except instead of prompting it with code, you prompt it by playing a few notes on a MIDI piano. The model then continues what you played, entirely on-device. The app is free if anyone wants to try it. Happy to answer questions about the model, training, Core ML, or the many things that didn't work.
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