
SiteMD
Your website's doctor. AI diagnosis, plain English.
What it does
Most website monitoring tools tell you what broke. SiteMD tells you what it means. We run 4 scanners (uptime, SEO, performance, security) then feed the results to GPT-4o, which writes a plain-English diagnosis and emails it to you. No dashboards to babysit. No alerts that say "403 error" with no context. Free plan: 1 site, monthly scan. Pro ($19/mo): 5 sites, weekly. Team ($49/mo): 20 sites, daily scans. Built for founders and small teams who want to know their site is healthy.
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Go CLI for website health checks, zero dependencies19d ago · github.com · ▲13A small CLI that runs the checks you'd normally do manually: DNS, HTTPS, SSL expiry, redirects, response time, email records, domain expiry, and more. Zero dependencies, JSON output, install via Homebrew.


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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…
AI · 27d ago · cactuscompute.com


Launched alongside, March 2026
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Switch from ChatGPT to Claude with import memory feature
AI · Mar 2026 · claude.com


