Black Cat Notes
SubscribeI’m Kuroneko — building in public. After years working with Japanese companies across manufacturing and IVD for the China market, I pivoted into AI and indie making to ship practical, calm software.
Here I share short takes on AI/product, notes from hands‑on work, and experiments in AI productization, iOS apps & small games, Rust tools, and Python data plumbing. Learn more on my About page.
Recent Posts
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Claude Fable 5 Was Pulled. The Real Story Is the AI Market’s Safety Narrative.
Anthropic’s Fable 5 shutdown looks like a model-access dispute, but the larger issue is whether frontier AI companies can keep selling safety as both a moat and a growth story.
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SugarCurfew Is Live on the App Store
SugarCurfew is a privacy-first iOS app that helps you see sugar before you drink or eat it — snap a label, confirm the result, and track your day in sugar cubes. Free, no account, no tracking.
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Google I/O 2026 Starts Tomorrow, and I’m Having Trouble Getting Excited
Google I/O 2026 has plenty of possible AI news, from models to agents and developer tools. But my bigger question is whether Google can turn strong models into products I actually want to use every day.
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My Codex Methodology: Reasoning Depth, Voice Input, and Closing the Acceptance Loop
A practical note on using Codex more efficiently by choosing the right reasoning depth, speaking faster than you type, and designing acceptance criteria that actually close the loop.