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AI Substrate

Working notes from building a personal AI substrate. The durable memory, structured context, and provenance layer that turns raw model calls into a system you can actually act on. Lessons from running it daily, not from a whitepaper.

15 Jan 2026 · 3 min read

I haven’t written code in more than 25 years.

I taught myself to code as a teenager, then spent 25 years away from it. This week I tried Claude Cowork — agentic AI for non-coders — and shipped a working Chrome extension over lunch.

Artificial Intelligence Agentic AI Innovation Management Digital Transformation+1