Build a private AI assistant that can do real work
A personal assistant becomes useful when it can work near your files, tools, and recurring routines without turning private context into an uncontrolled cloud dependency.
field guide
Start with the strongest evidence
Original essays, operating notes, and interactive tools organized around one search intent.
Build an AI alter ego that actually works
The practical difference between a chatbot and an operational second brain.
/diary/your-second-brain-building-an-ai-alter-ego.htmlBuilding your digital alter ego
How assistants reshape recurring personal work.
/diary/building-your-digital-alter-ego.htmlInference Routing Desk
Route workflows across local, private-cloud, frontier, and human lanes.
/sandbox/inference-routing-deskAgentic PC Fit Check
Test whether local AI workloads justify dedicated hardware.
/sandbox/agentic-pc-fit-checkexplore the system
See how the topics connect.
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