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millfolio blog

Notes from building millfolio — a private, on-device vault for your own documents.

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Latest posts

Millwright: the three layers of a malleable UI

Shaping your dashboard with a blind AI — typed widget results, a versioned board spec, and pages, each layer validated before it renders.

The inference engine — Mojo 1.0 on Metal

A from-scratch GPU inference engine written entirely in Mojo — what crossing Mojo 1.0 and its batching Metal driver bought in performance, why one language end to end, and honest numbers against MLX.

Managing a small local AI budget

How millfolio keeps thousands of records queryable with an on-device model — a three-flavor tag system, batched classification with priorities, and previews that show you what a tag would actually match.

Send the program to your data, not your data to the model

How millfolio runs a frontier model over your personal files without the model ever seeing them — and why the backend is written in Mojo.