← Mathieu Van de Catsije

Lab

Things I'm building, in the open: small tools and experiments around AI, research, and the way work actually gets done. Some are finished and running; most are still moving. Newest first.

  1. An impressionist painting of an empty French polling station in the early morning, a glass ballot box with a tarnished brass frame on a wooden table holding a few folded envelopes, a row of curtained voting booths in the blue shadow behind it, and a tall arched window throwing a shaft of pale light across the table

    Legere live

    Which 2027 candidates are you closest to, and why

    Take the questionnaire ↗

    JavaScript · Python · Vercel

  2. An impressionist painting of a reading room at first light, a dark wooden table spread with open and stacked newspapers, a bookshelf and an empty chair in the blue shadow behind, and a small owl perched on the arm of a brass reading lamp beside a tall window letting in pale morning sun

    Minerva live confidential

    How AI is changing business, read for you every morning

    Python · Claude · Vercel

  3. An impressionist painting of a wide river in summer light, split by sandbars into four channels of unequal width — a broad gold one, a pale green one, a blue one and a narrow band of deep indigo — running past a hazy French village

    Mouvement d'argent live

    Where French public money comes from, and where it goes

    Follow the money ↗ GitHub ↗

    Next.js · D3 · Vercel

  4. An impressionist painting of a garden at dusk, a loudspeaker on a tripod stand throwing a wide pool of warm amber light across the grass, empty chairs and a table at its edge and a string of lamps along the fence, the rest of the lawn left in blue dark

    Spreker experiment

    A speaker rental site where the light is the loudness

    Turn it on ↗ GitHub ↗

    Next.js · three.js · Web Audio · Vercel

  5. An impressionist painting of a garden path in dappled morning light, small stacks of colourful books piled in the flowering grass on either side, a stone lantern in the haze beyond

    Yomu experiment

    A garden that grows with my manga library

    Take the walk ↗

    Next.js · Three.js · Vercel

  6. An impressionist painting of an empty semicircular parliamentary chamber, tiers of vacant benches curving away through cool blue shadow while a shaft of daylight catches the ochre seat backs and a brass rail

    Qui nous représente building

    The 577 French deputies, before politics

    Open the chamber ↗ GitHub ↗

    Next.js · Python · Vercel

  7. An impressionist painting of a river at first light, its surface broken by dozens of small reflected lamps

    Ariss live

    The AI frontier, in one live stream

    Open the feed ↗

    Next.js · Vercel

  8. An impressionist painting of a library table stacked with open books and loose papers, lit by a single shaft of afternoon sun

    Zotero AI Toolkit live

    AI inside your reference library

    GitHub ↗

    TypeScript · Zotero 7–9

If something here is useful, or broken, tell me.