mustier.ai
projectsabout

I quit consulting to build software.

Startups and lately open source: terminal interfaces, AI agent tooling, and the occasional arcade game.

About
Previously
McKinsey, early stage startups
Location
London

Featured

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economist-tui

Live

Read The Economist from your terminal using your subscription. Unofficial CLI and TUI with agent skill support.

gobubbletea
3

pi-nes

Live

NES emulator for Pi. Play classic Nintendo games in your terminal with Kitty graphics support.

typescriptrustpi
164.1k

pi-for-excel

Soon

Open-source, multi-model AI sidebar for Microsoft Excel. Bring your own key. Reads your spreadsheet properly.

typescriptpiexcel
267

ownership-chart

Soon

Generate professional ownership structure charts for PE fund structures. UK Companies House integration.

pythonprivate-equity

Collaborate

Interested in working together on developer tools, agent infrastructure, or anything that should exist but doesn't yet.

thomas@mustier.ai
© 2026 Thomas Mustier