pysgs
Portfolio Issue 01 / 2026

Agentic engineering, online presence, image.

I design and build bespoke websites, applications and tools. Agentic means I can bring AI into them when it makes sense. The works below are only a few examples of what is possible.

We talk for half an hour to pin down what you need. I send you a costed quote within 48 hours, with scope and timeline. If we go ahead, a deposit starts the work. Get in touch to find out more.

For
Studios, artists, nonprofits, companies
Does
Agentic and software solutions, web design, websites, training in new technologies
Contact
pysgs@proton.me ↗
01 / 06
Security / encryption Embed 2026 ↗ Open site
Live preview shake-document-protect.org

Frappuccino

Turns an Android phone into a secure transmitter for journalists, lawyers and observers: video is fragmented, encrypted locally and sent while recording, before the device can be seized. XChaCha20-Poly1305, offline BIP-39 key, single-use ratchet, obfuscated QUIC. Protocol formally verified in Tamarin and TLA+

Role
Design & development
Type
Android app + site
Year
2026
Status
Online
02 / 06
Contemporary art Embed 2026 ↗ Open site
Live preview mathieu-arbez-hermoso.net

Mathieu Arbez Hermoso

My artist portfolio: video, generative art, sound installation, net art. Technical experiments and aesthetic theories.

Role
Design & development
Type
Portfolio site
Year
2026
Status
Online
03 / 06
AI / open source Embed 2026 ↗ Open site
Live preview thisisnotanespresso.net

Espresso!

One app, two engines: OpenAI's cloud when you want the best model, your own graphics card when you want it free and private. The same controls either way. No Python to install, no node graph to wire up.

Role
Design & development
Type
Desktop app + site
Year
2026
Status
Online
04 / 06
Craft Embed 2026 ↗ Open site
Live preview armel.ink

Armel

Role
Design & development
Type
Showcase site
Year
2026
Status
Online
05 / 06
Mapping / OSINT Embed 2026 ↗ Open site
Live preview / full page nostalgiafun.io

Nostalgiafun

Real-time OSINT mapping of far-right gatherings and actions, and of police violence in France. Over 2,700 geolocated events since 2022, updated daily through automated monitoring.

Role
Design & development
Type
Mapping application
Year
2026
Status
Online
06 / 06
Web3 / culture Embed 2021 ↗ Open site
Live preview / 2021 archive wagmigeneration.net

Wagmi Generation

A web3 community documented from the inside, kept as-is, like an archive piece.

Role
Design & development
Type
Community site
Year
2021
Status
Online
Fin / End Contact
HELLO
pysgs@proton.me

To collaborate, discuss, or request a quote.

Languages
FR / EN
Works
06 Online
Status
Active
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© 2026 Mathieu Arbez pysgs.net Issue 01 / 2026