Gui Cargnin
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Projects

Things I've built, from the problem to what changed. Each one has its own page.

A prospecting pipeline that thinks

Ruvo, a YC-backed fintech, 2026

Qualifying a new Brazilian company took half an hour of research. I built a pipeline that finds, enriches, scores and writes the first message for each one.

30,000+companies processed
30 mindown to seconds each
Read how it works

A legal platform for my mom's firm

MCPC Advocacia, live since 2026

She did trademark registrations and contracts entirely by hand. I mapped every step with her and built the whole platform alone, payments and AI included.

~30registrations and contracts
4,000contracts behind the AI
Read the story

xp-flight-review

Side project, 2026

Flight sim tools grade your landing. Mine grades the approach, the way an airline would, by comparing the flight plan with what actually happened.

10 Hzflight recording
3platforms, one file
See a real debrief

ApplyIn, the one that didn't work

My first startup, 2024 to 2025

An AI copilot for college students that nobody used regularly. I closed it, and it taught me more than anything that worked.

What I learned