John-Henry Pezzuto is a business school PhD student, who has written code in R but not much beyond that.
Last week, he published this: https://johnhenrypezzuto.github.io/visa-guide
A comprehensive website aggregating visa application information for 143 countries worldwide based on the user's nationality — with credible, official sites.
We interviewed John-Henry to learn about his Gensee Crate journey.
How John-Hery Built with Gensee Crate
John-Henry: Build a nice-looking website that collects visa application information for popular countries.
Crate: Absolutely! Let me create the basic structure...
John-Henry: Can you organize it by region? Europe, Asia, Americas?
Crate: Done. Adding country pages with official visa portal links...
John-Henry: Actually I forgot Africa and Oceania.
Crate: No problem — adding those regions now...
John-Henry: Perfect! Can you deploy it?
Crate: 🚀 Live at: https://johnhenrypezzuto.github.io/visa-guide
John-Henry: Great. I can see it now. Can you make the visa requirements dynamic based on users' nationality?
Crate: Done. Users can select their nationality at the top of the page.
John-Henry: Can you also add labels to show which countries are visa-free, visa on landing, visa-required?
Crate: Sure. These tags are added according to the user's nationality.
Behind the Scenes
While John-Henry chatted via WhatsApp, Gensee Crate:
- Wrote HTML/CSS/JavaScript
- Researched official visa application links
- Organized content by region and country
- Grab visa requirement information from each official visa application site
- Make the website dynamic based on users' nationality.
- Deployed to GitHub Pages
All through natural language. No code. No configuration. No web dev knowledge needed.
Why the Sources Are Credible
One thing John-Henry noticed: the visa links and information were high-quality and trustworthy. That's because every Gensee Crate instance comes with Gensee Search built in — ranked #1 on Source Bench for finding the highest-quality web sources.
When his agent researched visa requirements, it didn't just grab random links from Google. It used Gensee Search to find official government portals, verified application resources, and credible information sources.
The result: a website that's not just functional, but trustworthy — something visitors can rely on for accurate visa information.
What's Next
After completing the visa guide, John-Henry said:
"I'll use Gensee Crate to build one software project per day."
He built two Chrome extensions for his personal use the next day, both to automate his frequent browser operations. Both via chatting to Crate, no single line of coding himself.
Next? He will try building iPhone apps.
Why This Matters
The barrier between having an idea and building it is now just language.
If you can describe it, you can create it.
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