Spotz

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Inspiration

I'm going to travel to Japan in 2 weeks, and I built a tool that I needed.

What it does

Finds local spots recommended only on local forums of any country and city.

How I built it

Codex CLI and ChatGPT 5.6 for guidance when I didn't understand something.

Challenges I ran into

I usually use Claude Code, so building with Codex without my usual harness/setup was an adjustment at first — I had to rely purely on clear, explicit prompting instead of accumulated context and tooling I'm used to. It got easier as I went, and I picked up a better sense of how to prompt Codex effectively along the way.

Accomplishments that I'm proud of

This is my first ever hackathon, and I joined with only three days left. I was genuinely surprised I was able to get this working in that time.

What I learned

Even with less time, I can still give things a real try. Constraints create pressure; pressure creates diamonds.

What's next for Spotz

Honestly, just making it a public tool anyone can use — if I can ever get the API costs down, or if it turns out to be worth monetizing, maybe it becomes something bigger. :)

Built With

• codex