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JEONSEWON

I'm South korean

South KOREA Joined on Feb 20, 2026

JEONSEWON

Jun 5

I spent a month trying to predict multi-agent AI failures. It failed — here's what the failure taught me.

#ai #machinelearning #llm #agents

4 min read

JEONSEWON

Apr 20

I built an API monitor that catches silent failures — and here's what I've learned building in public

#showdev #buildinpublic #devops #api

2 min read

JEONSEWON

Apr 2

I built an open-source API monitor that catches silent failures — HTTP 200 doesn't mean your API is healthy

#showdev #opensource #webdev #devops

2 min read

JEONSEWON

Mar 7

I built an API monitoring tool because every existing one either costs too much or restricts commercial use

#opensource #saas #webdev #ai

2 min read

JEONSEWON

Feb 21

Building CheckAPI: From Idea to Production in 6 Weeks with FastAPI and Next.js

#webdev #python #nextjs #opensource

1 min read

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