Post
Maxence Poutord
maxpou.fr
did:plc:wlv45ac7ykzdpcpje4kq67la
I use Claude Code every day, and it still feels like magic.
I don't like magic. So I built my own (very dumb) version to see what's inside.
Spoiler: the model never touches your files. It's some JSON and a while loop!
https://www.maxpou.fr/blog/how-a-coding-agent-works-under-the-hood/
2026-10-12T17:43:25.661Z