Ankur Sethi's Lab Notebook · Mar 10, 2026
I built a programming language using Claude Code
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Over the course of four weeks in January and February, I built a new programming language using Claude Code. I named it Cutlet after my cat. It’s completely legal to do that. You can find the source code on GitHub , along with build instructions and example programs . I’ve been using LLM-assisted programming since the original GitHub Copilot release in 2021, but so far I’ve limited my use of LLMs…
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