I built a programming language using Claude Code

3 days ago

The author built a programming language named Cutlet using Claude Code over four weeks, allowing Claude to generate every line of code without manual review.
Cutlet is a dynamic language with features like arrays, strings, meta-operators for vectorized operations, and functions, and it runs on macOS and Linux.
The project was an experiment in agentic engineering, focusing on LLM-assisted programming to compress development time and explore the limits of AI in coding.
Key skills for effective agentic engineering include problem selection, clear communication, creating a conducive environment for the agent, and optimizing the agentic loop.
The author reflects on the implications of AI in software engineering, suggesting that while the field will transform, there will still be a need for human engineers.
Ethical considerations arise regarding credit for AI-generated work, with the author feeling uncomfortable claiming full ownership of Cutlet's code.
The author notes the addictive nature of working with LLMs and the importance of setting limits to protect mental health.
Future possibilities with LLMs include rapid prototyping and reduced dependency on third-party libraries, though larger societal impacts remain uncertain.
The author plans to move on to other projects but may continue small updates to Cutlet, depending on time and interest.

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