SMRTR ProgrammingJun 8, 2025Hacker News

Reverse Engineering Cursor's LLM Client

SMRTR summary

Researchers used TensorZero to analyze and optimize Cursor, an AI coding assistant. By setting up a proxy between Cursor and language models, they gained visibility into prompts and API calls. This allowed experimentation with different models while maintaining Cursor's functionality. The project revealed insights into Cursor's inner workings and prompt engineering techniques for AI coding tools.

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