Ponytail: Makes your AI agent think like the laziest senior dev

DietrichGebert · github · 2026-08-25

Ponytail is a JavaScript-based agent skill library designed to make AI coding assistants think like the 'laziest senior dev in the room,' adhering to the YAGNI (You Ain't Gonna Need It) principle. It uses custom prompt engineering and Cursor rules to guide agents toward the simplest solutions and avoid over-engineering in coding tasks.

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