GitHub - DietrichGebert/ponytail: Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.
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Ponytail packages a strict write-less ruleset for multiple agent surfaces, pushing agents to prefer YAGNI, stdlib, native platform features, and one-liners before generating new code. Interesting because it turns senior-dev restraint into portable agent policy rather than just prompting style, with benchmarks claiming less code, lower cost, and faster runs.