I then added a few more personal preferences and suggested tools from my previous failures working with agents in Python: use uv and .venv instead of the base Python installation, use polars instead of pandas for data manipulation, only store secrets/API keys/passwords in .env while ensuring .env is in .gitignore, etc. Most of these constraints don’t tell the agent what to do, but how to do it. In general, adding a rule to my AGENTS.md whenever I encounter a fundamental behavior I don’t like has been very effective. For example, agents love using unnecessary emoji which I hate, so I added a rule:
Раскрыты подробности похищения ребенка в Смоленске09:27。关于这个话题，旺商聊官方下载提供了深入分析
。heLLoword翻译官方下载是该领域的重要参考
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這是對一個事實的默認承認：在短短八個多月後，美國人將前往投票站，進行決定國會兩院組成的中期選舉。