Mind the Cut: Where Your AI Strategy Quietly Breaks
Tool calls look clean in a demo. A user asks for something. The model thinks. A browser opens. A database is queried. A spreadsheet is updated. A draft email appears. Everyone smiles, because apparently we now have an “AI agent.” Then the production version fails for a reason that is somehow both tiny and catastrophic: a tool schema was renamed, a memory field was serialized differently, a retry policy changed, a prompt template compressed one instruction too aggressively, or a guardrail blocked the wrong intermediate step. The model did not become stupid overnight. The architecture quietly moved the steering wheel. ...