Social Capital published an AI agents primer this month that walks the architecture of the agent stack. One section in it is genuinely important and almost nobody is measuring it yet: Hidden Human Cleanup Costs. Stephen reads that finding as the line item your AI vendor invoice is not showing you — and the lever you have on your next renewal.

What's covered

• How agents fail differently than traditional software — not with red error boxes, but with confident wrong answers, false-assumption actions, and quietly abandoned tasks that compound through fifteen steps of a workflow before anyone notices
• The cleanup math — diagnosis, impact analysis, rebuild, restart. At $50–$200 per hour fully loaded, a 5% intervention rate on 10,000 monthly tasks runs over $200,000 a year per agent. Off invoice.
• The ...