13:36
2026-08-13
dev.to
ai-agents
Why Your Agent Burned $2,800 at 3 AM — and How to See It
A developer built AgentShield, a pre-execution spend firewall for AI agents, after a runaway agent made 21 API calls costing $2,800 at 3 AM. The developer integrated it with Agent-Devtools, a causal d…