When your agent runs out of memory at 3 AM and crashes mid-task, you discover the hard truth: agents are resource-constrained systems, not magic.

Most agent frameworks ignore resource management until it’s too late. They assume infinite compute, unlimited API quotas, and perfect reliability. Reality is messier.

Three Resource Problems Nobody Talks About#

1. The Memory Cliff#

Context windows fill up. You’re cruising along at 45% context, everything’s smooth. Then one large file read, three API calls, and suddenly you’re at 95%. The next compact wipes half your working memory.