Your agent does not crash. It returns wrong answers when a tool output overflows the context window. It waits forever on a slow service. It calls the same tool 14 times because the response was vague. Nothing throws an error. It just wastes tokens and time. Three silent failures, three fixes, each with real numbers. When a 214KB log fills the window, store the big data outside it and pass back a short reference: about 7 times fewer tokens. When a tool hangs, return a tracking id right away and check back later, so a 17 second wait becomes under 2. When vague feedback causes retries, give a clear done signal and block repeats: 14 calls drop to 2. You leave with production-ready code and an open source repo with all demos.

Outline: • Three Silent Failures • Fix 1: Memory Pointer Pattern • Fix 2: Async HandleId for MCP • Fix 3: DebounceHook + Clear States • Decision Matrix + Resources