Agent Debugging Post-Mortem: Weird behavior caused by stale context
Major_Turnover_7853 · reddit · 2026-08-16
An engineer shared 3 weeks of debugging experience in agent systems: all tickets about "weird agent behavior" were not caused by hallucinations or bad prompts, but by agents reasoning correctly on stale or wrongly scoped context. A common pattern involved Agent A writing to shared memory as a side effect, which was later read and utilized by Agent B weeks later for a different task. The solution was tagging all memory reads/writes with the 'why' (intent), significantly improving debug efficiency.
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