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What should a native agent harness handle beyond tool calling?

A lot of AI agent demos focus on the model and the tools it can access. But once an agent needs to run for hours or days, the harder problems seem to be everything around the model. I'm curious how people building production agents think about the native agent harness layer. A few questions: How do…

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  1. 2026-10-23 08:42 · r/AI_Agents
    What should a native agent harness handle beyond tool calling?

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