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Unreal Agent

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Hacker News | Sep 22, 2026 | trollied

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The Unreal Agent harness manages tool calls in a completely asynchronous way, relieving the underlying model of the need to manage waits, polls, and heartbeats for tools. Second, it allows the agent to schedule more useful tool call work between model calls, driving frontier cost efficiency. Unreal Agent has simple prompts, token-optimized tool results, and no sub-agents or workflows. 3 More tool work per model turn.

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