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arxiv_agent_systems_research · Oct 20, 2026 · paper

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Measure First, Then Allocate: Calibrated Rollout Budgets for MCP Agents in Reinforcement Learning

arxiv.orgOct 20, 2026
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Training tool-using language models requires costly interaction, yet identical rewards within a rollout group provide no group-relative learning signal. We use reward disagreement to guide harness evaluation and the a...

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Measure First, Then Allocate: Calibrated Rollout Budgets for MCP Agents in Reinforcement Learning

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