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PlanBench-XL: Evaluating Long-Horizon Planning of LLM Tool-Use Agents in Large-Scale Tool Ecosystems
用千级工具场景拷问LLM智能体规划能力，工具生态越复杂越见真章。
arXiv:2606.22388v1 Announce Type: new Abstract: LLM agents increasingly operate in large tool ecosystems, where real-world tasks require discovering r…