XPolicyLab: A Unified Standard and Open Ecosystem for Robot Policy Evaluation and Deployment

• URL: http://arxiv.org/abs/2608.09892v2
• Date: Tue, 11 Aug 2026 17:41:52 GMT
• Title: XPolicyLab: A Unified Standard and Open Ecosystem for Robot Policy Evaluation and Deployment
• Abstract summary: XPolicyLab is a unified standard and open ecosystem for robot policy evaluation and deployment.<n>XPolicyLab integrates 42 robot policies and standardizes their installation, debug, serving, adapters and evaluation.<n>In a controlled study, conforming to the standard reduces the integration effort of a representative policy from over five hours to two hours.
• Score: 110.47421789797546
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Robot policy evaluation and deployment remain fragmented by model-specific software dependencies, data representations, and runtime interfaces, so that connecting N policies to M evaluation environments requires O(NM) separate integrations. We present XPolicyLab, a unified standard and open ecosystem that reduces this cost to O(N+M). XPolicyLab specifies common observation, action, and trajectory schemas together with a minimal adapter interface for observation updates, action prediction, batched execution, and episode reset, while a dependency-isolated client/server architecture separates policy inference from environment execution, so that each side retains its native software stack and may run locally or remotely. The ecosystem integrates 42 robot policies and standardizes their installation, debugging, serving, and evaluation workflows. Across these adapters, model-specific code varies by an order of magnitude while the environment-facing loop stays within a few lines of a fixed reference, confirming that the contract confines heterogeneity to the policy side. In a controlled study, conforming to the standard reduces the integration effort of a representative policy from over five hours to two hours, and packaged agent skills reduce it further to thirty minutes. The same adapters serve RoboTwin, RoboDojo simulation, and standardized real-robot evaluation through one interface. XPolicyLab is released as shared infrastructure for reproducible policy comparison and standardized deployment across simulation and physical platforms. Project website: https://xpolicylab.github.io/.

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