Understanding how to assess a Multi-Domain Agent is essential for tackling diverse challenges in various environments. Evaluating AI agents that operate across multiple domains reveals their strengths and weaknesses, bolstering security and ensuring compliance. Assessing a multi-domain agent's Tool Selection Quality measures its proficiency in selecting and utilizing the appropriate tools for given tasks, highlighting its operational intelligence. The key components of TSQ include Tool Selection Accuracy and Parameter Usage Quality, which evaluate how often the agent selects the correct tool and applies settings effectively, respectively. Evaluating an AI agent across different domains provides critical insights into its adaptability, including Domain-Specific Accuracy and Cross-Domain Consistency metrics that measure performance within individual domains and across diverse tasks. Assessing a Multi-Domain Agent's efficiency involves evaluating response time and resource utilization to balance quick responses with efficient use of resources. Additionally, measuring Performance Improvement Rate and Domain Transfer Success reveals how well the agent evolves and applies knowledge across different domains. Ensuring an AI agent adheres to safety and ethical guidelines is paramount, using metrics like Safety Compliance Rate and Ethical Decision-Making Accuracy to evaluate its behavior alignment with established standards. Galileo provides a comprehensive solution for evaluating AI agents, utilizing evaluation metrics for AI that master the challenges of multi-domain operations.