The text highlights the critical role of data quality in the reliability and performance of AI agents, emphasizing how inconsistent, outdated, or incomplete data can lead to erratic behavior and undermine user trust and business outcomes. Poor data quality can result in biased outputs, hallucinations, security vulnerabilities, and compliance failures, making robust data management an essential component for successful AI deployment. The article outlines strategies for ensuring data quality, including implementing preprocessing pipelines, establishing validation rules, creating automated monitoring systems, and instituting ongoing governance processes. It also introduces Galileo as a platform that helps enterprises address these challenges by providing tools for validation monitoring, quality guardrails, drift detection, representation audits, and governance tooling, all aimed at transforming AI agents into reliable assets rather than liabilities.