100X AI is a startup that's building AI agents to help engineering teams resolve incidents faster and with greater precision. They use Arize Phoenix for observability, tracing, and performance monitoring, which helps them fine-tune their AI agents and close the gap between alerts and resolution. 100X AI aims to address the knowledge problem in troubleshooting by providing an agent that can work together to form a holistic view of the system, making it easier for engineers to solve problems quickly.