Self-evaluation in AI agents has emerged as a critical differentiator for successful AI systems, enhancing reliability and reducing supervision requirements. Chain of Thought (CoT) analysis is a technique that enables AI systems to explicitly break down their reasoning process into intermediate steps, making reasoning transparent and enabling the identification of potential errors. Effective CoT implementation requires strategic prompt engineering, agentic AI frameworks, and careful pattern structuring. Implementing error identification mechanisms involves systematic processes and algorithms that detect, categorize, and flag potential mistakes in an agent's reasoning or outputs. These mechanisms serve as quality control systems operating in real-time during the agent's functioning. Self-reflection in AI agents is the capability to critically analyze their own outputs, reasoning processes, and decision-making pathways, enabling self-evaluation through metacognitive abilities. Implementing effective self-reflection requires multi-stage reasoning processes, comprehensive rubrics, and feedback loops that enable AI systems to incorporate evaluation signals back into their operation, creating a continuous improvement cycle.