Merge's platform focuses on enhancing the security and functionality of AI agents through robust authentication and authorization protocols, which are crucial for preventing data leaks and unauthorized access. The article explains the process of AI agent authentication, which involves verifying the agent's identity and securing credentials for accessing third-party tools using methods like OAuth 2.0 and API keys. It highlights the importance of following best practices, such as individual authentication and least-privilege authorization, to mitigate risks and maintain strict data access controls. The article also outlines strategies for implementing effective authentication flows, such as grouping connectors to streamline the process and setting up alerts for re-authentication needs. Additionally, it addresses challenges like managing prompt injection attacks and the complexities of handling credentials, emphasizing the need for comprehensive testing and visibility across authentication processes to avoid security vulnerabilities.