Aerospike Secret Agent is a tool that enables the secure storage and retrieval of sensitive data in Google Cloud Secrets Manager. To get started with using Aerospike Secret Agent to read secrets from Google Cloud Secrets Manager, one must first configure Google Cloud Secret Manager credentials. Next, prepare and upload secrets to be stored securely. Finally, configure Aerospike Secret Agent to effectively retrieve these secrets. By following these steps, developers can ensure the secure storage and retrieval of sensitive data in their applications.