CredStash is a credential management tool designed for securely storing and retrieving sensitive information such as passwords, API keys, and other secrets. The tool integrates with Amazon Web Services (AWS) Key Management Service (KMS) to provide encryption and access control for stored credentials. Users must configure an AWS KMS key as part of the initial setup process. CredStash requires the installation of specific dependencies before use and provides dedicated installation instructions for Linux environments. The tool enables organizations to centralize credential storage while maintaining security through AWS-managed encryption keys. The system allows for programmatic access to stored credentials, making it suitable for automated deployment processes and application configuration management where sensitive data needs to be securely accessed.