Show HN: Keyhole – Share secrets with your AI agents (keyhole.maferland.com)

A new tool called Keyhole has been introduced to enhance security when interacting with AI agents by eliminating the need to directly expose sensitive API keys during communication. Instead of pasting keys into chat, which can lead to unintentional logging or exposure, Keyhole allows users to store these keys securely in local storage (like macOS Keychain) and share only a safe reference with the agent. When the agent needs the key, it retrieves it on-demand without ever seeing the raw value, maintaining high security throughout the process. This development is significant for the AI/ML community as it addresses a pressing need for better management of sensitive information in AI applications. By providing a seamless yet secure way to handle API keys, Keyhole not only minimizes the risk of credential leaks but also simplifies the integration of security practices in AI workflows. Keyhole operates on localhost, reinforces single-use credentials, and supports various storage options, ensuring that API keys remain encrypted at rest and accessible only in secure environments. This innovative approach paves the way for more secure, efficient collaborations between users and AI systems.