How to build an encrypted secrets vault for agents

The text discusses building an encrypted secrets vault for coding agents using Turso, a rewrite of SQLite in Rust, which offers built-in encryption and concurrent access capabilities. By leveraging Turso's encryption and multiprocess access features, the author introduces keymaxxer, a tool that securely manages API keys and secrets without exposing them to the coding agent. Keymaxxer works by storing secrets in a local, encrypted database file, allowing access only through a controlled interface, which prevents secrets from being exposed in model contexts or logs. The solution focuses on using SQL operations to handle secrets, with Turso managing encryption and concurrent access, thus enabling the development of a secure vault without the need to manage complex encryption processes. The approach offers flexibility in implementing additional security features, such as role-based access control and audit logging, while maintaining the simplicity and reliability of a local database.

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