Wassette is a security-oriented runtime designed to operate WebAssembly components via the Microsoft Cloud Platform (MCP). This free software enables users to extend AI agents with new tools seamlessly within a chat interface. Built with a focus on security, Wassette leverages the Wasmtime security sandbox to ensure browser-grade isolation for the components it runs. The architecture supports various platforms and includes a straightforward installation process, making it accessible to a wide range of users.

The primary features of Wassette include its convenience in integrating reusable Wasm components and its robust security framework. Users can easily teach their AI agents new functionalities, such as fetching the current time, by loading specific components. The documentation provides clear instructions for installation and usage, enabling quick setup for different environments, including Linux, macOS, and Windows. As it is still in early development, users can expect ongoing enhancements and updates.