wassette

Wassette is a security-oriented runtime that executes WebAssembly Components via MCP, making it easy to extend AI agents with new tools directly from a chat window. It leverages the Wasmtime security sandbox to provide browser-grade isolation, ensuring that these reusable components run safely.

wassette is currently grouped under LLM Infra, which makes it easier to evaluate through workflow fit instead of isolated features alone. Based on the available data, it leans most heavily toward Conveniently extend AI agents with new tools without leaving the chat interface. and Integrating new capabilities like time-telling into AI agents using WebAssembly components.. The listed license is MIT, which is useful when adoption constraints matter. It also shows measurable community traction with 942 GitHub stars.