Simon Willison's blog post announces the release of datasette-agent-micropython 0.1a0, a tool designed to safely generate and execute Python code within a WASM sandbox, with early testing showing that GPT-5.5 has not been able to escape the sandbox environment.
The release of datasette-agent-micropython 0.1a0, which utilizes MicroPython in a WASM sandbox, represents a significant development for safely generating and executing Python code. This is especially relevant for professionals tracking AI coding and agentic technologies, as it demonstrates a promising approach to maintaining security while leveraging GPT-5.5 capabilities within controlled environments.