Simon Willison announced the alpha release of Datasette Agent Micropython 0.1a0, aimed at safely generating and executing Python code. Early testing shows promise, with GPT-5.5 unable to break the sandbox security measures. The update was shared on June 2, 2026, alongside a sponsorship offer for exclusive LLM development insights.

An early alpha release of datasette-agent-micropython aims to let the Datasette Agent safely generate and execute Python code within a sandboxed environment. Initial testing has been encouraging, with GPT-5.5 so far unable to break out of the sandbox.