Simon Willison’s Weblog

2nd June 2026

Release datasette-agent-micropython 0.1a0 — MicroPython in a WASM sandbox as a tool for Datasette Agent

I want Datasette Agent to be able to generate and execute Python code safely. This alpha is looking promising so far. GPT-5.5 has so far failed to break out of the sandbox!

Posted 2nd June 2026 at 7:28 pm

Recent articles

Stateless MCP has recaptured my interest (and inspired mcp-explorer and datasette-mcp) - 31st July 2026
OpenAI’s accidental cyberattack against Hugging Face is science fiction that happened - 22nd July 2026
A Fireside Chat with Cat and Thariq from the Claude Code team - 21st July 2026

This is a beat by Simon Willison, posted on 2nd June 2026.

python 1,271 sandboxing 52 datasette 1,531 webassembly 129 datasette-agent 19 micropython 9

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