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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

Claude's new system prompt really doesn't want to reproduce song lyrics - 2nd September 2026
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Understanding ChatGPT Work - 30th August 2026

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

python 1,280 sandboxing 55 datasette 1,536 webassembly 129 datasette-agent 19 micropython 9

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