Simon Willison’s Weblog

2nd June 2026

Release micropython-wasm 0.1a1 — Python library for running a MicroPython sandbox using WebAssembly

Fixes for some limitations that emerged while I was trying to use this to build datasette-agent-micropython.

Posted 2nd June 2026 at 7:20 pm

Recent articles

Initial impressions of Claude Fable 5 - 9th June 2026
Running Python code in a sandbox with MicroPython and WASM - 6th June 2026
Claude Opus 4.8: "a modest but tangible improvement" - 28th May 2026

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

python 1,257 sandboxing 45 webassembly 124 micropython 9

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