Simon Willison — 2026-05-15#

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Simon’s latest AI-assisted project is a lightweight QR code generator built entirely with the help of Claude. It perfectly highlights his ongoing exploration of “vibe-coding” to quickly spin up practical, small-scoped utilities for everyday tasks.

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[QR code generator] · Source Simon used Claude to write a custom tool for instantly generating QR codes. The utility gracefully handles standard text and URL inputs, and also features a dedicated mode for generating QR codes that connect mobile devices to WiFi networks. It serves as another practical demonstration of using generative AI to rapidly build, iterate, and ship helpful little tools.