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Simon Willison: Experimenting with Starlette 1.0 Using Claude Skills
On the day Starlette 1.0 shipped (March 22), Willison immediately used a Claude skill to build a working Starlette app, demonstrating how AI coding tools can absorb a new stable API and generate correct production code on release day. This is a practical demonstration of the 'Claude as pair programmer for new stable APIs' workflow, with Starlette downloaded 325M times/month as FastAPI's foundation making this high-impact. The post documents the skill and any gaps encountered.
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