Simon Willison’s Weblog

Representational State Transfer. As usual, Wikipedia has a superb take on a complex and frequently misunderstood topic.

Posted 11th May 2005 at 7:17 pm

Recent articles

First impressions of Claude Cowork, Anthropic's general agent - 12th January 2026
My answers to the questions I posed about porting open source code with LLMs - 11th January 2026
Fly's new Sprites.dev addresses both developer sandboxes and API sandboxes at the same time - 9th January 2026

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