Simon Willison builds a github-code Web Component with GPT-5.5

Simon Willison's Blog·medium signal

Simon Willison shipped an experimental `<github-code>` Web Component that embeds code directly from GitHub via an href attribute, built entirely by prompting GPT-5.5. It's a concrete, replicable example of one-shot component generation and the kind of small tool a builder can now spin up in minutes.