Simon Willison’s Weblog

21st April 2005 - Link Blog

Take Control with User JavaScript. Opera’s user scripts feature compatibility with Greasemonkey!

Posted 21st April 2005 at 9:51 pm

Recent articles

Anthropic's Project Glasswing - restricting Claude Mythos to security researchers - sounds necessary to me - 7th April 2026
The Axios supply chain attack used individually targeted social engineering - 3rd April 2026
Highlights from my conversation about agentic engineering on Lenny's Podcast - 2nd April 2026

This is a link post by Simon Willison, posted on 21st April 2005.

greasemonkey 54 opera 31

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