Simon Willison’s Weblog

Greasemonkey: Yet Another Reason to Use Firefox. Great writeup of Greasemonkey on the PC World Techlog(!)

Posted 27th May 2005 at 9:37 pm

Recent articles

Video: Building a tool to copy-paste share terminal sessions using Claude Code for web - 23rd October 2025
Dane Stuckey (OpenAI CISO) on prompt injection risks for ChatGPT Atlas - 22nd October 2025
Living dangerously with Claude - 22nd October 2025

firefox 90 greasemonkey 54

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe