Simon Willison’s Weblog

SharedID (via) Single sign-in system based on FOAF—but it isn’t decentralised.

Posted 8th March 2004 at 4:54 pm

Recent articles

GPT-4.1: Three new million token input models from OpenAI, including their cheapest model yet - 14th April 2025
CaMeL offers a promising new direction for mitigating prompt injection attacks - 11th April 2025
Model Context Protocol has prompt injection security problems - 9th April 2025