Simon Willison's Weblog
- Quoting D. Richard Hipp
- AI Worming through Word
- Quoting Matthew Green
- Adding a custom MCP server to Claude and ChatGPT
- Discovering cryptographic weaknesses with Claude
- Quoting Akshat Bubna
- uv 0.12.0
- Anatomy of a Frontier Lab Agent Intrusion: A Technical Timeline of the July 2026 Incident
- moonshotai/Kimi-K3
- An opinionated guide to which AI to use to do stuff
- An Inside Look at the Relay Market Powering Token Resellers and Fraud
- sqlite-utils 3.39.1
- Ruff v0.16.0
- Quoting Boris Cherny
- Introducing Claude Opus 5
- The first known runaway AI agent - or a very bad marketing stunt?
- Quoting Seth Larson
- Quoting Thomas Ptacek
- OpenAI’s accidental cyberattack against Hugging Face is science fiction that happened
- Are AI labs pelicanmaxxing?