Simon Willison’s Weblog

25th October 2025

If you have an AGENTS.md file, you can source it in your CLAUDE.md using @AGENTS.md to maintain a single source of truth.

— Claude Docs, with the official answer to standardizing on AGENTS.md

Posted 25th October 2025 at 4:57 am

Recent articles

A new feature for my blog, built using my voice - 9th October 2026
Claude Haiku 5.5 - 7th October 2026
We're going to need default hard budget caps on pretty much everything - 3rd October 2026
OpenAI DevDay 2026 live blog - 29th September 2026

This is a quotation collected by Simon Willison, posted on 25th October 2025.

ai 2,274 generative-ai 2,016 llms 1,982 anthropic 347 claude 317 coding-agents 256 claude-code 129