Simon Willison’s Weblog

23rd January 2026

None

TIL Cloudflare response header transform rules — I serve Python files from my `tools.simonwillison.net` subdomain, which is a GitHub Pages site that's served via Cloudflare. For example:

Posted 23rd January 2026 at 3:08 pm

Recent articles

The Pelican comparison grid for Astra is pretty interesting - 4th September 2026
OpenAI's rogue agents were caught communicating via public wikis - 4th September 2026
Claude's new system prompt really doesn't want to reproduce song lyrics - 2nd September 2026

This is a beat by Simon Willison, posted on 23rd January 2026.

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