Release: datasette-ip-rate-limit 0.1a0
Simon Willison’s Weblog
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14th May 2026
Release
datasette-ip-rate-limit 0.1a0 — Rate limit Datasette requests by client IP address
The datasette.io site was being hammered by poorly-behaved crawlers, so I had Codex (GPT-5.5 xhigh) build a configurable rate limiting plugin to block IPs that were hammering specific areas of the site too quickly.
Here's the production configuration I'm using on that site for the new plugin:
datasette-ip-rate-limit: header: Fly-Client-IP max_keys: 10000 exempt_paths:
- "/static/*"
- "/-/turnstile*"
rules:
- name: public-demo-multi-parameter-table-pages
paths:
- "/global-power-plants/*"
- "/legislators/*"
window_seconds: 60 max_requests: 60 block_seconds: 20
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