Anubis
Anubis weighs incoming HTTP requests to help block AI crawlers before they access a website.
About Anubis
Anubis is a Web AI Firewall Utility that issues one or more challenges to incoming HTTP requests to protect upstream resources from scraper bots and AI crawlers. It is designed to be lightweight for small sites and communities facing high volumes of automated requests.
It is described as a nuclear response that can also block smaller scrapers and good bots such as the Internet Archive. Specific bots can be allowlisted through bot policy definitions, and the source notes that Cloudflare may be sufficient in most cases.
Key features
- Issues one or more challenges to incoming HTTP requests
- Protects upstream resources from scraper bots and AI crawlers
- Supports bot policy definitions to explicitly allowlist bots
- Available as open source under the MIT license
Best for: Site operators who want to limit AI crawler traffic when they cannot or will not use Cloudflare.
Good for
- Designed to be lightweight for small sites and communities
- Allows explicit allowlisting of wanted bots through policy definitions
- Open source under MIT license
Watch out for
- Can block smaller scrapers and inhibit good bots such as Internet Archive
- Described as a nuclear response that is not needed in most cases
Anubis at a glance
- Website
- github.com/TecharoHQ/anubis
- Category
- Privacy & Security › Security Tools
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Anubis FAQ
Will Anubis affect good bots?
Yes, it may inhibit good bots like the Internet Archive, but bot policy definitions can be configured to allowlist them.
Should I use Anubis instead of Cloudflare?
The source states that in most cases Cloudflare can protect a given origin, and Anubis is for circumstances where Cloudflare cannot or will not be used.
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