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Open source devs are fighting AI crawlers with cleverness and vengeance | TechCrunch

Mar 28, 2025 - techcrunch.com
AI web crawling bots are causing significant issues for open source developers, as they often ignore the Robots Exclusion Protocol and can lead to DDoS outages. Developers like Xe Iaso and others have been disproportionately affected due to the public nature of FOSS infrastructure and limited resources. Iaso created a tool called Anubis, a reverse proxy proof-of-work check, to block bots while allowing human users, gaining rapid popularity in the FOSS community. Other developers have resorted to extreme measures, such as banning entire countries, to mitigate the impact of aggressive AI crawlers.

In response to the growing problem, developers are employing creative and sometimes humorous solutions. Tools like Nepenthes and Cloudflare's AI Labyrinth aim to trap or confuse bots by feeding them irrelevant or fake content. Despite these efforts, some developers, like SourceHut’s Drew DeVault, express frustration and call for a halt to the development and use of AI technologies that contribute to these issues. However, given the unlikely cessation of AI advancements, developers continue to fight back with ingenuity and humor.

Key takeaways:

  • AI web crawling bots often ignore the Robots Exclusion Protocol, causing significant issues for open source developers by overloading their servers.
  • Developers like Xe Iaso have created tools such as Anubis to combat these bots, using reverse proxy proof-of-work checks to differentiate between human users and bots.
  • Other developers have resorted to more aggressive tactics, like creating traps with fake content to mislead and waste the resources of AI crawlers.
  • Despite these efforts, there is a call within the developer community to stop legitimizing AI tools that contribute to these issues, though the likelihood of this happening is low.
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