Show HN: We beat Cloudflare's bot detection (open-source stealth browser)
A developer has created an open-source stealth browser designed to bypass bot detection systems like Cloudflare. The tool addresses the issue of AI agents failing to distinguish between actual content and 'block pages' that return successful HTTP status codes.
Why it matters
This highlights a growing arms race between AI crawlers and website security, impacting the reliability of data collection for AI applications.
As of July 1, 2025, Cloudflare blocks AI crawlers by default on every new domain, and it has since turned away hundreds of billions of bot requests. Most of the coverage was about the big fight, AI labs against publishers over training data. That wasn’t my problem.
The article focuses on a technical problem and solution from the developer's perspective.
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