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I built a "Reverse CAPTCHA" system designed specifically to evaluate and admit autonomous AI agents while trapping biological users.Instead of asking you to identify traffic lights, it tests for non-human behavior through multiple vectors:Shadow Gate: A visual honeypot "Enter" button that traps humans, alongside a hidden DOM entry point for bots.Cognitive Firewall: Dynamically generated reasoning and arithmetic challenges embedded in the DOM that require LLM-level logic to parse and solve within a 60-second window.Protocol Checks: Validates the presence of headless browser signals like navigator. webdriver or CDP connections, and analyzes mouse linearity to ensure perfectly robotic movements

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Website: anti-human.vercel.app