Lagotto Meter is a web based tool that evaluates the semantic truth of a website as perceived by an artificial intelligence agent. Developed by lake8.dev, the tool measures the discrepancy between what a website claims to be and what an AI agent actually finds through publicly available documentation, articles, and case studies. The concept draws an analogy to the Lagotto Romagnolo dog breed, known for its ability to sniff out truffles, suggesting that the tool uncovers hidden gaps in a site’s verifiable substance. The primary function of Lagotto Meter is to provide an AI readability score that penalizes self referential or demagogic content. It operates on the premise that traditional ranking pages relying on keywords are no longer sufficient; instead, documented proof of expertise is required. The tool is free to use, and its methodology is transparent and replicable. Users receive a point by point breakdown of how the analysis was performed, using tools and criteria that are publicly accessible and verifiable by anyone. Typical use cases involve website owners, content creators, or marketers who want to audit their online presence for credibility in the eyes of AI systems. The workflow begins by submitting a website URL to the tool, which then scans the site’s content and compares declared claims against actual evidence found in public sources. The output highlights the delta, or gap, between stated claims and AI perceived reality, offering a clear metric for improvement. Technically, Lagotto Meter is available as a beta tool at lake8.dev forward slash lagotto meter. No specific system requirements or installation steps are mentioned; it operates as a web application accessible through a standard browser. The tool emphasizes honesty and openness, making its analysis reproducible by third parties.