# Project Lumos > Lumos is building a foundation model of human physiology — a continuous-time, multimodal model of how the human body actually works, and the missing primitive beneath modern medicine and drug development. This file is generated from the site's source content. It is a curated index for AI assistants, not a crawler permissions file. For crawler permissions, see `/robots.txt`. ## Core Pages - [Home](https://www.projectlumos.org/): Primary overview of the site. ## Discovery - [Sitemap](https://www.projectlumos.org/sitemap-index.xml): Complete search-engine sitemap, if available. - [Robots policy](https://www.projectlumos.org/robots.txt): Crawler permissions for automated agents.