> For the complete documentation index, see [llms.txt](https://openrarity.gitbook.io/developers/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://openrarity.gitbook.io/developers/fundamentals.md).

# Fundamentals

- [Why we need OpenRarity](https://openrarity.gitbook.io/developers/fundamentals/why-we-need-openrarity.md)
- [Methodology](https://openrarity.gitbook.io/developers/fundamentals/methodology.md)
- [Library Design](https://openrarity.gitbook.io/developers/fundamentals/library-design.md)