> For the complete documentation index, see [llms.txt](https://docs.ensuro.co/ensuro-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ensuro.co/ensuro-docs/smart-contracts/contracts/extensions.md).

# Extensions

The extensions are contracts used to support particular use cases. They operate outside of the protocol and have their [own repository](https://github.com/ensuro/ensuro-extensions).