> For the complete documentation index, see [llms.txt](https://specification.dm3.network/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://specification.dm3.network/utility-extensions.md).

# Utility Extensions

- [Message Storage Protocol (DM3MSP)](https://specification.dm3.network/utility-extensions/message-storage-protocol-dm3msp.md)
- [Storage](https://specification.dm3.network/utility-extensions/message-storage-protocol-dm3msp/storage.md)
- [Data Structure](https://specification.dm3.network/utility-extensions/message-storage-protocol-dm3msp/data-structure.md)