> For the complete documentation index, see [llms.txt](https://docs.sail.fun/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.sail.fun/sail-protocol/captains/overview.md).

# Overview

In the Sail protocol, the Captain is a user who is primarily responsible for:

* [Launching a Ship](/sail-protocol/captains/launching-a-ship.md)
* [Buying NFTs](/sail-protocol/captains/buying-nfts.md)
* [Listing NFTs](/sail-protocol/captains/listing-nfts.md)