> For the complete documentation index, see [llms.txt](https://sailwars-1.gitbook.io/sailwars-whitepaper/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://sailwars-1.gitbook.io/sailwars-whitepaper/game-features/main-town-construction.md).

# Main Town Construction

Players need to establish their own city in an unoccupied sea area and gradually expand their territory. The city includes the following types of buildings:

* Main City: The core building of the city that affects the level cap of other buildings.
* Resource Buildings: Lumber Mill, Granary, Iron Mine, Gold Mine, etc.
* Military Buildings: Shipyard, Repair Yard, Barracks, Fortress, etc.
* Technology Buildings: Research Institute, Library, Observatory, etc.
* Other Buildings: Trading Post, Diplomatic Embassy, Supply Station, etc.


---

# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.

## Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://sailwars-1.gitbook.io/sailwars-whitepaper/game-features/main-town-construction.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.