# Sources

Sources are links to apps provided by developers and they control what apps are available to download through AltStore PAL. When you find an app you want to download from AltStore PAL, just add the source from the developer's website and their apps will appear in the Browse tab. 

To add and manage sources, first go to the Sources tab. From there you can add a source by tapping the ”+” button and enter the source's URL. 

{% hint style="info" %}
Not sure where to start? Try adding one of our Recommended Sources!
{% endhint %}

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# Agent Instructions: Querying This Documentation

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

```
GET https://faq.altstore.io/altstore-pal/sources.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.