> ## Documentation Index
> Fetch the complete documentation index at: https://docs.paperzilla.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Which paper sources does Paperzilla cover?

> Paperzilla currently includes major preprint sources such as arXiv, medRxiv, bioRxiv, ChemRxiv, and ChinaXiv.

export const AiAgents = ({path}) => <Tip>
    <b>AI agents</b>: This page is available as <a href={path + '.md'}>markdown</a>. See also the <a href="/llms.txt">docs index</a> and <a href="/llms-full.txt">full docs</a>.
  </Tip>;

<AiAgents path="/answers/sources-covered" />

Paperzilla feed and cards currently surface papers from sources including:

* arXiv
* medRxiv
* bioRxiv
* ChemRxiv
* ChinaXiv

Source badges appear on paper cards so you can see origin at a glance.