The library supports a few more features that the CLI does not, including being able to work with raw BaseComic and BaseMetadata objects, querying sources directly, or perform operations on Mandown comics stored in the file system.
If you want to do whatever you want with Mandown's sources, you can use the mandown.query function. This function returns a BaseComic, which contains two fields: metadata and chapters. The former is a BaseMetadata object, and the latter is a list of BaseChapter objects.
import mandown
comic: BaseComic = mandown.query("https://example.com/comic")
print(comic.metadata.title, comic.chapters[0].title)