Pages don't have to be reachable only from inside MojoPad.
Edit ▸ Copy Link to Page (⌃⇧⌘C) puts a mojopad:// link to
the current page on the clipboard. Paste it into Mail, Things, Calendar, a Terminal
script, anywhere — clicking it opens MojoPad, opens the right document, and lands on
the page. Paste one into another MojoPad document and it auto-links there too:
cross-document links.
In Settings ▸ Web Clipper you'll find a snippet of JavaScript. Make a new bookmark in Safari or Chrome and paste it as the bookmark's address. From then on, clicking that bookmark on any web page sends it to MojoPad:
Every print dialog on your Mac gains a Save PDF to MojoPad entry (in the PDF pop-up menu, bottom-left). Receipts, confirmations, articles — straight into the frontmost document as a viewable PDF page.