GLUE NEEDLES ARE NOT A MYTH, Y'ALL.
I've done "glue needles" before, but they're never as stiff as I want them to be. And they kind of soften up as you go so you have to keep redoing them. You can also use nail polish!
Here's how I do them - just before the end of your thread, paint on your glue or nail polish, pinch the thread and run your fingers down it (especially with nail polish - if you don't do this the polish will actually add width to the thread, you want it to be straight and slim), then let it dry. Once really dry and hard, cut the thread on the stiff part. You can cut it at a slight angle if you need a tip, but keep in mind that it'll fray faster if it's at an angle.
I use this method when I'm stringing beads with thicker thread (like 1-2mm cord) that can't really be used with a needle or doubled. It works fairly well, but with regular glue or nail polish the thread can still soften up after a while. If you're stringing a lot of beads with it you'll need to re-glue periodically. I haven't done it with pearls but I assume it would work equally well.
And I think if you had the time and wanted to do it, it would work even better if you used something like two-part epoxy to get a really nice hard "needle."