UPDATE: Check out torrserver branch that works with TorrServer by YouROK. TorrServer is better maintained and is based on the same torrent library by anacrolix.

mpv-confluence

This script allows you to open magnet links using confluence torrent client.

It also tries to match external audio and subtitle files with video files.

Install and set up confluence on your PC or a server in your LAN
Clone this repo into your mpv/scripts directory or save main.lua as mpv-confluence.lua
(optional) Adjust server address in main.lua to your confluence HTTP address or put server=http://[confluence ip]:[port] in mpv/script-settings/mpv-confluence.conf
Open a magnet link in mpv.
(optional) Recommended mpv.conf options:

prefetch-playlist=yes