A helper program that installs mods from the steam workshop to your GOG Stellaris. Currently supports only Linux - Windows support should be straightfoward, but difficult (for me) to test.
❯ ./sgmm install https://steamcommunity.com/sharedfiles/filedetails/\?id\=2077186491
Installing mod 2077186491
Fetching info
### Downloading ###
Attempting download via steamworkshop.download
Failed to request download: Resource temporarily unavailable (os error 11)
Attempting download via steamworkshopdownloader.io
Downloading https://api.steamworkshopdownloader.io/api/download/transmit?uuid=d7a52064-d712-4679-9381-545f229f8f2f
### Installing ###
Extracting to /home/florian/.local/share/Paradox Interactive/Stellaris/mod/steam_2077186491
Writing .mod file
Removing mods_registry.json
Open the Launcher once to regenerate it; until then, Stellaris won't recognize your mods.
Done!
❯ ./sgmm remove 2077186491 # Also accepts IDs
Removing mod 2077186491
Done!
Prebuilt binaries are available on the releases page. The CI runs also create binaries, in case you like the bleeding edge.