The Sway language server is contained in the forc-lsp binary, which is installed as part of the Fuel toolchain . Once installed, it can be used with a variety of IDEs. It must be installed for any of the IDE plugins to work.
Icon InfoCircle
Note: There is no need to manually run forc-lsp (the plugin will automatically start it), however both forc and forc-lsp must be in your $PATH. To check if forc is in your $PATH, type forc --help in your terminal.