Language Server for Cisco IOS is an LSP for Cisco IOS configuration. It is to be used with editors like VSCode or NeoVIM that support the Langurage Server Protocol defined by Microsoft.
This app is at Alpha stage meaning it has very limited functionality and requires developer expertise to get working. As this app matures these issues will be addressed making much more user friendly.
The target audience, eventually, is Network Engineers tasked with creating and maintaining network configurations.