Language Server Protocol

• The Language Server Protocol (LSP) defines the protocol used between an editor and a language server that provides language features
• autocomplete
• goto definition
• documentation on hover
• etc
• https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/
• Clients (development tools) communicate with the server using the language protocol over JSON-RPC

Language Server

• A Language Server is an external process with language specific rules

• Examples

• rust-analyzer
• gopls
• tsserver (executed by the node language runtime)
• html
• cssls
• tailwindcss
• svelte
• lua_ls
• graphql
• emmet_ls
• prismals
• pyright

Language Client

• Your code editor

• Examples

• vscode