One of the important items that is important to define in the Visual Studio Code extension, is the command registration - when the extension is activated, any custom commands have to be integrated into the environment - that is typically done through vscode.commands.registerCommand : "contributes" : { "commands" : [ { "command" : "extension.lookupApi" , "title" : "Lookup API" } ], "keybindings" : [ { "command" : "extension.lookupApi" , "key" : "ctrl+f1" , "mac" : "cmd+f1" , "when" : "editorTextFocus" } ] } results = parsedJson .