diff --git a/cli.js b/cli.js
index 04dcbf8..8e6cc6a 100755
--- a/cli.js
+++ b/cli.js
@@ -5,6 +5,15 @@ var packager = require('./')
 args.dir = args._[0]
 args.name = args._[1]
 
+var protocolSchemes = args.protocol
+var protocolNames = args['protocol-names']
+
+if (protocolSchemes && protocolNames && protocolNames.length === protocolSchemes.length) {
+  args.protocol = protocolSchemes.map(function (scheme, i) {
+    return {schemes: [scheme], name: protocolNames[i]}
+  })
+}
+
 if (!args.dir || !args.name) {
   console.error('Usage: atom-shell-packager <sourcedir> <Appname>')
   process.exit(1)
diff --git a/index.js b/index.js
index ca4a239..2f4f11a 100644
--- a/index.js
+++ b/index.js
@@ -57,6 +57,15 @@ module.exports = function packager (opts, cb) {
     pl2.CFBundleIdentifier = bundleHelperId
     pl2.CFBundleName = opts.name
 
+    if (opts.protocols) {
+      pl2.CFBundleURLTypes = pl1.CFBundleURLTypes = opts.protocols.map(function (protocol) {
+        return {
+          CFBundleURLName: protocol.name,
+          CFBundleURLSchemes: [].concat(protocol.schemes)
+        }
+      })
+    }
+
     fs.writeFileSync(paths.info1, plist.build(pl1))
     fs.writeFileSync(paths.info2, plist.build(pl2))