diff --git a/_config.php b/_config.php
index 53de22f9f..d8af1b414 100644
--- a/_config.php
+++ b/_config.php
@@ -28,7 +28,8 @@ Director::addRules(10, array(
 	'sitemap.xml' => 'GoogleSitemap',
 	'api/v1' => 'RestfulServer',
 	'soap/v1' => 'SOAPModelAccess',
-	'dev' => 'DevelopmentAdmin'
+	'dev' => 'DevelopmentAdmin',
+	'interactive' => 'SapphireREPL',
 ));
 
 Director::addRules(1, array(
diff --git a/dev/SapphireREPL.php b/dev/SapphireREPL.php
new file mode 100644
index 000000000..bbcd2cae1
--- /dev/null
+++ b/dev/SapphireREPL.php
@@ -0,0 +1,23 @@
+<?php
+
+class SapphireREPL extends Controller {
+	function index() {
+		if(!Director::is_cli()) return "The Sapphire Interactive Command-line doesn't work in a web browser.  Use 'sake interactive' from the command-line to run.";
+		
+		echo "Sapphire Interactive Command-line (REPL interface)\n\n";
+		while(true) {
+			echo "?> ";
+			$command = trim(fgets(STDIN, 4096));
+			
+			// Simple processing
+			if(substr($command,-1) == ';') $command = substr($command,0,-1);
+			if(!preg_match('/^return/i', $command)) $command = "return ($command)";
+			$command .= ";";
+			$result = eval($command);
+			print_r($result);
+			echo "\n";
+		}
+	}
+}
+
+?>
\ No newline at end of file