diff --git a/src/lint/linter/ArcanistClosureLinter.php b/src/lint/linter/ArcanistClosureLinter.php
new file mode 100644
--- /dev/null
+++ b/src/lint/linter/ArcanistClosureLinter.php
@@ -0,0 +1,109 @@
+<?php
+
+/**
+ * Uses gJSLint to detect errors and potential problems in JavaScript code.
+ */
+final class ArcanistClosureLinter extends ArcanistExternalLinter {
+
+  public function getInfoName() {
+    return 'Closure Linter';
+  }
+
+  public function getInfoURI() {
+    return 'https://developers.google.com/closure/utilities/';
+  }
+
+  public function getInfoDescription() {
+    return pht(
+      'Uses Google\'s Closure Linter to check Javascript code.');
+  }
+
+  public function getLinterName() {
+    return 'Closure Linter';
+  }
+
+  public function getLinterConfigurationName() {
+    return 'gjslint';
+  }
+
+  protected function getDefaultMessageSeverity($code) {
+    if (preg_match('/^W/', $code)) {
+      return ArcanistLintSeverity::SEVERITY_WARNING;
+    } else {
+      return ArcanistLintSeverity::SEVERITY_ERROR;
+    }
+  }
+
+  public function getDefaultBinary() {
+    $prefix = $this->getDeprecatedConfiguration('lint.closure.prefix');
+    $bin = $this->getDeprecatedConfiguration('lint.closure.bin', 'gjslint');
+
+    if ($prefix) {
+      return $prefix.'/'.$bin;
+    } else {
+      return $bin;
+    }
+  }
+
+  public function shouldUseInterpreter() {
+    return true;
+  }
+
+  public function getDefaultInterpreter() {
+    return 'python';
+  }
+
+  public function getInstallInstructions() {
+    return pht('Install gJSLint using `sudo easy_install http://closure-linter'.
+      '.googlecode.com/files/closure_linter-latest.tar.gz`');
+  }
+
+  public function shouldExpectCommandErrors() {
+    return true;
+  }
+
+  public function supportsReadDataFromStdin() {
+    return false;
+  }
+
+  protected function getDefaultFlags() {
+    $options = $this->getDeprecatedConfiguration(
+      'lint.closure.options',
+      array());
+
+    return $options;
+  }
+
+  protected function parseLinterOutput($path, $err, $stdout, $stderr) {
+    // Each line looks like this:
+    // Line 46, E:0110: Line too long (87 characters).
+    $regex = '/^Line (\d+), (E:\d+): (.*)/';
+    $severity_code = ArcanistLintSeverity::SEVERITY_ERROR;
+
+    $lines = explode("\n", $stdout);
+
+    $messages = array();
+    foreach ($lines as $line) {
+      $line = trim($line);
+      $matches = null;
+      if (!preg_match($regex, $line, $matches)) {
+        continue;
+      }
+      foreach ($matches as $key => $match) {
+        $matches[$key] = trim($match);
+      }
+
+      $message = new ArcanistLintMessage();
+      $message->setPath($path);
+      $message->setLine($matches[1]);
+      $message->setName($matches[2]);
+      $message->setCode($this->getLinterName());
+      $message->setDescription($matches[3]);
+      $message->setSeverity($severity_code);
+
+      $messages[] = $message;
+    }
+
+    return $messages;
+  }
+}