diff --git a/conkeror/.conkerorrc/init.org b/conkeror/.conkerorrc/init.org
index 991f9ba..ab07b92 100644
--- a/conkeror/.conkerorrc/init.org
+++ b/conkeror/.conkerorrc/init.org
@@ -33,3 +33,28 @@ access.
 #+BEGIN_SRC js
   hint_digits = "arstdhneio";
 #+END_SRC
+
+Add the ~search-engines/~ directory to the opensearch load path.
+
+#+BEGIN_SRC js
+  function add_to_opensearch_load_path(new_path) {
+      if (new_path.startsWith('/')) {
+          opensearch_load_paths.push(new_path);
+      } else {
+          let path = get_home_directory();
+          path.append('.conkerorrc');
+          path.append(new_path);
+
+          opensearch_load_paths.push(path);
+      }
+  }
+
+  add_to_opensearch_load_path('search-engines');
+#+END_SRC
+
+Add a Mozilla Developer Network webjump. This uses their OpenSearch
+description.
+
+#+BEGIN_SRC js
+  define_opensearch_webjump("mdn", "mozilla-developer-network.xml");
+#+END_SRC
diff --git a/conkeror/.conkerorrc/search-engines/mozilla-developer-network.xml b/conkeror/.conkerorrc/search-engines/mozilla-developer-network.xml
new file mode 100644
index 0000000..9d06736
--- /dev/null
+++ b/conkeror/.conkerorrc/search-engines/mozilla-developer-network.xml
@@ -0,0 +1,19 @@
+<OpenSearchDescription xmlns="http://a9.com/-/spec/opensearch/1.1/"
+                       xmlns:moz="http:/www.mozilla.org/2006/browser/search/">
+<ShortName>Mozilla Developer Network</ShortName>
+
+<Description>Search Mozilla Developer Network documentation</Description>
+<InputEncoding>UTF-8</InputEncoding>
+<Image width="16" height="16" type="image/png">https://developer.cdn.mozilla.net/static/img/favicon32.e02854fdcf73.png</Image>
+<Url type="text/html" method="get" template="https://developer.mozilla.org/en-US/search">
+  <Param name="q" value="{searchTerms}"/>
+  <Param name="w" value="3"/>
+  <Param name="qs" value="plugin"/>
+</Url>
+<Url type="application/opensearchdescription+xml"
+     rel="self"
+     template="https://developer.mozilla.org/en-US/search/xml"/>
+<Url type="application/x-suggestions+json"
+     template="https://developer.mozilla.org/en-US/search/suggestions?q={searchTerms}"/>
+<moz:SearchForm>https://developer.mozilla.org/en-US/search</moz:SearchForm>
+</OpenSearchDescription>
\ No newline at end of file