diff --git a/src/main.rs b/src/main.rs
index c6450f1..b675013 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -209,7 +209,57 @@ async fn show_feed(Query(params): Query<ShowFeed>, Host(host): Host) -> Result<R
         body.push_str("<content:encoded><![CDATA[");
         body.push_str("<p><a href=\"");
         body.push_str(&bookmark.url);
-        body.push_str("\">Original Mastodon Post</a></p>");
+        body.push_str("\">Original Mastodon Post</a>");
+
+        let client = &params.client;
+        if !client.is_empty() {
+            body.push_str(" - <a href=\"");
+            match client.as_str() {
+                "host" => {
+                    body.push_str("https://");
+                    body.push_str(&params.host);
+                    body.push_str("/authorize_interaction?uri=");
+                    body.push_str(&bookmark.url);
+                    body.push_str("\">Open in your Mastodon host</a>");
+                }
+                "elk" => {
+                    body.push_str("https://elk.zone/");
+                    body.push_str(&bookmark.url);
+                    body.push_str("\">Open in Elk</a>");
+                }
+                "elkcanary" => {
+                    body.push_str("https://main.elk.zone/");
+                    body.push_str(&bookmark.url);
+                    body.push_str("\">Open in Elk</a>");
+                }
+                "phanpy" => {
+                    body.push_str("https://phanpy.social/#/");
+                    body.push_str(&bookmark.url);
+                    body.push_str("\">Open in Phanpy</a>");
+                }
+                "phanpydev" => {
+                    body.push_str("https://dev.phanpy.social/#/");
+                    body.push_str(&bookmark.url);
+                    body.push_str("\">Open in Phanpy</a>");
+                }
+                "trunks" => {
+                    body.push_str("https://trunks.social/resolve?url=");
+                    body.push_str(&bookmark.url);
+                    body.push_str("\">Open in Trunks</a>");
+                }
+                "ivory" => {
+                    body.push_str("ivory://acct/openURL?url=");
+                    body.push_str(&bookmark.url);
+                    body.push_str("\">Open in Ivory</a>");
+                }
+                _ => {
+                    body.push_str(&bookmark.url);
+                    body.push_str("\">Open original post - unknown client :(</a>");
+                }
+            }
+        }
+
+        body.push_str("</p>");
         body.push_str(&escape_for_cdata(&bookmark.content));
         body.push_str("]]></content:encoded>");
         body.push_str("</item>\n");
@@ -235,6 +285,8 @@ fn escape_for_cdata(input: &str) -> String {
 struct ShowFeed {
     host: String,
     token: String,
+    #[serde(default)]
+    client: String,
 }
 
 #[derive(Deserialize)]
diff --git a/src/svelte/App.svelte b/src/svelte/App.svelte
index ddd975b..48dfb8b 100644
--- a/src/svelte/App.svelte
+++ b/src/svelte/App.svelte
@@ -2,10 +2,19 @@
   export let launchLogin;
   export let feedUrlPromise;
 
+  let baseFeedUrl;
+
   function submitLoginForm(e) {
     launchLogin(e.target.host.value);
     e.preventDefault();
   }
+
+  function changeClient(e) {
+    const client = e.target.value;
+    const result = document.querySelector('input');
+    if(!baseFeedUrl) baseFeedUrl = result.value;
+    result.value = `${client === 'none' ? baseFeedUrl : `${baseFeedUrl}&client=${client}`}`;
+  }
 </script>
 
 {#await feedUrlPromise}
@@ -34,12 +43,23 @@
       />
     </form>
   {:else}
-    <div class="green">
-      Subscribe to the following URL in your feed reader. Anybody who knows this
-      URL can read your bookmarks!
-      <form class="pure-form">
+    <div>
+      <p class="green">Subscribe to the following URL in your feed reader. Anybody who knows this
+      URL can read your bookmarks!</p>
+      <form class="pure-form pure-form-stacked">
         <fieldset>
           <input type="text" class="pure-input-1" readOnly value={feedUrl} />
+          <label for="form-client-link">Optional: Add an "Open In" link to bookmarks</label>
+          <select on:change={changeClient}>
+            <option value="none" selected>None</option>
+            <option value="host">Your Mastodon Host</option>
+            <option value="elk">Elk</option>
+            <option value="elkcanary">Elk Canary</option>
+            <option value="phanpy">Phanpy</option>
+            <option value="phanpydev">Phanpy Dev</option>
+            <option value="trunks">Trunks</option>
+            <option value="ivory">Ivory</option>
+          </select>
         </fieldset>
       </form>
     </div>