diff --git a/commands/expand.js b/commands/expand.js
new file mode 100644
index 0000000..f327bcb
--- /dev/null
+++ b/commands/expand.js
@@ -0,0 +1,9 @@
+exports.runQuery = async (roomId, event, userInput) => {
+  return matrix.utils.fetchEncryptedOrNot(roomId, { event_id: userInput })
+    .then(event => matrix.utils.expandReact(event))
+    .catch(e => {
+      matrixClient.sendHtmlNotice(roomId, 'Sad!', '<strong>Sad!</strong>')
+    })
+    .catch(() => {});
+  };
+
diff --git a/commands/fediverse/react.js b/commands/fediverse/react.js
new file mode 100644
index 0000000..a75fa14
--- /dev/null
+++ b/commands/fediverse/react.js
@@ -0,0 +1,26 @@
+const run = async (roomId, event, id, emoji, remove) => {
+  axios({
+    method: remove ? 'DELETE' : 'PUT',
+    url: `${config.fediverse.domain}/api/v1/pleroma/statuses/${id}/reactions/${emoji}`,
+    headers: { Authorization: `Bearer ${fediverse.auth.access_token}` },
+  })
+    .then(() => {
+      matrix.utils.addReact(event, '✅');
+    })
+    .catch((e) => {
+      matrix.utils.addReact(event, '❌');
+      matrix.utils.sendError(event, roomId, e);
+    });
+};
+
+exports.runQuery = async (roomId, event, userInput, remove) => {
+  try {
+    const chunks = userInput.trim().split(' ');
+    if (chunks.length !== 2) throw '';
+    const id = encodeURIComponent(chunks[0]);
+    const emoji = encodeURIComponent(chunks[1]);
+    return run(roomId, event, id, emoji, remove);
+  } catch (e) {
+    return matrixClient.sendHtmlNotice(roomId, 'Sad!', '<strong>Sad!</strong>').catch(() => {});
+  }
+};