diff --git a/acronyms_expander/org.gajim.Gajim.Plugin.acronyms_expander.metainfo.xml b/acronyms_expander/org.gajim.Gajim.Plugin.acronyms_expander.metainfo.xml
new file mode 100644
index 0000000..6f52a3c
--- /dev/null
+++ b/acronyms_expander/org.gajim.Gajim.Plugin.acronyms_expander.metainfo.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<component type="addon">
+  <id>org.gajim.Gajim.Plugin.acronyms_expander</id>
+  <extends>org.gajim.Gajim</extends>
+  <name>Acronyms Expander Plugin</name>
+  <summary>Replace acronyms (or other strings) with given expansions/substitutes</summary>
+  <url type="homepage">https://gajim.org/</url>
+  <metadata_license>CC-BY-SA-3.0</metadata_license>
+  <project_license>GPL-3.0-only</project_license>
+  <update_contact>gajim-devel_AT_gajim.org</update_contact>
+</component>
+
diff --git a/anti_spam/org.gajim.Gajim.Plugin.anti_spam.metainfo.xml b/anti_spam/org.gajim.Gajim.Plugin.anti_spam.metainfo.xml
new file mode 100644
index 0000000..142148c
--- /dev/null
+++ b/anti_spam/org.gajim.Gajim.Plugin.anti_spam.metainfo.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<component type="addon">
+  <id>org.gajim.Gajim.Plugin.anti_spam</id>
+  <extends>org.gajim.Gajim</extends>
+  <name>Anti Spam Plugin</name>
+  <summary>Block some incoming messages</summary>
+  <url type="homepage">https://gajim.org/</url>
+  <metadata_license>CC-BY-SA-3.0</metadata_license>
+  <project_license>GPL-3.0-only</project_license>
+  <update_contact>gajim-devel_AT_gajim.org</update_contact>
+</component>
+
diff --git a/clients_icons/org.gajim.Gajim.Plugin.clients_icons.metainfo.xml b/clients_icons/org.gajim.Gajim.Plugin.clients_icons.metainfo.xml
new file mode 100644
index 0000000..5b9ae3a
--- /dev/null
+++ b/clients_icons/org.gajim.Gajim.Plugin.clients_icons.metainfo.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<component type="addon">
+  <id>org.gajim.Gajim.Plugin.clients_icons</id>
+  <extends>org.gajim.Gajim</extends>
+  <name>Clients icons Plugin</name>
+  <summary>Show client icons in your contact list in a tooltip</summary>
+  <url type="homepage">https://gajim.org/</url>
+  <metadata_license>CC-BY-SA-3.0</metadata_license>
+  <project_license>GPL-3.0-only</project_license>
+  <update_contact>gajim-devel_AT_gajim.org</update_contact>
+</component>
+
diff --git a/length_notifier/org.gajim.Gajim.Plugin.length_notifier.metainfo.xml b/length_notifier/org.gajim.Gajim.Plugin.length_notifier.metainfo.xml
new file mode 100644
index 0000000..d3fd8af
--- /dev/null
+++ b/length_notifier/org.gajim.Gajim.Plugin.length_notifier.metainfo.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<component type="addon">
+  <id>org.gajim.Gajim.Plugin.length_notifier</id>
+  <extends>org.gajim.Gajim</extends>
+  <name>Message Length Notifier Plugin</name>
+  <summary>Highlight the chat window’s message input if a specified message length is exceeded</summary>
+  <url type="homepage">https://gajim.org/</url>
+  <metadata_license>CC-BY-SA-3.0</metadata_license>
+  <project_license>GPL-3.0-only</project_license>
+  <update_contact>gajim-devel_AT_gajim.org</update_contact>
+</component>
+
diff --git a/message_box_size/org.gajim.Gajim.Plugin.message_box_size.metainfo.xml b/message_box_size/org.gajim.Gajim.Plugin.message_box_size.metainfo.xml
new file mode 100644
index 0000000..89fd635
--- /dev/null
+++ b/message_box_size/org.gajim.Gajim.Plugin.message_box_size.metainfo.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<component type="addon">
+  <id>org.gajim.Gajim.Plugin.message_box_size</id>
+  <extends>org.gajim.Gajim</extends>
+  <name>Message Box Size Plugin</name>
+  <summary>Adjust the height of the 'New message' input field</summary>
+  <url type="homepage">https://gajim.org/</url>
+  <metadata_license>CC-BY-SA-3.0</metadata_license>
+  <project_license>GPL-3.0-only</project_license>
+  <update_contact>gajim-devel_AT_gajim.org</update_contact>
+</component>
+
diff --git a/now_listen/org.gajim.Gajim.Plugin.now_listen.metainfo.xml b/now_listen/org.gajim.Gajim.Plugin.now_listen.metainfo.xml
new file mode 100644
index 0000000..d16a17b
--- /dev/null
+++ b/now_listen/org.gajim.Gajim.Plugin.now_listen.metainfo.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<component type="addon">
+  <id>org.gajim.Gajim.Plugin.now_listen</id>
+  <extends>org.gajim.Gajim</extends>
+  <name>Now Listen Plugin</name>
+  <summary>Paste information about the music you are playing</summary>
+  <url type="homepage">https://gajim.org/</url>
+  <metadata_license>CC-BY-SA-3.0</metadata_license>
+  <project_license>GPL-3.0-only</project_license>
+  <update_contact>gajim-devel_AT_gajim.org</update_contact>
+</component>
+
diff --git a/quick_replies/org.gajim.Gajim.Plugin.quick_replies.metainfo.xml b/quick_replies/org.gajim.Gajim.Plugin.quick_replies.metainfo.xml
new file mode 100644
index 0000000..844cf07
--- /dev/null
+++ b/quick_replies/org.gajim.Gajim.Plugin.quick_replies.metainfo.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<component type="addon">
+  <id>org.gajim.Gajim.Plugin.quick_replies</id>
+  <extends>org.gajim.Gajim</extends>
+  <name>Quick Replies Plugin</name>
+  <summary>Add a menu with customizable quick replies</summary>
+  <url type="homepage">https://gajim.org/</url>
+  <metadata_license>CC-BY-SA-3.0</metadata_license>
+  <project_license>GPL-3.0-only</project_license>
+  <update_contact>gajim-devel_AT_gajim.org</update_contact>
+</component>
+
diff --git a/triggers/org.gajim.Gajim.Plugin.triggers.metainfo.xml b/triggers/org.gajim.Gajim.Plugin.triggers.metainfo.xml
new file mode 100644
index 0000000..6a2e55e
--- /dev/null
+++ b/triggers/org.gajim.Gajim.Plugin.triggers.metainfo.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<component type="addon">
+  <id>org.gajim.Gajim.Plugin.triggers</id>
+  <extends>org.gajim.Gajim</extends>
+  <name>Triggers Plugin</name>
+  <summary>Configure Gajim's behaviour for each contact</summary>
+  <url type="homepage">https://gajim.org/</url>
+  <metadata_license>CC-BY-SA-3.0</metadata_license>
+  <project_license>GPL-3.0-only</project_license>
+  <update_contact>gajim-devel_AT_gajim.org</update_contact>
+</component>
+