diff --git a/dev-ml/ocamlnet/metadata.xml b/dev-ml/ocamlnet/metadata.xml
new file mode 100644
index 0000000..196389c
--- /dev/null
+++ b/dev-ml/ocamlnet/metadata.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="project">
+	<email>ml@gentoo.org</email>
+	<name>Gentoo ML Project</name>
+	</maintainer>
+<use>
+	<flag name="httpd">Enables net-httpd web server component</flag>
+	<flag name="zip">Enables netzip support to read/write gzip data using object channels</flag>
+</use>
+</pkgmetadata>
diff --git a/dev-python/deprecation/metadata.xml b/dev-python/deprecation/metadata.xml
new file mode 100644
index 0000000..ff92bdf
--- /dev/null
+++ b/dev-python/deprecation/metadata.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="project">
+		<email>python@gentoo.org</email>
+	</maintainer>
+	<maintainer type="person">
+		<email>prometheanfire@gentoo.org</email>
+		<name>Matthew Thode</name>
+	</maintainer>
+	<longdescription lang="en">
+		A library to handle automated deprecations
+	</longdescription>
+</pkgmetadata>
diff --git a/dev-python/node-semver/metadata.xml b/dev-python/node-semver/metadata.xml
new file mode 100644
index 0000000..ea78022
--- /dev/null
+++ b/dev-python/node-semver/metadata.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+  <maintainer type="person">
+    <email>luigi.mantellini@gmail.com</email>
+    <name>Luigi Mantellini</name>
+  </maintainer>
+  <maintainer type="project">
+    <email>proxy-maint@gentoo.org</email>
+    <name>Proxy Maintainers</name>
+  </maintainer>
+  <maintainer type="project">
+    <email>python@gentoo.org</email>
+    <name>Python</name>
+  </maintainer>
+  <longdescription lang="en">
+    Python port of the semantic versioner for npm (semver).
+  </longdescription>
+  <upstream>
+    <remote-id type="pypi">node-semver</remote-id>
+    <remote-id type="github">podhmo/python-semver</remote-id>
+  </upstream>
+</pkgmetadata>
diff --git a/dev-python/tqdm/metadata.xml b/dev-python/tqdm/metadata.xml
new file mode 100644
index 0000000..39c0d0d
--- /dev/null
+++ b/dev-python/tqdm/metadata.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person">
+		<email>horea.christ@gmail.com</email>
+		<name>Horea Christian</name>
+	</maintainer>
+	<maintainer type="project">
+		<email>proxy-maint@gentoo.org</email>
+		<name>Proxy Maintainers</name>
+	</maintainer>
+	<longdescription lang="en">
+		Instantly make your loops show a progress meter - just wrap 
+		any iterator with "tqdm(iterator)", and you're done!
+	</longdescription>
+	<upstream>
+		<remote-id type="github">tqdm/tqdm</remote-id>
+	</upstream>
+</pkgmetadata>
diff --git a/dev-util/conan/metadata.xml b/dev-util/conan/metadata.xml
new file mode 100644
index 0000000..af7e11d
--- /dev/null
+++ b/dev-util/conan/metadata.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+  <maintainer type="person">
+    <email>beschindler@gmail.com</email>
+    <name>Benjamin Schindler</name>
+  </maintainer>
+  <maintainer type="project">
+  <email>proxy-maint@gentoo.org</email>
+  <name>Proxy Maintainers</name>
+  </maintainer>
+  <upstream>
+    <remote-id type="pypi">conan</remote-id>
+    <remote-id type="github">conan-io/conan</remote-id>
+  </upstream>
+  <longdescription>
+    Conan is a portable package manager, intended for C and C++
+    developers, but it is able to manage builds from source,
+    dependencies, and precompiled binaries for any language.
+  </longdescription>
+</pkgmetadata>
diff --git a/net-im/discord-bin/metadata.xml b/net-im/discord-bin/metadata.xml
new file mode 100644
index 0000000..15fd2f3
--- /dev/null
+++ b/net-im/discord-bin/metadata.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person">
+		<email>johu@gentoo.org</email>
+		<name>Johannes Huber</name>
+	</maintainer>
+</pkgmetadata>