diff --git a/dev-python/ruamel-yaml-clibz/Manifest b/dev-python/ruamel-yaml-clibz/Manifest
new file mode 100644
index 0000000000000..65b5da7499699
--- /dev/null
+++ b/dev-python/ruamel-yaml-clibz/Manifest
@@ -0,0 +1 @@
+DIST ruamel_yaml_clibz-0.3.7.tar.gz 231233 BLAKE2B c39e3cc9f8b848913b98f16bc64b775aaec4f247b1691648e8fb95e15991b36a694e8d5fd14ed65fdb1f384522b75f13b6cf145c9224a9f2ef9e8e0248bc60ed SHA512 6aab600febe5adcbd3c7ecc1c6bad05f826c2e5a2934511a07bf1fdb7ca9b56dde27ce10b94c47bb5068f3f34b74ceb5cdc9b971f91d4934175698c566d70090
diff --git a/dev-python/ruamel-yaml-clibz/metadata.xml b/dev-python/ruamel-yaml-clibz/metadata.xml
new file mode 100644
index 0000000000000..d394fddd95d76
--- /dev/null
+++ b/dev-python/ruamel-yaml-clibz/metadata.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="project">
+		<email>python@gentoo.org</email>
+		<name>Python</name>
+	</maintainer>
+	<upstream>
+		<remote-id type="pypi">ruamel.yaml.clibz</remote-id>
+		<remote-id type="sourceforge">ruamel-yaml-clibz</remote-id>
+	</upstream>
+</pkgmetadata>
diff --git a/dev-python/ruamel-yaml-clibz/ruamel-yaml-clibz-0.3.7.ebuild b/dev-python/ruamel-yaml-clibz/ruamel-yaml-clibz-0.3.7.ebuild
new file mode 100644
index 0000000000000..6916d0d33d257
--- /dev/null
+++ b/dev-python/ruamel-yaml-clibz/ruamel-yaml-clibz-0.3.7.ebuild
@@ -0,0 +1,31 @@
+# Copyright 1999-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_EXT=1
+DISTUTILS_USE_PEP517=setuptools
+PYPI_PN=${PN//-/.}
+PYTHON_COMPAT=( pypy3_11 python3_{11..14} python3_{13,14}t )
+
+inherit distutils-r1 pypi
+
+DESCRIPTION="C-based reader/scanner and emitter for dev-python/ruamel-yaml"
+HOMEPAGE="
+	https://pypi.org/project/ruamel.yaml.clibz/
+	https://sourceforge.net/projects/ruamel-yaml-clibz/
+"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86"
+
+# Technically, upstream depends on setuptools-zig to compile C using Zig,
+# but we just use a C compiler.
+BDEPEND="
+	dev-python/cython[${PYTHON_USEDEP}]
+"
+
+src_configure() {
+	cython -f -3 _ruamel_yaml_clibz.pyx || die
+}