diff --git a/dev-libs/md4c/Manifest b/dev-libs/md4c/Manifest
new file mode 100644
index 0000000000000..47bc5af3b07d0
--- /dev/null
+++ b/dev-libs/md4c/Manifest
@@ -0,0 +1 @@
+DIST md4c-0.5.2.tar.gz 237973 BLAKE2B 7f3f80c1bcfa3040b4458876abc8eabbad387242fbdcde08b34d9a279da56e4c2264a591deb6ad3061c951b4ca547f896589682aa5c6b50febfc03b89c61be3e SHA512 30607ba39d6c59329f5a56a90cd816ff60b82ea752ac2b9df356d756529cfc49170019fae5df32fa94afc0e2a186c66eaf56fa6373d18436c06ace670675ba85
diff --git a/dev-libs/md4c/md4c-0.5.2.ebuild b/dev-libs/md4c/md4c-0.5.2.ebuild
new file mode 100644
index 0000000000000..002381590ba4c
--- /dev/null
+++ b/dev-libs/md4c/md4c-0.5.2.ebuild
@@ -0,0 +1,50 @@
+# Copyright 2022-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..13} )
+
+inherit cmake python-any-r1
+
+DESCRIPTION="C Markdown parser. Fast, SAX-like interface, CommonMark Compliant."
+HOMEPAGE="https://github.com/mity/md4c"
+# TODO(NRK):
+# - useflag for static lib (?)
+
+if [[ ${PV} == 9999 ]]; then
+	inherit git-r3
+	EGIT_REPO_URI="https://github.com/mity/md4c.git"
+else
+	SRC_URI="https://github.com/mity/md4c/archive/refs/tags/release-${PV}.tar.gz -> ${P}.tar.gz"
+	S="${WORKDIR}/md4c-release-${PV}"
+	KEYWORDS="~amd64"
+fi
+
+LICENSE="MIT test? ( CC-BY-SA-4.0 )"
+SLOT="0"
+IUSE="+md2html test"
+REQUIRED_USE="test? ( md2html )"
+RESTRICT="!test? ( test )"
+
+BDEPEND="test? ( ${PYTHON_DEPS} )"
+
+pkg_setup() {
+	use test && python-any-r1_pkg_setup
+}
+
+src_configure() {
+	mycmakeargs=(
+		-DBUILD_SHARED_LIBS=ON
+		-DBUILD_MD2HTML_EXECUTABLE=$(usex md2html)
+	)
+
+	cmake_src_configure
+}
+
+src_test() {
+	pushd "${BUILD_DIR}" || die
+	# Uses python internally
+	"${S}"/scripts/run-tests.sh || die
+	popd
+}
diff --git a/dev-libs/md4c/metadata.xml b/dev-libs/md4c/metadata.xml
new file mode 100644
index 0000000000000..135e912b51657
--- /dev/null
+++ b/dev-libs/md4c/metadata.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person" proxied="yes">
+		<email>nrk@disroot.org</email>
+	</maintainer>
+	<maintainer type="project" proxied="proxy">
+		<email>proxy-maint@gentoo.org</email>
+		<name>Proxy Maintainers</name>
+	</maintainer>
+	<use>
+		<flag name="md2html">Build the md2html cli tool</flag>
+	</use>
+	<upstream>
+		<remote-id type="github">mity/md4c</remote-id>
+	</upstream>
+</pkgmetadata>