diff --git a/sdk_container/src/third_party/portage-stable/dev-python/tomli-w/Manifest b/sdk_container/src/third_party/portage-stable/dev-python/tomli-w/Manifest
new file mode 100644
index 0000000000..93f0e4a757
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/dev-python/tomli-w/Manifest
@@ -0,0 +1 @@
+DIST tomli-w-1.2.0.gh.tar.gz 65320 BLAKE2B d48174d177a5ed13880ba8c9c6beefae8ed43b0a3539441ecc17aa32af07428d9f7d2c2d185264a20f27ab2ab9b5085b91da120e49dfc17a0cf36b590ebfa81b SHA512 d7b5888d7e60eda701c4d3d02189b9e26467a647ed4e09f55ee325c6d62618de6a6b299de522d105decaee68fb9804968c59d4c911bdfb7520a0beb6c05f432b
diff --git a/sdk_container/src/third_party/portage-stable/dev-python/tomli-w/metadata.xml b/sdk_container/src/third_party/portage-stable/dev-python/tomli-w/metadata.xml
new file mode 100644
index 0000000000..7a20d26108
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/dev-python/tomli-w/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>
+	</maintainer>
+	<stabilize-allarches/>
+	<upstream>
+		<remote-id type="github">hukkin/tomli-w</remote-id>
+		<remote-id type="pypi">tomli-w</remote-id>
+	</upstream>
+</pkgmetadata>
diff --git a/sdk_container/src/third_party/portage-stable/dev-python/tomli-w/tomli-w-1.2.0.ebuild b/sdk_container/src/third_party/portage-stable/dev-python/tomli-w/tomli-w-1.2.0.ebuild
new file mode 100644
index 0000000000..6d228cf16e
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/dev-python/tomli-w/tomli-w-1.2.0.ebuild
@@ -0,0 +1,35 @@
+# Copyright 2021-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_USE_PEP517=flit
+PYTHON_COMPAT=( python3_{11..14} python3_{13,14}t pypy3_11 )
+
+inherit distutils-r1
+
+DESCRIPTION="A lil' TOML writer"
+HOMEPAGE="
+	https://pypi.org/project/tomli-w/
+	https://github.com/hukkin/tomli-w/
+"
+SRC_URI="
+	https://github.com/hukkin/tomli-w/archive/${PV}.tar.gz
+		-> ${P}.gh.tar.gz
+"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~alpha amd64 arm arm64 hppa ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86"
+
+BDEPEND="
+	test? (
+		dev-python/tomli[${PYTHON_USEDEP}]
+	)
+"
+
+distutils_enable_tests pytest
+
+python_test() {
+	epytest tests
+}