diff --git a/net-im/mjolnir/Manifest b/net-im/mjolnir/Manifest
new file mode 100644
index 0000000..80c2152
--- /dev/null
+++ b/net-im/mjolnir/Manifest
@@ -0,0 +1,2 @@
+DIST mjolnir-1.5.0-deps.tar.xz 34428920 BLAKE2B b1876ea496c9ad4815a86ba6e5f9474cf76a9dd05e678fbc5c74a617920050604995abb41bdfe09590f3deb07605018be5c78a463ae7982613945021e2bd0b9c SHA512 676b6580e632e7bd2a96fe55d8887713a576a232777010421a3d6f675b5584a476736145530a6169281484e7e80fc7c66b35a0bf1a1521978ba76a18c15c8770
+DIST mjolnir-1.5.0.tar.gz 194488 BLAKE2B e1b2a9335815b8a2f4452e3be1b27a903e9b96b565cbd567d5b4d52cb1e2ab914fd3be963abc6857e775343af79a4708320f6496f4242bcac9ed1898588fcdf4 SHA512 2f0d00e7c4e1cee8cdcc2565821638c3a979538402ccafd10beb0fd8edcd2cbf0e46f5bf11a6df2c02dfff49b89cbf731d9bcd5411b805d9079cdcac5484c06d
diff --git a/net-im/mjolnir/files/mjolnir.initd b/net-im/mjolnir/files/mjolnir.initd
new file mode 100644
index 0000000..fd76484
--- /dev/null
+++ b/net-im/mjolnir/files/mjolnir.initd
@@ -0,0 +1,23 @@
+#!/sbin/openrc-run
+# Copyright 2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+name="mjolnir daemon"
+description="mjolnir daemon"
+command=/usr/bin/node
+command_args="mjolnir/index.js"
+command_user="${MJOLNIR_USER:-synapse}"
+
+supervisor="supervise-daemon"
+supervise_daemon_args=" -d /opt/mjolnir -e NODE_ENV=\"production\""
+
+pidfile="/run/${RC_SVCNAME}.pid"
+
+depend() {
+	need net
+}
+
+start_pre() {
+	local cfg=/opt/mjolnir/config/production.yaml
+	[[ -f ${cfg} ]] || echo "${cfg} does not exist or is not a regular file" >&2
+}
diff --git a/net-im/mjolnir/metadata.xml b/net-im/mjolnir/metadata.xml
new file mode 100644
index 0000000..244899b
--- /dev/null
+++ b/net-im/mjolnir/metadata.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person">
+		<email>gentoo@tastytea.de</email>
+		<name>Ronny (tastytea) Gutbrod</name>
+	</maintainer>
+	<upstream>
+		<remote-id type="github">matrix-org/mjolnir</remote-id>
+	</upstream>
+</pkgmetadata>
diff --git a/net-im/mjolnir/mjolnir-1.5.0.ebuild b/net-im/mjolnir/mjolnir-1.5.0.ebuild
new file mode 100644
index 0000000..85fa960
--- /dev/null
+++ b/net-im/mjolnir/mjolnir-1.5.0.ebuild
@@ -0,0 +1,58 @@
+# Copyright 2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DESCRIPTION="A moderation tool for Matrix"
+HOMEPAGE="https://github.com/matrix-org/mjolnir"
+SRC_URI="
+	https://github.com/matrix-org/mjolnir/archive/refs/tags/v${PV}.tar.gz -> ${P}.tar.gz
+	https://tastytea.de/files/gentoo/${P}-deps.tar.xz
+"
+
+# NOTE: to generate the deps archive:
+#       yarn --cache-folder ./yarn-cache install
+#       tar -caf ${P}-deps.tar.xz yarn-cache
+
+LICENSE="0BSD Apache-2.0 BSD BSD-2 ISC MIT PYTHON Unlicense"
+SLOT="0"
+# KEYWORDS="~amd64"
+IUSE="doc"
+
+RDEPEND=">=net-libs/nodejs-16"
+BDEPEND="sys-apps/yarn"
+
+MY_YARNOPTS="--offline --non-interactive --no-progress --verbose"
+
+src_prepare() {
+	yarn ${MY_YARNOPTS} --cache-folder ../yarn-cache install || die
+
+	default
+}
+
+src_compile() {
+	yarn ${MY_YARNOPTS} build || die
+}
+
+src_install() {
+	insinto /opt/${PN}
+	doins -r node_modules
+
+	insinto /opt/${PN}/${PN}
+	doins -r lib/*
+
+	keepdir /opt/${PN}/config
+
+	einstalldocs
+	dodoc config/default.yaml
+	use doc && dodoc docs/*
+
+	newinitd "${FILESDIR}"/${PN}.initd ${PN}
+}
+
+pkg_postinstall() {
+	if [[ ! -f "${EROOT}"/opt/${PN}/config/production.yaml ]]; then
+		elog "Copy the configuration example from /usr/share/doc/${PF}/default.yaml*"
+		elog "into /opt/${PN}/config/production.yaml and edit it."
+	fi
+}