diff --git a/acct-group/matterbridge/matterbridge-0.ebuild b/acct-group/matterbridge/matterbridge-0.ebuild
new file mode 100644
index 0000000..62359fb
--- /dev/null
+++ b/acct-group/matterbridge/matterbridge-0.ebuild
@@ -0,0 +1,8 @@
+# Copyright 2026 Shin'ya Minazuki
+
+EAPI=8
+
+inherit acct-group
+
+DESCRIPTION="A group for net-im/matterbridge"
+ACCT_GROUP_ID=113
diff --git a/acct-group/matterbridge/metadata.xml b/acct-group/matterbridge/metadata.xml
new file mode 100644
index 0000000..690e39c
--- /dev/null
+++ b/acct-group/matterbridge/metadata.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person">
+		<email>shinyoukai@laidback.moe</email>
+		<name>Shin'ya Minazuki</name>
+	</maintainer>
+	<longdescription lang="en">
+		Unprivileged system group for Matterbridge
+	</longdescription>
+</pkgmetadata>
diff --git a/acct-user/matterbridge/matterbridge-0.ebuild b/acct-user/matterbridge/matterbridge-0.ebuild
new file mode 100644
index 0000000..6638aa1
--- /dev/null
+++ b/acct-user/matterbridge/matterbridge-0.ebuild
@@ -0,0 +1,11 @@
+# Copyright 2026 Shin'ya Minazuki
+
+EAPI=8
+
+inherit acct-user
+
+DESCRIPTION="Unprivileged user for Matterbridge"
+ACCT_USER_ID=113
+ACCT_USER_GROUPS=( matterbridge )
+
+acct-user_add_deps
diff --git a/acct-user/matterbridge/metadata.xml b/acct-user/matterbridge/metadata.xml
new file mode 100644
index 0000000..8299bc3
--- /dev/null
+++ b/acct-user/matterbridge/metadata.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person">
+		<email>shinyoukai@laidback.moe</email>
+		<name>Shin'ya Minazuki</name>
+	</maintainer>
+	<longdescription lang="en">
+		Unprivileged system user for Matterbridge
+	</longdescription>
+</pkgmetadata>
diff --git a/net-im/matterbridge/Manifest b/net-im/matterbridge/Manifest
new file mode 100644
index 0000000..f909de4
--- /dev/null
+++ b/net-im/matterbridge/Manifest
@@ -0,0 +1,2 @@
+DIST matterbridge-1.26.0.tar.gz 34275533 BLAKE2B 99c56a6f6a6265abac0920652846a39ed46ead4fb8f597dea75307b05d46cf050e02a737597ba799fe0e43558597736a6a1bc3dadbd9729ad018521a23c80c6b SHA512 693dff9bc4168ba1911d5b7a54ba203cc90e3609abc22e08b2ef11a6f0a6dada94be09bbb6d9fab5c4dbbc84011f891005958aa2b9b81fc292f26ec157ec0066
+DIST matterbridge-vendor.tar.gz 34781241 BLAKE2B 5f817a29daf8bd70bfa60a7ab30f817cb46226a559973f83b0f3967e7534814285773511cc0679e36f5089fac3f683a46274938aa237adaa37ad51aa8d37d767 SHA512 4350a5af057810a5063a20a3edd2cb9e7628f55550c9b82a569e1403216ad155d402371104a8e811a826feb7aa70e066ba83ea5f159dd6cf6d940fd28cd7513f
diff --git a/net-im/matterbridge/files/matterbridge.initd-r2 b/net-im/matterbridge/files/matterbridge.initd-r2
new file mode 100644
index 0000000..d2de4e7
--- /dev/null
+++ b/net-im/matterbridge/files/matterbridge.initd-r2
@@ -0,0 +1,17 @@
+#!/sbin/openrc-run
+# Copyright 2026 Shin'ya Minazuki
+
+: ${MATTERBRIDGE_USER="matterbridge"}
+: ${MATTERBRIDGE_GROUP="matterbridge"}
+
+supervisor="supervise-daemon"
+
+command="/usr/bin/${RC_SVCNAME}"
+command_args="-conf /etc/matterbridge.toml"
+command_background="true"
+command_user="${MATTERBRIDGE_USER}:${MATTERBRIDGE_GROUP}"
+pidfile="/run/matterbridge.pid"
+
+depend() {
+	need net
+}
diff --git a/net-im/matterbridge/files/matterbridge.service b/net-im/matterbridge/files/matterbridge.service
new file mode 100644
index 0000000..a6a65d4
--- /dev/null
+++ b/net-im/matterbridge/files/matterbridge.service
@@ -0,0 +1,13 @@
+[Unit]
+Description=Matterbridge
+After=network-online.target
+
+[Service]
+ExecStart=/usr/bin/matterbridge -conf /etc/matterbridge.toml
+Restart=always
+RestartSec=5s
+User=matterbridge
+Group=matterbridge
+
+[Install]
+WantedBy=multi-user.target
diff --git a/net-im/matterbridge/matterbridge-1.26.0.ebuild b/net-im/matterbridge/matterbridge-1.26.0.ebuild
new file mode 100644
index 0000000..3812c42
--- /dev/null
+++ b/net-im/matterbridge/matterbridge-1.26.0.ebuild
@@ -0,0 +1,42 @@
+# Copyright 2026 Shin'ya Minazuki
+
+EAPI=8
+
+inherit go-module systemd
+
+DESCRIPTION="A simple chat bridge"
+HOMEPAGE="https://github.com/42wim/matterbridge"
+SRC_URI="
+	https://github.com/42wim/${PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz
+	https://mirror.chaotic.ninja/software/${PN}-vendor.tar.gz
+"
+
+LICENSE="Apache-2.0"
+SLOT="0"
+KEYWORDS="~amd64"
+
+RDEPEND="
+	acct-user/matterbridge
+	acct-group/matterbridge
+"
+BDEPEND="
+	acct-user/matterbridge
+	acct-group/matterbridge
+"
+
+DEPEND="${RDEPEND}"
+
+src_compile() {
+	ego build -o bin/${PN}
+}
+
+src_install() {
+	dobin bin/${PN}
+	newinitd "${FILESDIR}/${PN}.initd-r2" "${PN}"
+	systemd_dounit "${FILESDIR}/${PN}.service"
+}
+
+pkg_postinst() {
+	elog "For setting up Matterbridge, please refer to: "
+	elog "https://github.com/42wim/matterbridge/wiki"
+}
diff --git a/net-im/matterbridge/metadata.xml b/net-im/matterbridge/metadata.xml
new file mode 100644
index 0000000..35ca25c
--- /dev/null
+++ b/net-im/matterbridge/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">
+		<email>shinyoukai@laidback.moe</email>
+		<name>Shin'ya Minazuki</name>
+	</maintainer>
+	<upstream>
+		<remote-id type="github">42wim/matterbridge</remote-id>
+		<bugs-to>https://github.com/42wim/matterbridge/issues</bugs-to>
+	</upstream>
+	<longdescription lang="en">
+		Bridge between Mattermost, IRC, Gitter, Slack, Discord, Telegram,
+		RocketChat, Twitch, ssh-chat, Zulip, WhatsApp, Keybase, Matrix,
+		Microsoft Teams, Nextcloud Talk, Mumble, VK and more with REST API
+	</longdescription>
+</pkgmetadata>