diff --git a/dev-ml/bigstringaf/Manifest b/dev-ml/bigstringaf/Manifest
new file mode 100644
index 0000000000..edfd935034
--- /dev/null
+++ b/dev-ml/bigstringaf/Manifest
@@ -0,0 +1 @@
+DIST bigstringaf-0.7.0.tar.gz 11896 BLAKE2B 4bc94264865cc7d90def66930dc76264169b14f907094cdc9e25222f308163df3384a2c1a4d9a5b278fe4f9a433bf96b75fbf791d1255ce7dec582decbfd7951 SHA512 ea0827eaa37b053c1a1756ed38f059209e85fbf7d3e19ed97de587416a9717e77c5b1017afa307e9eee938c18b4ef7cb6ff4adea683d5a9b8430358b4096b960
diff --git a/dev-ml/bigstringaf/bigstringaf-0.7.0.ebuild b/dev-ml/bigstringaf/bigstringaf-0.7.0.ebuild
new file mode 100644
index 0000000000..f470ee8149
--- /dev/null
+++ b/dev-ml/bigstringaf/bigstringaf-0.7.0.ebuild
@@ -0,0 +1,20 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit dune
+
+DESCRIPTION="Bigstring intrinsics and fast blits based on memcpy/memmove "
+HOMEPAGE="https://github.com/inhabitedtype/bigstringaf"
+SRC_URI="https://github.com/inhabitedtype/bigstringaf/archive/${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="BSD"
+SLOT="0/${PV}"
+KEYWORDS="~amd64"
+IUSE="ocamlopt"
+
+DEPEND="
+	dev-ml/bigarray-compat
+"
+RDEPEND="${DEPEND}"
diff --git a/dev-ml/bigstringaf/metadata.xml b/dev-ml/bigstringaf/metadata.xml
new file mode 100644
index 0000000000..66a4dd2514
--- /dev/null
+++ b/dev-ml/bigstringaf/metadata.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person">
+		<description>co-maintainers welcome</description>
+		<email>lssndrbarbieri@gmail.com</email>
+		<name>Alessandro Barbieri</name>
+	</maintainer>
+	<upstream>
+		<remote-id type="github">inhabitedtype/bigstringaf</remote-id>
+	</upstream>
+</pkgmetadata>