diff --git a/pkgs/software-heritage/swh-core.nix b/pkgs/software-heritage/swh-core.nix
new file mode 100644
index 00000000..bb5b48b8
--- /dev/null
+++ b/pkgs/software-heritage/swh-core.nix
@@ -0,0 +1,48 @@
+{ stdenv, lib, python3Packages, aiohttp-utils, ... }:
+
+with python3Packages;
+buildPythonPackage rec {
+  pname = "swh-core";
+  version = "2.13.1";
+
+  src = fetchPypi {
+    inherit version;
+    pname = "swh.core";
+    sha256 = "sha256-na1S2jiRGlIOPpJ1H4Cp9+naK7bTuH6s2nmeo1xQXjQ=";
+  };
+
+  # Tests require network access.
+  doCheck = false;
+
+  propagatedBuildInputs = [
+    click
+    deprecated
+    pyyaml
+    python-magic
+    sentry-sdk
+
+    # swh.core.db
+    psycopg2
+    typing-extensions
+
+    # swh.core.github
+    tenacity
+    requests
+
+    # swh.core.api
+    aiohttp
+    aiohttp-utils
+    blinker
+    flask
+    iso8601
+    msgpack
+
+    setuptools-scm
+  ];
+
+  meta = with lib; {
+    description = "Software Heritage filesystem";
+    homepage = "https://www.softwareheritage.org/";
+    license = licenses.gpl3Only;
+  };
+}