diff --git a/pkgs/by-name/sy/sylkserver/package.nix b/pkgs/by-name/sy/sylkserver/package.nix
new file mode 100644
index 000000000000..154cfcdb3db5
--- /dev/null
+++ b/pkgs/by-name/sy/sylkserver/package.nix
@@ -0,0 +1,62 @@
+{
+  lib,
+  fetchFromGitHub,
+  python3Packages,
+  versionCheckHook,
+  fetchpatch2,
+}:
+
+python3Packages.buildPythonApplication rec {
+  pname = "sylkserver";
+  version = "6.5.0";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "AGProjects";
+    repo = "sylkserver";
+    tag = version;
+    hash = "sha256-A15EJs35ZgXy9db3+XC0q5fTlemLJsA945nvIY50Pa4=";
+  };
+
+  patches = [
+    # should be removed with next release
+    (fetchpatch2 {
+      url = "https://github.com/AGProjects/sylkserver/commit/c0d943b4ff4401b2892b84d66e7cd27db7e6a927.patch";
+      hash = "sha256-U0a8mRbt8c4lUcN2xYDfvXTt/sWcvi7F3/Vw5sIQPrU=";
+    })
+  ];
+
+  build-system = [ python3Packages.setuptools ];
+
+  dependencies = with python3Packages; [
+    autobahn
+    cement
+    dnspython
+    klein
+    lxml
+    msrplib
+    python3-eventlib
+    python3-gnutls
+    sipsimple
+    wokkel
+    xcaplib
+  ];
+
+  pythonImportsCheck = [ "sylk" ];
+
+  # no upstream tests exist
+
+  nativeCheckInputs = [ versionCheckHook ];
+  versionCheckProgram = "${placeholder "out"}/bin/sylk-server";
+  versionCheckProgramArg = "--version";
+
+  meta = {
+    description = "SIP/XMPP/WebRTC Application Server";
+    homepage = "https://sylkserver.com/";
+    downloadPage = "https://github.com/AGProjects/sylkserver";
+    changelog = "https://github.com/AGProjects/sylkserver/releases/tag/${version}";
+    license = lib.licenses.gpl3Plus;
+    teams = [ lib.teams.ngi ];
+    mainProgram = "sylk-server";
+  };
+}