diff --git a/pkgs/development/libraries/tcl-fcgi/default.nix b/pkgs/development/libraries/tcl-fcgi/default.nix
new file mode 100644
index 000000000000..5451c5186a4e
--- /dev/null
+++ b/pkgs/development/libraries/tcl-fcgi/default.nix
@@ -0,0 +1,31 @@
+{ lib, fetchFromGitHub, tcl, tclx }:
+
+tcl.mkTclDerivation rec {
+  pname = "tcl-fcgi";
+  version = "0.5.0";
+
+  src = fetchFromGitHub {
+    owner = "mpcjanssen";
+    repo = "tcl-fcgi";
+    rev = "62452dbf3177ba9458fbb42457834ca77bdf5a82";
+    sha256 = "sha256-RLuV4ARmGWCJTmhs7DbMWENQGj3d5ZXWb821WrgG0qA=";
+  };
+
+  buildInputs = [
+    tclx
+  ];
+
+  unpackPhase = ''
+    mkdir -p $out/lib/tcl-fcgi
+    cp -r $src/tcl-src/* $out/lib/tcl-fcgi/
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/mpcjanssen/tcl-fcgi";
+    description = "Tcl interface for the FastCGI protocol";
+    license = licenses.bsd2;
+    platforms = tclx.meta.platforms;
+    maintainers = with maintainers; [ nat-418 ];
+  };
+}
+
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 0a749867c9d5..618a243bbe6f 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -24345,6 +24345,8 @@ with pkgs;
 
   tclx = callPackage ../development/libraries/tclx { };
 
+  tcl-fcgi = callPackage ../development/libraries/tcl-fcgi { };
+
   tdb = callPackage ../development/libraries/tdb { };
 
   tdlib = callPackage ../development/libraries/tdlib { };