diff --git a/pkgs/development/tools/rust/cargo-whatfeatures/default.nix b/pkgs/development/tools/rust/cargo-whatfeatures/default.nix
new file mode 100644
index 00000000000..34440ce9305
--- /dev/null
+++ b/pkgs/development/tools/rust/cargo-whatfeatures/default.nix
@@ -0,0 +1,27 @@
+{ lib, stdenv, fetchFromGitHub, rustPlatform, pkg-config, openssl, Security }:
+
+rustPlatform.buildRustPackage rec {
+  pname = "cargo-whatfeatures";
+  version = "0.9.6";
+
+  src = fetchFromGitHub {
+    owner = "museun";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "0vki37pxngg15za9c1z61dc6sqk0j59s0qhcf9hplnym4ib5kqx1";
+  };
+
+  cargoSha256 = "sha256-nNV7UXjKZNFmTqW4H0qsNuBW9XOP2V9nfotewtI9mYE";
+
+  nativeBuildInputs = [ pkg-config ];
+
+  buildInputs = [ openssl ]
+    ++ lib.optionals stdenv.isDarwin [ Security ];
+
+  meta = with lib; {
+    description = "A simple cargo plugin to get a list of features for a specific crate";
+    homepage = "https://github.com/museun/cargo-whatfeatures";
+    license = with licenses; [ mit asl20 ];
+    maintainers = with maintainers; [ ivan-babrou ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 96aadc89bc8..beeecbea57e 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -10856,6 +10856,10 @@ in
     inherit (darwin.apple_sdk.frameworks) Security;
   };
 
+  cargo-whatfeatures = callPackage ../development/tools/rust/cargo-whatfeatures {
+    inherit (darwin.apple_sdk.frameworks) Security;
+  };
+
   crate2nix = callPackage ../development/tools/rust/crate2nix { };
 
   convco = callPackage ../development/tools/convco {