diff --git a/pkgs/applications/editors/vscode/extensions/default.nix b/pkgs/applications/editors/vscode/extensions/default.nix
index c0bd3fb5c3a6..9be80873fa61 100644
--- a/pkgs/applications/editors/vscode/extensions/default.nix
+++ b/pkgs/applications/editors/vscode/extensions/default.nix
@@ -3854,6 +3854,8 @@ let
         };
       };
 
+      oliver-ni.scheme-fmt = callPackage ./oliver-ni.scheme-fmt { };
+
       oops418.nix-env-picker = callPackage ./oops418.nix-env-picker { };
 
       ph-hawkins.arc-plus = callPackage ./ph-hawkins.arc-plus { };
diff --git a/pkgs/applications/editors/vscode/extensions/oliver-ni.scheme-fmt/default.nix b/pkgs/applications/editors/vscode/extensions/oliver-ni.scheme-fmt/default.nix
new file mode 100644
index 000000000000..f93a0128d1b9
--- /dev/null
+++ b/pkgs/applications/editors/vscode/extensions/oliver-ni.scheme-fmt/default.nix
@@ -0,0 +1,29 @@
+{
+  lib,
+  vscode-utils,
+  jq,
+  python3,
+  moreutils,
+}:
+
+vscode-utils.buildVscodeMarketplaceExtension {
+  mktplcRef = {
+    publisher = "oliver-ni";
+    name = "scheme-fmt";
+    version = "1.2.1";
+    hash = "sha256-oTXy0Vjd0s7ZYZzr36ILQOJm4BW9Qd7y8fGbnhkaD1Y=";
+  };
+
+  postInstall = ''
+    cd "$out/$installPrefix"
+    ${lib.getExe jq} '.contributes.configuration.properties."scheme-fmt.pythonPath".default = "${lib.getExe python3}"' package.json | ${lib.getExe' moreutils "sponge"} package.json
+  '';
+
+  meta = {
+    description = "Formats Scheme source code";
+    downloadPage = "https://marketplace.visualstudio.com/items?itemName=oliver-ni.scheme-fmt";
+    homepage = "https://github.com/oliver-ni/scheme-fmt";
+    license = lib.licenses.cc0;
+    maintainers = with lib.maintainers; [ tuynia ];
+  };
+}