diff --git a/pkgs/applications/editors/vscode/extensions/default.nix b/pkgs/applications/editors/vscode/extensions/default.nix
index 771be7809f06..4ca91ebe85bf 100644
--- a/pkgs/applications/editors/vscode/extensions/default.nix
+++ b/pkgs/applications/editors/vscode/extensions/default.nix
@@ -2117,8 +2117,9 @@ let
         mktplcRef = {
           publisher = "github";
           name = "copilot";
-          version = "1.251.0"; # compatible with vscode ^1.96
-          hash = "sha256-nv6lTPTPcggwMgO8a4KAF0W7gpou1399f/axnH0sS4s=";
+          # Verify which version is available with nix run nixpkgs#vsce -- show github.copilot --json
+          version = "1.266.1363"; # compatible with vscode ^1.96
+          hash = "sha256-paT/fZMIjSh7Bp4bBg4ZT/c1wVc0ecQLJxulSQZjRdg=";
         };
 
         meta = {
@@ -2135,8 +2136,8 @@ let
           publisher = "github";
           name = "copilot-chat";
           # Verify which version is available with nix run nixpkgs#vsce -- show github.copilot-chat --json
-          version = "0.24.2024121201"; # compatible with vscode ^1.96
-          hash = "sha256-v3wdodDzYalz927KqqpL4IqEqLRmx1CLWdGBvZgNmpE=";
+          version = "0.24.2025020602"; # latest compatible with vscode ^1.97
+          hash = "sha256-smeBJ+yEIdbBs1eiKlPFCpYrb/nAkpnGlT9pTNnCnBI=";
         };
         meta = {
           description = "GitHub Copilot Chat is a companion extension to GitHub Copilot that houses experimental chat features";
@@ -3506,6 +3507,8 @@ let
         };
       };
 
+      ms-python.mypy-type-checker = callPackage ./ms-python.mypy-type-checker { };
+
       ms-python.python = callPackage ./ms-python.python { };
 
       ms-python.debugpy = buildVscodeMarketplaceExtension {
diff --git a/pkgs/applications/editors/vscode/extensions/ms-python.mypy-type-checker/default.nix b/pkgs/applications/editors/vscode/extensions/ms-python.mypy-type-checker/default.nix
new file mode 100644
index 000000000000..6119ebca6c6e
--- /dev/null
+++ b/pkgs/applications/editors/vscode/extensions/ms-python.mypy-type-checker/default.nix
@@ -0,0 +1,36 @@
+{
+  lib,
+  vscode-utils,
+  mypy,
+  jq,
+  moreutils,
+}:
+
+vscode-utils.buildVscodeMarketplaceExtension {
+  mktplcRef = {
+    name = "mypy-type-checker";
+    publisher = "ms-python";
+    version = "2025.1.10381011";
+    hash = "sha256-boKUxLOAgQJP13zX/NMhg1MtcrPVQJt5gLbxI7gVSu4=";
+  };
+
+  buildInputs = [ mypy ];
+
+  nativeBuildInputs = [
+    jq
+    moreutils
+  ];
+
+  postInstall = ''
+    jq '.contributes.configuration.properties."mypy-type-checker.path".default = "${lib.getExe mypy}"' $out/$installPrefix/package.json | sponge $out/$installPrefix/package.json
+  '';
+
+  meta = {
+    changelog = "https://github.com/microsoft/vscode-mypy/releases";
+    description = "VSCode extension for type checking support for Python files using Mypy";
+    downloadPage = "https://marketplace.visualstudio.com/items?itemName=ms-python.mypy-type-checker";
+    homepage = "https://github.com/microsoft/vscode-mypy";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ drupol ];
+  };
+}