diff --git a/packages/vscode/package.json b/packages/vscode/package.json
index ecd5f1e2..72b1e828 100644
--- a/packages/vscode/package.json
+++ b/packages/vscode/package.json
@@ -45,6 +45,16 @@
         ]
       }
     ],
+    "jsonValidation": [
+      {
+        "fileMatch": "jsconfig*.json",
+        "url": "./schemas/tsconfig.schema.json"
+      },
+      {
+        "fileMatch": "tsconfig*.json",
+        "url": "./schemas/tsconfig.schema.json"
+      }
+    ],
     "menus": {
       "commandPalette": [
         {
@@ -61,4 +71,4 @@
   "dependencies": {
     "@css-modules-kit/ts-plugin": "^0.6.0"
   }
-}
+}
\ No newline at end of file
diff --git a/packages/vscode/schemas/tsconfig.schema.json b/packages/vscode/schemas/tsconfig.schema.json
new file mode 100644
index 00000000..d71c6823
--- /dev/null
+++ b/packages/vscode/schemas/tsconfig.schema.json
@@ -0,0 +1,37 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "properties": {
+    "cmkOptions": {
+      "type": "object",
+      "markdownDescription": "Config options for css-modules-kit.",
+      "properties": {
+        "dtsOutDir": {
+          "type": "string",
+          "default": "generated",
+          "markdownDescription": "Specifies the directory where `*.d.ts` files are output."
+        },
+        "arbitraryExtensions": {
+          "type": "boolean",
+          "default": false,
+          "markdownDescription": "Determines whether to generate `*.module.d.css.ts` instead of `*.module.css.d.ts`."
+        },
+        "namedExports": {
+          "type": "boolean",
+          "default": false,
+          "markdownDescription": "Determines whether to generate named exports in the d.ts file instead of a default export."
+        },
+        "prioritizeNamedImports": {
+          "type": "boolean",
+          "default": false,
+          "markdownDescription": "Whether to prioritize named imports over namespace imports when adding import statements. This option only takes effect when `cmkOptions.namedExports` is `true`.\n\nWhen this option is `true`, `import { button } from '...'` will be added. When this option is `false`, `import button from '...'` will be added."
+        },
+        "keyframes": {
+          "type": "boolean",
+          "default": true,
+          "title": "keyframes",
+          "markdownDescription": "Determines whether to generate the [token](https://github.com/mizdra/css-modules-kit/blob/main/docs/glossary.md#token) of keyframes in the d.ts file."
+        }
+      }
+    }
+  }
+}