diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8582673..a842508 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v3
         with:
-         go-version: "1.23"
+          go-version: "1.23"
 
       - name: Install webrpc-gen (development)
         run: git clone --single-branch https://github.com/webrpc/webrpc.git --branch master && cd webrpc && make install
@@ -28,6 +28,17 @@ jobs:
       - name: Git diff of regenerated files
         run: cd _examples && make diff
 
+  typecheck:
+    - name: Set up Node.js
+      uses: actions/setup-node@v3
+      with:
+        node-version: 22
+
+    - name: Install npm dependencies
+      run: cd typecheck && npm ci
+
+    - name: Type check generated TypeScript files
+      run: cd typecheck && npm run typecheck
 #  webrpc-tests:
 #    strategy:
 #      matrix:
diff --git a/type-check/.gitignore b/type-check/.gitignore
new file mode 100644
index 0000000..c2658d7
--- /dev/null
+++ b/type-check/.gitignore
@@ -0,0 +1 @@
+node_modules/
diff --git a/type-check/package-lock.json b/type-check/package-lock.json
new file mode 100644
index 0000000..7a0d750
--- /dev/null
+++ b/type-check/package-lock.json
@@ -0,0 +1,37 @@
+{
+  "name": "webrpc-gen-typescript",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "webrpc-gen-typescript",
+      "version": "1.0.0",
+      "devDependencies": {
+        "@tsconfig/strictest": "^2.0.5",
+        "typescript": "^5.9.2"
+      }
+    },
+    "node_modules/@tsconfig/strictest": {
+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/@tsconfig/strictest/-/strictest-2.0.5.tgz",
+      "integrity": "sha512-ec4tjL2Rr0pkZ5hww65c+EEPYwxOi4Ryv+0MtjeaSQRJyq322Q27eOQiFbuNgw2hpL4hB1/W/HBGk3VKS43osg==",
+      "dev": true,
+      "license": "MIT"
+    },
+    "node_modules/typescript": {
+      "version": "5.9.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.2.tgz",
+      "integrity": "sha512-CWBzXQrc/qOkhidw1OzBTQuYRbfyxDXJMVJ1XNwUHGROVmuaeiEm3OslpZ1RV96d7SKKjZKrSJu3+t/xlw3R9A==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "bin": {
+        "tsc": "bin/tsc",
+        "tsserver": "bin/tsserver"
+      },
+      "engines": {
+        "node": ">=14.17"
+      }
+    }
+  }
+}
diff --git a/type-check/package.json b/type-check/package.json
new file mode 100644
index 0000000..a43ddb3
--- /dev/null
+++ b/type-check/package.json
@@ -0,0 +1,12 @@
+{
+  "name": "webrpc-gen-typescript",
+  "version": "1.0.0",
+  "private": true,
+  "scripts": {
+    "typecheck": "tsc --noEmit -p tsconfig.json"
+  },
+  "devDependencies": {
+    "@tsconfig/strictest": "^2.0.5",
+    "typescript": "^5.9.2"
+  }
+}
diff --git a/type-check/tsconfig.json b/type-check/tsconfig.json
new file mode 100644
index 0000000..5180486
--- /dev/null
+++ b/type-check/tsconfig.json
@@ -0,0 +1,5 @@
+{
+  "extends": "@tsconfig/strictest/tsconfig.json",
+  "include": ["../_examples/**/*.gen.ts"],
+  "exclude": ["node_modules", "../_examples/**/node_modules"]
+}