diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
new file mode 100644
index 00000000..d7709584
--- /dev/null
+++ b/.github/workflows/format.yml
@@ -0,0 +1,29 @@
+name: Format Check
+
+on:
+  pull_request:
+    branches: [main, test]
+
+jobs:
+  format:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: "20"
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: 9
+
+      - name: Install dependencies
+        run: pnpm install
+
+      - name: Check formatting
+        run: pnpm format:check