diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
new file mode 100644
index 0000000..97252e9
--- /dev/null
+++ b/.github/workflows/ci.yaml
@@ -0,0 +1,38 @@
+name: CI
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup PNPM
+        uses: pnpm/action-setup@v4
+        with:
+          version: 10
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: "pnpm"
+
+      - name: Install dependencies
+        run: pnpm install
+
+      - name: Prettier check
+        run: pnpm prettier --check .
+
+      - name: Astro check
+        run: pnpm astro check
+
+      - name: Build
+        run: pnpm build
diff --git a/package.json b/package.json
index 6c74ef1..71f56ba 100644
--- a/package.json
+++ b/package.json
@@ -7,10 +7,14 @@
     "build": "astro build",
     "preview": "astro preview",
     "astro": "astro",
-    "prepare": "husky"
+    "prepare": "husky",
+    "check": "astro check"
   },
   "lint-staged": {
-    "*.{js,ts,jsx,tsx,astro,html,md,json,yml,yaml}": "prettier --write"
+    "*.{js,ts,jsx,tsx,astro,html,md,json,yml,yaml}": [
+      "prettier --write",
+      "astro check --minimumSeverity warning"
+    ]
   },
   "dependencies": {
     "@astrojs/mdx": "^4.3.6",