diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..bca3d20
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,34 @@
+name: CI
+
+on:
+  pull_request:
+  push:
+    branches: [main]
+
+jobs:
+  ci:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version-file: .nvmrc
+          cache: npm
+
+      - run: npm ci
+
+      - name: Type check
+        run: npm run type-check
+
+      - name: Lint (oxlint)
+        run: npx oxlint .
+
+      - name: Lint (eslint)
+        run: npx eslint .
+
+      - name: Unit tests
+        run: npm run test:unit
+
+      - name: Build
+        run: npm run build-only