diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..da64eb7
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,43 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: pnpm/action-setup@v2
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 16.x
+          cache: pnpm
+
+      - name: Install
+        run: pnpm install
+
+      - name: Lint
+        run: pnpm run lint
+
+  typecheck:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: pnpm/action-setup@v2
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 16.x
+          cache: pnpm
+
+      - name: Install
+        run: pnpm install
+
+      - name: Typecheck
+        run: pnpm run typecheck