diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..fdca6e6
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,29 @@
+on:
+    pull_request:
+    push:
+        branches:
+            - main
+
+jobs:
+    test:
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v4
+
+            - uses: pnpm/action-setup@v3
+              with:
+                  version: 8
+
+            - uses: actions/setup-node@v4
+              with:
+                  node-version: 18
+                  cache: "pnpm"
+
+            - name: Install Node packages
+              run: pnpm i
+
+            - name: Check code format
+              run: pnpm check-format
+
+            - name: Run tests
+              run: pnpm test
diff --git a/package.json b/package.json
index 0ef51b4..94ec611 100644
--- a/package.json
+++ b/package.json
@@ -32,6 +32,7 @@
         "clean": "rimraf src/*.js src/*.d.ts *.tsbuildinfo",
         "cmioc": "ts-node src/cli.ts",
         "format": "prettier --check . --write",
+        "check-format": "prettier --check .",
         "prepack": "tsc",
         "test": "jest"
     },