diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..f414bb8
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,14 @@
+name: ci
+on:
+  pull_request:
+  push:
+    branches: [dev, main]
+jobs:
+  ci:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: JSON validity
+        run: find . -name '*.json' -not -path './.git/*' -print0 | xargs -0 -r -n1 jq empty
+      - name: YAML validity
+        run: python3 -c "import glob,yaml; [list(yaml.safe_load_all(open(p))) for g in ('**/*.yml','**/*.yaml') for p in glob.glob(g,recursive=True) if '/.git/' not in p]"