diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 0000000..52b4728
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,27 @@
+name: Build
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  build:
+    runs-on: macos-15
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Select Xcode
+        run: sudo xcode-select -s /Applications/Xcode_16.2.app/Contents/Developer
+
+      - name: Build (Mac Catalyst)
+        run: |
+          xcodebuild \
+            -project HomeMCPBridge.xcodeproj \
+            -scheme HomeMCPBridge \
+            -destination 'platform=macOS,variant=Mac Catalyst' \
+            -configuration Release \
+            CODE_SIGN_IDENTITY=- \
+            CODE_SIGNING_ALLOWED=NO \
+            build