diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
new file mode 100644
index 0000000..1901ba7
--- /dev/null
+++ b/.github/workflows/main.yml
@@ -0,0 +1,40 @@
+name: Obsidian Plugin CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  build-and-lint:
+    name: Lint & Build
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Lint code
+        run: npx eslint ./src --ext .ts
+
+      - name: Type check
+        run: npx tsc --noEmit
+
+      - name: Build plugin (production)
+        run: node esbuild.config.mjs production
+
+      - name: Check output files
+        run: |
+          ls -lh
+          test -f main.js || (echo "❌ main.js not found after build" && exit 1)
+          test -f manifest.json || (echo "❌ manifest.json not found" && exit 1)