diff --git a/.github/workflows/unitTest.yml b/.github/workflows/unitTest.yml
new file mode 100644
index 0000000..a9e7cb4
--- /dev/null
+++ b/.github/workflows/unitTest.yml
@@ -0,0 +1,31 @@
+# This workflow will do a clean installation of node dependencies, cache/restore them, build the source code and run tests across different versions of node
+# For more information see: https://help.github.com/actions/language-and-framework-guides/using-nodejs-with-github-actions
+
+name: unit test
+
+on:
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    # strategy:
+      # matrix:
+        # node-version: [14.x, 16.x, 18.x]
+        # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Setup pnpm
+      # You may pin to the exact commit or the version.
+      # uses: pnpm/action-setup@10693b3829bf86eb2572aef5f3571dcf5ca9287d
+      uses: pnpm/action-setup@v2.2.2
+      with:
+        # Version of pnpm to install
+        version: 7.8.0
+    - run: pnpm install --no-frozen-lockfile
+    - run: pnpm build
+    - run: pnpm test
diff --git a/.npmrc b/.npmrc
new file mode 100644
index 0000000..fa4e095
--- /dev/null
+++ b/.npmrc
@@ -0,0 +1 @@
+strict-peer-dependencies=false
\ No newline at end of file
diff --git a/packages/nice-dag-core/tsconfig.build.json b/packages/nice-dag-core/tsconfig.build.json
new file mode 100644
index 0000000..da5beea
--- /dev/null
+++ b/packages/nice-dag-core/tsconfig.build.json
@@ -0,0 +1,7 @@
+{
+    "extends": "./tsconfig.json",
+    "exclude": [
+      "src/**/*.spec.ts",
+      "src/**/*.test.ts"
+    ]
+  }
\ No newline at end of file