diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..0ccf404
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,54 @@
+name: Test CI
+
+concurrency:
+  cancel-in-progress: true
+
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  draft-pr-job-limiter:
+    runs-on: ubuntu-latest
+    outputs:
+      jobs: ${{ steps.draft-pr-job-limiter.outputs.jobs }}
+    steps:
+    - id: draft-pr-job-limiter
+      # 1. use any other condition(s) that fits your requirements
+      # 2. each item in the JSON array will be matched against your matrix later
+      # 3. here I exclude everything except ubuntu-latest + python3.7 (see matrix below)
+      # 4. make sure to output as single line
+      # 5. the default case is: exclude nothing
+      run:
+        if ${{ github.event.pull_request.draft == true }}; then  # 1
+          # 2, 3
+          #  {"config.build_mode": "setuptools""},
+          #  {"matrix_eval" : "CC=gcc-9 CXX=g++-9"}
+          echo 'jobs=[
+            {"os": "ubuntu-22.04"}
+          ]' | tr -d '[:space:]' >> $GITHUB_OUTPUT  # 4
+        else
+          echo 'jobs=[]' >> $GITHUB_OUTPUT  # 5
+        fi|
+  ci:
+    runs-on: ${{ matrix.os }}
+    name: ${{ matrix.os }} - ${{ matrix.config.foo }}
+    needs: draft-pr-job-limiter
+    strategy:
+      matrix:
+        os: [ macOS-11, ubuntu-20.04]
+        config:
+					foo: "bar"
+					foo: "baz"
+				include:
+					- os: ubuntu-22.04
+						config:
+							foo: "fish"
+        exclude: ${{ fromJSON(needs.draft-pr-job-limiter.outputs.jobs) }}
+    steps:
+      - name: actual work
+        run: |
+					echo "doing real work here."
+					sleep 60
+					echo "done"