diff --git a/.coveragerc b/.coveragerc
new file mode 100644
index 0000000..1f14d1c
--- /dev/null
+++ b/.coveragerc
@@ -0,0 +1,6 @@
+[coverage:run]
+source = mdto
+
+[coverage:report]
+show_missing = True
+skip_covered = True
diff --git a/.github/workflows/codecov.yml b/.github/workflows/codecov.yml
index 191ebc2..3689e49 100644
--- a/.github/workflows/codecov.yml
+++ b/.github/workflows/codecov.yml
@@ -31,13 +31,7 @@ jobs:
           pip install pytest pytest-cov .
 
       - name: Run tests
-        run: pytest --cov=. --cov-report=xml
-
-      - name: install tree
-        run: sudo apt-get install -y tree
-        
-      - name: List directory structure
-        run: tree
+        run: pytest --cov=mdto --cov-report=xml
 
       - name: Upload results to Codecov
         uses: codecov/codecov-action@v5