diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index eeb9944..406737b 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,3 +14,8 @@ jobs:
           cache: 'npm'
       - run: npm ci --ignore-scripts
       - run: npm run test:ci
+      - uses: actions/upload-artifact@v3
+        if: always()
+        with:
+          name: coverage
+          path: coverage
diff --git a/README.md b/README.md
index 7b17479..07c8ff9 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,8 @@ Use the `.nvmrc` file to switch versions if you manage Node with `nvm`.
 - `npm run docs:dev` to launch the documentation server
 - `npm run docs:build` to generate `dist/`
 
-Once dependencies are installed, run `npm test` to execute the tests. 
+Once dependencies are installed, run `npm test` to execute the tests. No demo scripts are shipped: nothing runs until the agent acts.
+Test coverage reports are stored as a GitHub Actions artifact on pull requests.
 
 ## Configuration