diff --git a/.github/workflows/danger.yml b/.github/workflows/danger.yml
new file mode 100644
index 0000000..0660e5a
--- /dev/null
+++ b/.github/workflows/danger.yml
@@ -0,0 +1,19 @@
+name: Issue + PR management
+
+on: [pull_request]
+
+jobs:
+  danger:
+      runs-on: ubuntu-latest
+      steps:
+            - uses: actions/checkout@v2
+            - name: Use Node.js
+              uses: actions/setup-node@v1
+              with:
+                  node-version: '15.x'
+            - run: yarn install
+            - run: yarn run build
+            - name: Danger JS Action
+              uses: danger/danger-js@9.1.8
+              env:
+                GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/dangerfile.ts b/dangerfile.ts
new file mode 100644
index 0000000..588864c
--- /dev/null
+++ b/dangerfile.ts
@@ -0,0 +1,26 @@
+import { danger, warn } from 'danger';
+
+// No PR is too small to include a description of why you made a change
+function checkPRBodyLength() {
+    if (danger.github.pr === undefined) {
+        return;
+    }
+
+    // @ts-ignore
+    if (danger.github.pr.body.length < 10) {
+        warn('Please include a description of your PR changes.');
+    }
+}
+
+checkPRBodyLength();
+
+// Request changes to src also include changes to tests.
+const allFiles = danger.git.modified_files.concat(danger.git.created_files);
+const hasAppChanges = allFiles.some((p) => p.includes('src/'));
+const hasTestChanges = allFiles.some((p) => p.includes('__tests__/'));
+
+if (hasAppChanges && !hasTestChanges) {
+    warn(
+        'This PR does not include changes to tests, even though it affects app code.',
+    );
+}