diff --git a/.forgejo/workflows/continuous-integration.yaml b/.forgejo/workflows/continuous-integration.yaml
new file mode 100644
index 0000000..2060ab9
--- /dev/null
+++ b/.forgejo/workflows/continuous-integration.yaml
@@ -0,0 +1,14 @@
+on:
+   pull_request:
+   push:
+      branches: [main]
+jobs:
+   test:
+      runs-on: docker
+      container:
+         image: node:23
+      steps:
+      - uses: https://code.forgejo.org/actions/checkout@v4
+      - run: npm install -g pnpm@10.8.0
+      - run: pnpm install
+      - run: pnpm test
diff --git a/src/number/__test__/Number.spec.js b/src/number/__test__/Number.spec.js
new file mode 100644
index 0000000..5171642
--- /dev/null
+++ b/src/number/__test__/Number.spec.js
@@ -0,0 +1,11 @@
+import assert from 'assert'
+import {Number} from '../Number.js'
+
+describe('Number Type', () => {
+   it('correctly recognizes numbers', () => {
+      assert(Number.test(3))
+      assert(Number.test(NaN))
+      assert(Number.test(Infinity))
+      assert(!Number.test("3"))
+   })
+})