diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
new file mode 100644
index 0000000..66720c4
--- /dev/null
+++ b/.github/workflows/main.yml
@@ -0,0 +1,24 @@
+name: CI
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+  schedule:
+  - cron: "23 0 12 * *"
+jobs:
+  build:
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: 3.8
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install fastjsonschema
+      - name: Validate tools' JSON
+        run: |
+          cd -- schemas/
+          ./validate-all-tools.py -s ./spec-v1.schema.json -t ../corpora/cmc-corpora/
diff --git a/schemas/.github/workflows/main.yml b/schemas/.github/workflows/main.yml
new file mode 100644
index 0000000..269634a
--- /dev/null
+++ b/schemas/.github/workflows/main.yml
@@ -0,0 +1,24 @@
+name: CI
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+  schedule:
+  - cron: "23 0 12 * *"
+jobs:
+  build:
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.8
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install fastjsonschema
+      - name: Validate tools' JSON
+        run: |
+          cd -- schemas/
+          ./validate-all-tools.py -s ./spec-v1.schema.json -s ./spec-v2.schema.json -t ../tools