diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
new file mode 100644
index 0000000..a4b8295
--- /dev/null
+++ b/.github/workflows/checks.yml
@@ -0,0 +1,46 @@
+name: 👮‍♂️ Sanity checks
+
+on: [push, pull_request, workflow_dispatch]
+
+concurrency:
+  group: ${{github.workflow}}-${{github.ref}}
+  cancel-in-progress: true
+
+jobs:
+  prettify:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os:
+          - ubuntu-latest
+        node_version:
+          - 20
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Use Node.js ${{ matrix.node_version }}
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node_version }}
+
+      - name: Run Prettier
+        run: npx prettier -c '**/*.{md,yml,yaml}'
+
+  codespell:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os:
+          - ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Run codespell
+        uses: codespell-project/actions-codespell@v2.0
+        with:
+          check_filenames: true
+          skip: ./.git
diff --git a/README.md b/README.md
index d63cb89..fa6eadb 100644
--- a/README.md
+++ b/README.md
@@ -57,6 +57,7 @@ The current list of members is available below, for transparency purposes.
 - Rahul (TRM Labs)
 - Ayden (Binance)
 - Symbiotic (Binance)
+- Thibault (Dfns)
 
 ## SEAL 911 Code of Conduct