diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fc50059..0c27365 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,5 +1,5 @@
 name: CI
-on: [push, pull_request]
+on: [ push, pull_request ]
 
 env:
   RUSTFLAGS: -Dwarnings
@@ -19,25 +19,30 @@ jobs:
           - nightly
     timeout-minutes: 45
     steps:
-      - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@stable
+      -
+        uses: actions/checkout@v4
+      -
+        uses: dtolnay/rust-toolchain@stable
         with:
           toolchain: ${{ matrix.rust }}
           components: clippy, rustfmt
-      - run: cargo install cargo-hack --locked
-      - uses: taiki-e/install-action@nextest
-      - uses: actions/setup-node@v4
+      -
+        run: cargo install cargo-hack --locked
+      -
+        uses: taiki-e/install-action@nextest
+      -
+        uses: actions/setup-node@v4
         with:
           node-version: lts/Iron # 20
-      - uses: denoland/setup-deno@v1
+      -
+        uses: denoland/setup-deno@v1
         with:
           deno-version: v1.45.x
-      - uses: Swatinem/rust-cache@v2.7.3
-      - run: npm install --global lefthook@1.6.9 remark-cli@12.0.1
-      - name: Install yj
-        run: |
-          curl -L https://github.com/sclevine/yj/releases/download/v5.1.0/yj-linux-amd64 -o yj
-          chmod +x yj
-          sudo mv yj /usr/local/bin/
-      - run: lefthook run --force pre-commit
-      - run: cargo hack test --feature-powerset
+      -
+        uses: Swatinem/rust-cache@v2.7.3
+      -
+        run: ./install.sh
+      -
+        run: lefthook run --force pre-commit
+      -
+        run: cargo hack test --feature-powerset
diff --git a/.remarkrc.json b/.remarkrc.json
new file mode 100644
index 0000000..d636104
--- /dev/null
+++ b/.remarkrc.json
@@ -0,0 +1,6 @@
+{
+  "plugins": [
+    ["remark-validate-links", {}],
+    ["remark-lint-no-dead-urls", {}]
+  ]
+}
diff --git a/install.sh b/install.sh
new file mode 100755
index 0000000..2f4a875
--- /dev/null
+++ b/install.sh
@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+npm install --global \
+  lefthook@1.6.9 \
+  remark-cli@12.0.1 \
+  remark-validate-links@8.0.0 \
+  remark-lint-no-dead-urls@1.1.0
+
+# Install yj
+curl -L https://github.com/sclevine/yj/releases/download/v5.1.0/yj-linux-amd64 -o /tmp/yj
+chmod +x /tmp/yj
+sudo mv /tmp/yj /usr/local/bin/yj