diff --git a/.github/workflows/_checks.yml b/.github/workflows/_checks.yml
index 7cf9b88..b7d307d 100644
--- a/.github/workflows/_checks.yml
+++ b/.github/workflows/_checks.yml
@@ -24,6 +24,20 @@ jobs:
       - uses: extractions/setup-just@v4
       - uses: astral-sh/setup-uv@v8.2.0
       - run: just docs-build
+  links:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      # --offline blocks network requests and excludes every external URL, so this
+      # gate is deterministic: it fails only on a relative link or file path that a
+      # diff actually broke.
+      - name: Check local links
+        uses: lycheeverse/lychee-action@v2
+        with:
+          args: >-
+            --offline
+            --no-progress
+            '**/*.md'
 
   pytest:
     runs-on: ubuntu-latest
diff --git a/mkdocs.yml b/mkdocs.yml
index 766fbb5..f3ea0c4 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -4,13 +4,10 @@ repo_url: https://github.com/modern-python/faststream-outbox
 docs_dir: docs
 edit_uri: edit/main/docs/
 
-# Agent-facing docs are read from the repo, never published. Keeps `mkdocs --strict` from
-# failing them as orphaned pages.
+# Agent-facing docs and the ADRs are read from the repo, never published. Keeps
+# `mkdocs --strict` from failing them as orphaned pages.
 exclude_docs: |
   /agents/
-
-# ADRs are built (so their outgoing links are validated) but stay out of the site menu.
-not_in_nav: |
   /adr/
 
 nav: