diff --git a/.github/workflows/link-check.yml b/.github/workflows/link-check.yml
new file mode 100644
index 000000000..ccebe7675
--- /dev/null
+++ b/.github/workflows/link-check.yml
@@ -0,0 +1,62 @@
+name: Link Check
+
+on:
+  # Run on PRs that touch the list
+  pull_request:
+    paths:
+      - "README.md"
+
+  # Run on pushes to master
+  push:
+    branches:
+      - master
+    paths:
+      - "README.md"
+
+  # Weekly scan (Sunday 06:00 UTC)
+  schedule:
+    - cron: "0 6 * * 0"
+
+  # Manual trigger
+  workflow_dispatch:
+
+jobs:
+  link-check:
+    name: Check Links
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Restore link cache
+        id: restore-cache
+        uses: actions/cache/restore@v4
+        with:
+          path: .lycheecache
+          key: lychee-cache-${{ github.sha }}
+          restore-keys: lychee-cache-
+
+      - name: Check links in README.md
+        id: lychee
+        uses: lycheeverse/lychee-action@v2
+        with:
+          args: >-
+            --verbose
+            --no-progress
+            --cache
+            --max-cache-age 3d
+            --max-retries 3
+            --retry-wait-time 5
+            --max-concurrency 10
+            --timeout 30
+            --user-agent "Mozilla/5.0 (compatible; awesome-python-link-checker)"
+            './README.md'
+          token: ${{ secrets.GITHUB_TOKEN }}
+          fail: true
+
+      - name: Save link cache
+        uses: actions/cache/save@v4
+        if: always()
+        with:
+          path: .lycheecache
+          key: ${{ steps.restore-cache.outputs.cache-primary-key }}
diff --git a/.lycheeignore b/.lycheeignore
new file mode 100644
index 000000000..f4c43e345
--- /dev/null
+++ b/.lycheeignore
@@ -0,0 +1,12 @@
+# LinkedIn blocks automated requests (always returns 999)
+^https?://(www\.)?linkedin\.com
+
+# Social media sites with aggressive bot detection
+^https?://(www\.)?twitter\.com
+^https?://x\.com
+^https?://(www\.)?facebook\.com
+^https?://(www\.)?instagram\.com
+
+# Localhost / local development URLs
+^https?://localhost
+^https?://127\.0\.0\.1
diff --git a/README.md b/README.md
index 00b4d2ef7..0d8761012 100644
--- a/README.md
+++ b/README.md
@@ -1034,7 +1034,7 @@ _Libraries for testing codebases and generating test data._
 
 - Testing Frameworks
   - [hypothesis](https://github.com/HypothesisWorks/hypothesis) - Hypothesis is an advanced Quickcheck style property based testing library.
-  - [nose2](https://github.com/nose-devs/nose2) - The successor to `nose`, based on `unittest2.
+  - [nose2](https://github.com/nose-devs/nose2) - The successor to `nose`, based on `unittest2`.
   - [pytest](https://docs.pytest.org/en/latest/) - A mature full-featured Python testing tool.
   - [Robot Framework](https://github.com/robotframework/robotframework) - A generic test automation framework.
   - [ScanAPI](https://pypi.org/project/scanapi/) - Automated Testing and Documentation for your REST API.
diff --git a/lychee.toml b/lychee.toml
new file mode 100644
index 000000000..17c99e578
--- /dev/null
+++ b/lychee.toml
@@ -0,0 +1,23 @@
+# Lychee link checker configuration
+# https://lychee.cli.rs/usage/config/
+
+# Treat 429 (rate-limited) responses as acceptable
+accept = ["100..=103", "200..=299", "429"]
+
+# Don't fail the check when a request times out
+timeout = 30
+accept_timeouts = true
+
+# Retry settings
+max_retries = 3
+retry_wait_time = 5
+
+# Be polite -- limit concurrent requests per host
+max_concurrency = 10
+
+# GitHub has the most links (528/708) -- throttle to avoid rate limits
+[host."github.com"]
+
+[host."pypi.org"]
+
+[host."docs.python.org"]