diff --git a/README.md b/README.md
index 2027735..8b6ec3e 100644
--- a/README.md
+++ b/README.md
@@ -61,3 +61,10 @@ Run the script to migrate repositories:
 ```bash
 pipenv run python migrate_github_to_forgejo.py
 ```
+
+After that you can add a notice where they moved and archive
+those repositories with:
+
+```bash
+pipenv run python archive_github.py
+```
diff --git a/archive_github.py b/archive_github.py
new file mode 100644
index 0000000..7c65142
--- /dev/null
+++ b/archive_github.py
@@ -0,0 +1,66 @@
+#!/usr/bin/env python3
+import os
+import requests
+from base64 import b64decode, b64encode
+from dotenv import load_dotenv
+
+# Load credentials from .env
+load_dotenv()
+
+GITHUB_USER = os.getenv("GITHUB_USERNAME")
+TOKEN = os.getenv("GITHUB_TOKEN")
+FORGEJO_USER = os.getenv("FORGEJO_USERNAME")
+FORGEJO_URL = os.getenv("FORGEJO_URL")
+
+headers = {"Authorization": f"token {TOKEN}"}
+
+# Get list of repos
+repos_url = f"https://api.github.com/users/{GITHUB_USER}/repos?per_page=100"
+repos = requests.get(repos_url, headers=headers).json()
+
+for repo in repos:
+    repo_name = repo["name"]
+    print(f"Processing {repo_name}...")
+
+    # Skip forks if desired
+    if repo["fork"]:
+        print("  Skipping fork")
+        continue
+
+    # 1. Update or create README.md
+    readme_url = f"https://api.github.com/repos/{GITHUB_USER}/{repo_name}/contents/README.md"
+    r = requests.get(readme_url, headers=headers)
+
+    notice = f"⚠️ This repository has moved to {FORGEJO_URL}/{FORGEJO_USER}/{repo_name}\n\n"
+
+    if r.status_code == 200:
+        readme_info = r.json()
+        sha = readme_info["sha"]
+        content = b64decode(readme_info["content"]).decode("utf-8")
+
+        if not content.startswith(notice):
+            updated_content = notice + content
+            data = {
+                "message": "Add notice about migration to Forgejo",
+                "content": b64encode(updated_content.encode("utf-8")).decode("utf-8"),
+                "sha": sha
+            }
+            r = requests.put(readme_url, headers=headers, json=data)
+            print("  README.md updated" if r.status_code == 200 else f"  Failed to update README.md: {r.text}")
+        else:
+            print("  README.md already contains notice")
+    elif r.status_code == 404:
+        data = {
+            "message": "Create README with migration notice",
+            "content": b64encode(notice.encode("utf-8")).decode("utf-8")
+        }
+        r = requests.put(readme_url, headers=headers, json=data)
+        print("  README.md created" if r.status_code == 201 else f"  Failed to create README.md: {r.text}")
+    else:
+        print(f"  Failed to get README.md: {r.text}")
+
+    # 2. Archive the repo
+    archive_url = f"https://api.github.com/repos/{GITHUB_USER}/{repo_name}"
+    data = {"archived": True}
+    r = requests.patch(archive_url, headers=headers, json=data)
+    print("  Repository archived" if r.status_code == 200 else f"  Failed to archive repo: {r.text}")