diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index a6d8a08..8a26db5 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -153,6 +153,30 @@ jobs:
         env:
           REPOSITORY: ${{needs.preflight.outputs.repository}}
 
+  existing:
+    runs-on: ubuntu-latest
+    name: Existing repository
+    needs: preflight
+    if: needs.preflight.outputs.removal != 'true'
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v5.0.0
+
+      - name: Set up Python
+        uses: actions/setup-python@v6.0.0
+        with:
+          python-version-file: ".python-version"
+          cache: "pip"
+          cache-dependency-path: "requirements.txt"
+
+      - name: Install dependencies if needed
+        run: scripts/setup
+
+      - name: Run the check
+        run: python3 -m scripts.check.existing
+        env:
+          REPOSITORY: ${{needs.preflight.outputs.repository}}
+
   hassfest:
     runs-on: ubuntu-latest
     name: Hassfest
diff --git a/scripts/check/existing.py b/scripts/check/existing.py
new file mode 100644
index 0000000..98b5f7b
--- /dev/null
+++ b/scripts/check/existing.py
@@ -0,0 +1,34 @@
+import asyncio
+import os
+import requests
+
+CHECKURL = "https://data-v2.hacs.xyz/removed/repositories.json"
+
+CATEGORIES = [
+    "appdaemon",
+    "integration",
+    "netdaemon",
+    "plugin",
+    "python_script",
+    "template",
+    "theme",
+]
+
+
+async def check():
+    repo = os.environ["REPOSITORY"].lower()
+
+    for category in CATEGORIES:
+        checkurl = f"https://data-v2.hacs.xyz/{category}/repositories.json"
+        try:
+            category_repositories = set(x.lower() for x in requests.get(checkurl).json())
+            if repo in category_repositories:
+                exit(f"::error::'{repo}' alredy exist as a {category} in HACS")
+        except Exception as e:
+            exit(f"::error::{e}")
+
+    print("Repository does not exist in HACS")
+
+
+if __name__ == "__main__":
+    asyncio.get_event_loop().run_until_complete(check())