diff --git a/.github/workflows/tools.yml b/.github/workflows/tools.yml
index e0c60dc..6417010 100644
--- a/.github/workflows/tools.yml
+++ b/.github/workflows/tools.yml
@@ -12,7 +12,15 @@ jobs:
     steps:
     - uses: actions/checkout@v7
     - name: Check metadata
-      run: tools/metadata.py
+      run: tools/metadata.py generate
+    - name: Copy latest versions
+      if: github.event_name == 'push' && github.ref == 'refs/heads/master'
+      run: cp tools/general.json meta/ && cp tools/parameters.json meta/
+    - name: Upload artifacts
+      uses: actions/upload-artifact@v7
+      with:
+        name: metadata
+        path: meta
   csv_to_ulog:
     runs-on: ubuntu-latest
     steps:
diff --git a/tools/metadata.py b/tools/metadata.py
index ca6a86d..8ed9266 100755
--- a/tools/metadata.py
+++ b/tools/metadata.py
@@ -2,9 +2,10 @@
 
 # Script for checking the metadata files
 
-import sys
+import sys, os
 import re
 from pathlib import Path
+import shutil
 import json
 import zlib
 import requests
@@ -13,10 +14,12 @@ def mavlink_crc323(data: bytes) -> int:
     return (zlib.crc32(data, 0xFFFFFFFF) ^ 0xFFFFFFFF) & 0xFFFFFFFF
 
 
+code = 0  # exit code
 parameter_regexp = re.compile(r'^\s+\{"(?P<name>[^"]+)",\s*&(?P<variable>[^,]+)(.*)\},?$', re.MULTILINE)
-
 parameters_source_file = Path(__file__).parent.parent / 'flix' / 'parameters.ino'
+mavlink_source_file = Path(__file__).parent.parent / 'flix' / 'mavlink.ino'
 parameters_code = parameters_source_file.read_text()
+mavlink_code = mavlink_source_file.read_text()
 parameters_meta_file = Path(__file__).parent / 'parameters.json'
 parameters_meta = json.loads(parameters_meta_file.read_text())
 assert parameters_meta['version'] == 1
@@ -49,8 +52,6 @@ print(f'Parameters CRC: {mavlink_crc323(parameters_meta_file.read_bytes())}')
 print(f'General URL: {general_url}')
 print(f'Parameters URL: {parameters_url}')
 
-code = 0
-
 assert general_data['version'] == 1
 for meta in general_data['metadataTypes']:
     if meta['type'] == 1:
@@ -65,14 +66,22 @@ else:
     print('ERROR: Parameters metadata not found in general.json')
     code = 1
 
-resp = requests.get(general_url, allow_redirects=True)
-resp.raise_for_status()
-assert resp.json() == general_data
+# check mavlink.ino contains correct link
+if f'{general_crc},' not in mavlink_code:
+    print(f'ERROR: mavlink.ino does not contain correct general.json CRC: {general_crc}')
+    code = 1
+if general_url not in mavlink_code:
+    print(f'ERROR: mavlink.ino does not contain correct general.json URL: {general_url}')
+    code = 1
 
-resp = requests.get(parameters_url, allow_redirects=True)
-resp.raise_for_status()
-assert resp.json() == parameters_meta
+if sys.argv[-1] == 'generate' and not code:
+    print('Copy metadata files')
+    os.makedirs(Path(__file__).parent.parent / 'meta' / str(general_crc), exist_ok=True)
+    os.makedirs(Path(__file__).parent.parent / 'meta' / str(parameters_crc), exist_ok=True)
+    shutil.copy(general_meta_file, Path(__file__).parent.parent / 'meta' / str(general_crc) / 'general.json')
+    shutil.copy(parameters_meta_file, Path(__file__).parent.parent / 'meta' / str(parameters_crc) / 'parameters.json')
 
 if code == 0:
     print('Everything is good')
 sys.exit(code)
+