diff --git a/.github/workflows/catalog.yml b/.github/workflows/catalog.yml
new file mode 100644
index 0000000..6800f93
--- /dev/null
+++ b/.github/workflows/catalog.yml
@@ -0,0 +1,18 @@
+on: push
+permissions:
+  contents: write
+jobs:
+  c:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - run: |
+          echo "[" >catalog.json;c=;
+          for f in *.sune;do [ -f "$f" ]||continue;raw="https://raw.githubusercontent.com/$GITHUB_REPOSITORY/$GITHUB_REF_NAME/$f";n=$(jq -r '.[0].name//empty' "$f" 2>/dev/null);a=$(jq -r '.[0].avatar//empty' "$f" 2>/dev/null);i=$(jq -r '.[0].id//empty' "$f" 2>/dev/null);jq -rn --arg name "${n:-$f}" --arg raw "$raw" --arg avatar "$a" --arg id "$i" '({name:$name,raw:$raw}+(if $avatar=="" then {} else {avatar:$avatar} end)+(if $id=="" then {} else {id:$id} end))'|sed "1s/^/$c  /">>catalog.json;c=,;done
+          echo "]" >>catalog.json
+          t=$(mktemp);jq . catalog.json>"$t"&&mv "$t" catalog.json
+          git config user.name bot
+          git config user.email bot@users.noreply.github.com
+          git add catalog.json
+          git commit -m update || true
+          git push