Do you want to help testing @badgefed and provision your local test instance?
Easy
docker pull ghcr.io/tryvocalcat/badgefed:latest &&
docker run -v `pwd`/data:/app/data \
-p 8080:8080 \
-e SQLITE_DB_FILENAME=/app/data/badges.db \
-e AdminAuthentication__AdminUsers__0__Id=your-mastodon-username \
-e AdminAuthentication__AdminUsers__0__Type=Mastodon \
-e MastodonConfig__ClientId=your-mastodon-client-id \
-e MastodonConfig__ClientSecret=your-mastodon-client-secret \
-e MastodonConfig__Server=your-mastodon-server \
ghcr.io/tryvocalcat/badgefed
And then open a browser and go to http://localhost:8080 or http://localhost:8080/admin