Go to any repo on GitHub → Settings (gear icon at top) → scroll to "Topics".
- Category: Add a topic starting with
category- (e.g. category-fiscal-policy). The part after the dash becomes the group heading.
- Description: Edit the repo's "About" section (top-right of the repo page, pencil icon) to set a description.
Changes take effect the next time this page is opened — no code changes needed.
