> For clean Markdown of any page, append .md to the page URL. > For a complete documentation index, see https://contentful.com/developers/docs/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://contentful.com/_mcp/server. # Ordering Nested Collections You can order any collection if it contains a many reference field with a validation rule that accepts only entries from a single content type: ```graphql query { friendlyUserCollection { items { firstName catCollection(order: [name_ASC]) { items { name } } } } } ```