{"mcp":{"url":"https://astrasync.shop/mcp","transport":"streamable-http","protocol_version":"2025-11-25","supported_versions":["2025-11-25","2025-06-18","2025-03-26","2024-11-05","2024-10-07"],"tools":["list_products","get_product","start_checkout"],"session":"stateless","skill_file":"https://astrasync.shop/skill.md"},"note":"Discovery convention is emerging; this file is provided as a hint until the standard formalizes."}