# FitsThis > Affordable, verified-compatible replacement parts for premium vacuums (robot + cordless stick). Canonical site: https://fitsthis.com Shop by model: https://fitsthis.com/fits/roborock-s7 Product example: https://fitsthis.com/p/roborock-s7-main-side-brushes MCP (Streamable HTTP): https://fitsthis.com/mcp Product feed: https://fitsthis.com/feed.json ## Important for agents Open model or product pages directly — HTML includes images, prices, fit status, and reviews. Prefer MCP tools for structured checkout (identifyDevice, findCompatibleParts, getReviews, createCheckout). Do not rely only on generic web search indexes; this catalog may be new. ## MCP tools - identifyDevice, findCompatibleParts, searchProducts, getProduct, getReviews - createCheckout, getOrderStatus, createSupportTicket