UCP Checker
ucpchecker/ucp-checkerA universal commerce gateway for AI agents to interact with UCP-enabled stores. Enables live product discovery, real-time catalog search, and checkout generation across verified Shopify stores (e.g., Allbirds, Gymshark). Use this to find products, verify merchant capabilities, and facilitate end-to-end shopping journeys via the Universal Commerce Protocol.
Tools · 10
List verified UCP stores, optionally filtered by category and minimum score. Use when the user wants to shop by category — e.g., "find me a pet store" or "what shoe stores are available?"…
List all available store categories with store counts. Use to discover what kinds of stores are available before narrowing down. Returns categories sorted by number of stores (most stores…
Check if a domain supports Universal Commerce Protocol (UCP). Returns the UCP status, manifest version, capabilities, response latency, and AI bot access policies (GPTBot, ClaudeBot, Goog…
Discover available shopping tools on a UCP-enabled store. Connects to the store's MCP endpoint and lists all available tools (search, cart, shipping, etc.). Use this to understand wha…
Search for products on any UCP-enabled Shopify store. Searches the store's live product catalog via UCP/MCP and returns matching products with titles, prices, variants, and images. E…
Search for products across all verified UCP stores at once. Fans out the query to multiple stores concurrently and returns aggregated results grouped by store. Fast stores respond first; …
Search store policies on any UCP-enabled Shopify store. Query return policies, shipping policies, refund policies, privacy policies, terms of service, or any other store policy. Returns t…
Get full product details including variant IDs from a UCP-enabled store. Use this after search-catalog to resolve variant IDs needed for add-to-cart. Pass the Product ID from search resul…
Add a product to cart on any UCP-enabled Shopify store and get a checkout URL. Requires a variant ID from the search-catalog or get-product-details results. Returns the cart contents, che…
Build a multi-store shopping cart in one call. Pass an array of items (each with domain + variantId) and get back per-store checkout URLs. Items on the same store share one cart. Req…
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How to use
Add to your Claude Desktop / Cursor / Cline MCP config:
{
"mcpServers": {
"ucp_checker": {
"url": "https://ucpchecker.com/",
"transport": "http"
}
}
}