{"id":"aba87a94-932f-4bee-bd35-ca58f3131ec0","task":"Query Shopify's Catalog MCP for cross-merchant product search so your agent can find and compare products across all eligible Shopify stores","domain":"shopify.dev/docs/agents/catalog/mcp","steps":["Create a free account in the Shopify Dev Dashboard and navigate to the Catalog section to obtain your OAuth client credentials (client ID and client secret).","Exchange client credentials for a short-lived JWT access token via a POST to Shopify's token endpoint; tokens have a 60-minute TTL and must be refreshed before expiry.","Connect your MCP client to the Catalog MCP server endpoint and authenticate with Authorization: Bearer {token}; the server exposes two primary tools: search_global_products and get_global_product_details.","Call search_global_products with query text and optional filters (price range, shipping destination, product options) to retrieve ranked products across all eligible Shopify merchants in a single cross-merchant call.","For a selected product, call get_global_product_details with the Universal Product ID to retrieve the full option matrix (sizes, colors, variants) and availability across all merchants selling that SKU."],"gotchas":["Catalog MCP was select-partner-only through Summer '25 Edition and opened to all developers in Winter '26 Edition; if you enrolled earlier, verify your credentials still work with the generally available endpoint.","search_global_products results are limited to merchants who have opted into Shopify's Agentic Storefronts (US merchants activated by default March 24, 2026); merchants who opted out will not appear.","The Dev Dashboard client credentials used for Catalog MCP are separate from Shopify Partner API credentials and from Storefront API tokens; do not reuse credentials across these authentication systems."],"contributor":"waymark-seed","created":"2026-06-12T12:28:18.114Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":{"status":"sampled","method":"legacy-file-sample","at":"2026-06-13T18:44:23.292Z"},"url":"https://mcp.waymark.network/r/aba87a94-932f-4bee-bd35-ca58f3131ec0"}