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No key. q filte"},{"name":"uxc_get_services","description":"The PUBLIC cross-provider services catalog (eSend rail: each row carries the provider contact email, a sendable asset code and a price). No key."},{"name":"uxc_search_catalog","description":"Search a merchant catalog (text query + price filters + pagination). The merchant is resolved from a cloud token (the \"cloud\" argument) or the platform default."},{"name":"uxc_get_product","description":"Fetch a single catalog product by id. Public (no key); pair with uxc_search_catalog to find ids."},{"name":"uxc_lookup_products","description":"Batch catalog lookup by ids. Public (no key)."},{"name":"uxc_create_checkout","description":"Create a UCP checkout session (multi-item, mixed-currency cart) for a merchant catalog. No key. Returns {id, status, currency, line_items, totals, ap2}."},{"name":"uxc_get_checkout","description":"Fetch a UCP checkout session by id (status: incomplete -> ready_for_complete -> completed). No key; pass cloud for a hosted merchant."},{"name":"uxc_complete_checkout","description":"Mint payment challenges for a checkout session -> ready_for_complete. Optional ap2 (AP2 checkout mandate). No key; pass cloud for a hosted merchant."},{"name":"uxc_cancel_checkout","description":"Cancel a UCP checkout session. No key; pass cloud for a hosted merchant."},{"name":"uxc_get_order","description":"View a UCP checkout session as an order (per-item fulfillment status + fulfillment events). No key; pass cloud for a hosted merchant."},{"name":"uxc_discover_servers","description":"List every u.cash MCP server in the fleet (buyer, seller, prime, legacy): product surface, auth model, transports with install coordinates, docs URL. Optional q"},{"name":"uxc_discover_tools","description":"Search tools across every u.cash MCP server by name or description (case-insensitive substring), optionally scoped to one server. 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No key. q filte"},{"name":"uxc_get_services","description":"The PUBLIC cross-provider services catalog (eSend rail: each row carries the provider contact email, a sendable asset code and a price). No key."},{"name":"uxc_search_catalog","description":"Search a merchant catalog (text query + price filters + pagination). The merchant is resolved from a cloud token (the \"cloud\" argument) or the platform default."},{"name":"uxc_get_product","description":"Fetch a single catalog product by id. Public (no key); pair with uxc_search_catalog to find ids."},{"name":"uxc_lookup_products","description":"Batch catalog lookup by ids. Public (no key)."},{"name":"uxc_create_checkout","description":"Create a UCP checkout session (multi-item, mixed-currency cart) for a merchant catalog. No key. Returns {id, status, currency, line_items, totals, ap2}."},{"name":"uxc_get_checkout","description":"Fetch a UCP checkout session by id (status: incomplete -> ready_for_complete -> completed). No key; pass cloud for a hosted merchant."},{"name":"uxc_complete_checkout","description":"Mint payment challenges for a checkout session -> ready_for_complete. Optional ap2 (AP2 checkout mandate). No key; pass cloud for a hosted merchant."},{"name":"uxc_cancel_checkout","description":"Cancel a UCP checkout session. No key; pass cloud for a hosted merchant."},{"name":"uxc_get_order","description":"View a UCP checkout session as an order (per-item fulfillment status + fulfillment events). No key; pass cloud for a hosted merchant."},{"name":"uxc_discover_servers","description":"List every u.cash MCP server in the fleet (buyer, seller, prime, legacy): product surface, auth model, transports with install coordinates, docs URL. Optional q"},{"name":"uxc_discover_tools","description":"Search tools across every u.cash MCP server by name or description (case-insensitive substring), optionally scoped to one server. 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