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MCP-Server

U.CASH Pay

cash.u/ucash-pay
Commerce & Retail Krypto & Web3 Payments & Fintech Öffentlich und erreichbar MCP 2026-07-28

Was dieses MCP kann

Supports U.CASH checkout creation and catalog discovery, exposes payment instructions for resources, and verifies on-chain payments and settlement.

Funktionen

Tools

12 Tools
uxc_cancel_checkout
Cancel a UCP checkout session. No key; pass cloud for a hosted merchant.
Eingabeschema 
{'type': 'object', 'required': ['id'], 'properties': {'id': {'type': 'string'}, 'cloud': {'type': 'string'}}}
uxc_complete_checkout
Mint payment challenges for a checkout session -> ready_for_complete. Optional ap2 (AP2 checkout mandate). No key; pass cloud for a hosted merchant.
Eingabeschema 
{'type': 'object', 'required': ['id'], 'properties': {'id': {'type': 'string'}, 'ap2': {'type': 'string', 'description': 'optional AP2 checkout mandate'}, 'cloud': {'type': 'string'}}}
uxc_create_checkout
Create a UCP checkout session (multi-item, mixed-currency cart) for a merchant catalog. No key. Returns {id, status, currency, line_items, totals, ap2}.
Eingabeschema 
{'type': 'object', 'required': ['line_items'], 'properties': {'buyer': {'type': 'string'}, 'cloud': {'type': 'string', 'description': 'merchant token when buying from a hosted merchant'}, 'context': {'type': 'string'}, 'currency': {'type': 'string', 'description': 'optional cart display currency'}, 'line_items': {'type': 'array', 'description': 'each: {item:{id}, quantity}'}}}
uxc_get_checkout
Fetch a UCP checkout session by id (status: incomplete -> ready_for_complete -> completed). No key; pass cloud for a hosted merchant.
Eingabeschema 
{'type': 'object', 'required': ['id'], 'properties': {'id': {'type': 'string'}, 'cloud': {'type': 'string'}}}
uxc_get_market
The PUBLIC cross-merchant market catalog: every published checkout across merchants (id, title, price, currency, merchant, domain, payable url). No key. q filters by title/merchant/description.
Eingabeschema 
{'type': 'object', 'properties': {'q': {'type': 'string', 'description': 'filter by title/merchant/description'}, 'limit': {'type': 'integer', 'default': 50, 'maximum': 200}}}
uxc_get_order
View a UCP checkout session as an order (per-item fulfillment status + fulfillment events). No key; pass cloud for a hosted merchant.
Eingabeschema 
{'type': 'object', 'required': ['id'], 'properties': {'id': {'type': 'string'}, 'cloud': {'type': 'string'}}}
uxc_get_product
Fetch a single catalog product by id. Public (no key); pair with uxc_search_catalog to find ids.
Eingabeschema 
{'type': 'object', 'required': ['id'], 'properties': {'id': {'type': 'string'}, 'cloud': {'type': 'string'}}}
uxc_get_services
The PUBLIC cross-provider services catalog (eSend rail: each row carries the provider contact email, a sendable asset code and a price). No key.
Eingabeschema 
{'type': 'object', 'properties': {'limit': {'type': 'integer', 'default': 50, 'maximum': 200}}}
uxc_lookup_products
Batch catalog lookup by ids. Public (no key).
Eingabeschema 
{'type': 'object', 'required': ['ids'], 'properties': {'ids': {'type': 'array', 'items': {'type': 'string'}}, 'cloud': {'type': 'string'}}}
uxc_search_catalog
Search a merchant catalog (text query + price filters + pagination). The merchant is resolved from a cloud token (the "cloud" argument) or the platform default. No key.
Eingabeschema 
{'type': 'object', 'properties': {'cloud': {'type': 'string'}, 'query': {'type': 'string'}, 'filters': {'type': 'string'}, 'pagination': {'type': 'string'}}}
uxc_verify_payment
BUYER-SIDE. After paying a resource (from uxc_view_door) on-chain from your own wallet, submit the transaction hash to settle it. Pass the challengeId from the accepts[] entry you paid and the on-chain transaction hash. Returns settled (confirmed) or pending (awaiting confirmations). No seller key needed - the challengeId identifies the resource, and settlement is gated by on-chain confirmation.
Eingabeschema 
{'type': 'object', 'required': ['challengeId', 'hash'], 'properties': {'hash': {'type': 'string'}, 'challengeId': {'type': 'string'}}}
uxc_view_door
Fetch the public 402 payment door for a resource (what a buyer sees at https://agents.u.cash/r/{res_id}): the price + the multi-coin accepts[] (each asset, the seller receive address, and the exact amount to pay). No key. Use as a BUYER to see what to pay, then uxc_verify_payment after paying. status=true polls settlement without minting a new challenge.
Eingabeschema 
{'type': 'object', 'required': ['res_id'], 'properties': {'res_id': {'type': 'string'}, 'status': {'type': 'boolean', 'description': 'poll mode: GET /r/{id}?status=1 - no-mint settlement check'}}}
Verlauf

Letzte Tool-Änderungen

Hinzugefügt
uxc_get_order
5. October 2026 02:40
Hinzugefügt
uxc_cancel_checkout
5. October 2026 02:40
Hinzugefügt
uxc_complete_checkout
5. October 2026 02:40
Hinzugefügt
uxc_get_checkout
5. October 2026 02:40
Hinzugefügt
uxc_create_checkout
5. October 2026 02:40
Hinzugefügt
uxc_lookup_products
5. October 2026 02:40
Hinzugefügt
uxc_get_product
5. October 2026 02:40
Hinzugefügt
uxc_search_catalog
5. October 2026 02:40
Hinzugefügt
uxc_get_services
5. October 2026 02:40
Hinzugefügt
uxc_get_market
5. October 2026 02:40
Hinzugefügt
uxc_verify_payment
5. October 2026 02:40
Hinzugefügt
uxc_view_door
5. October 2026 02:40
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