U.CASH Pay

cash.u/ucash-payVersion 0.10.0

Pay x402 resources on U.CASH from your own wallet: view the price, pay on-chain, settle by hash.

Status

Responds672 msNov 14, 2026, 13:42 UTCAnswered our handshake without sign-in.

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Last checked: Nov 14, 2026, 13:42 UTC
Latency: 672 ms
Remotes responding: 1 of 1
Sign-in: No sign-in
Hosting: Hosted outside the EU (detected)
Registry data as of: Nov 14, 2026, 22:14 UTC

Data from the official MCP Registry, checked by run.zero. How we check

Connect

Streamable HTTP

https://mcp.u.cash/Responds672 msNov 14, 2026, 13:42 UTC

No sign-in

Claude Code

claude mcp add --transport http ucash-pay https://mcp.u.cash/

Claude Desktop and claude.ai

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Settings > Connectors > Add custom connector
Name: ucash-pay
Remote MCP server URL: https://mcp.u.cash/

Cursor

{
  "mcpServers": {
    "ucash-pay": {
      "url": "https://mcp.u.cash/"
    }
  }
}

VS Code

code --add-mcp '{"name":"ucash-pay","type":"http","url":"https://mcp.u.cash/"}'

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Tools

14 tools

Tools of U.CASH Pay
	Description		Read-only	Idempotent	Open world
`uxc_cancel_checkout`Cancel a UCP checkout session. No key; pass cloud for a hosted merchant.	Cancel a UCP checkout session. No key; pass cloud for a hosted merchant.	Not declared	Not declared	Not declared	Not declared
`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.	Mint payment challenges for a checkout session -> ready_for_complete. Optional ap2 (AP2 checkout mandate). No key; pass cloud for a hosted merchant.	Not declared	Not declared	Not declared	Not declared
`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}.	Create a UCP checkout session (multi-item, mixed-currency cart) for a merchant catalog. No key. Returns {id, status, currency, line_items, totals, ap2}.	Not declared	Not declared	Not declared	Not declared
`uxc_discover_servers`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 filters by name/product/summary. Discovery only - connect to each server directly with your own credentials; no call is ever proxied.	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 filters by name/product/summary. Discovery only - connect to each server directly with your own credentials; no call is ever proxied.	Not declared	Not declared	Not declared	Not declared
`uxc_discover_tools`Search tools across every u.cash MCP server by name or description (case-insensitive substring), optionally scoped to one server. Returns the tool, a one-liner, its server, and how to connect. Discovery only - connect to that server directly; no call is ever proxied.	Search tools across every u.cash MCP server by name or description (case-insensitive substring), optionally scoped to one server. Returns the tool, a one-liner, its server, and how to connect. Discovery only - connect to that server directly; no call is ever proxied.	Not declared	Not declared	Not declared	Not declared
`uxc_get_checkout`Fetch a UCP checkout session by id (status: incomplete -> ready_for_complete -> completed). No key; pass cloud for a hosted merchant.	Fetch a UCP checkout session by id (status: incomplete -> ready_for_complete -> completed). No key; pass cloud for a hosted merchant.	Not declared	Not declared	Not declared	Not declared
`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.	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.	Not declared	Not declared	Not declared	Not declared
`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.	View a UCP checkout session as an order (per-item fulfillment status + fulfillment events). No key; pass cloud for a hosted merchant.	Not declared	Not declared	Not declared	Not declared
`uxc_get_product`Fetch a single catalog product by id. Public (no key); pair with uxc_search_catalog to find ids.	Fetch a single catalog product by id. Public (no key); pair with uxc_search_catalog to find ids.	Not declared	Not declared	Not declared	Not declared
`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.	The PUBLIC cross-provider services catalog (eSend rail: each row carries the provider contact email, a sendable asset code and a price). No key.	Not declared	Not declared	Not declared	Not declared
`uxc_lookup_products`Batch catalog lookup by ids. Public (no key).	Batch catalog lookup by ids. Public (no key).	Not declared	Not declared	Not declared	Not declared
`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.	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.	Not declared	Not declared	Not declared	Not declared
`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.	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.	Not declared	Not declared	Not declared	Not declared
`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.	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.	Not declared	Not declared	Not declared	Not declared

Details

Registry status: Active
Published: Oct 5, 2026
Updated: Oct 5, 2026
Website: Not given
Repository: https://github.com/UdotCASH/mcp-ucash⁠ (opens in a new tab)
Categories (suggested): Finance and payments E-commerceSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared

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