cash.u/ucash-pay

up checked 2026-11-11T11:38:18.197Z

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Publisher-provided title

U.CASH Pay

Publisher-provided description

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

Summary by lookupd

Lets an agent view x402 resource prices, pay on-chain from a wallet, and settle payments by transaction hash.

Install

Claude Code, remote (streamable-http)

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

Codex, remote (streamable-http)

codex mcp add ucash-pay --url https://mcp.u.cash/

Cursor, remote (streamable-http) → .cursor/mcp.json

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

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (14 tools)

Publisher-provided text

• 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
• 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
• 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 filte
• 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.
• 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.
• uxc_get_product Fetch a single catalog product by id. Public (no key); pair with uxc_search_catalog to find ids.
• uxc_lookup_products Batch catalog lookup by ids. Public (no key).
• 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}.
• uxc_get_checkout Fetch a UCP checkout session by id (status: incomplete -> ready_for_complete -> completed). No key; pass cloud for a hosted merchant.
• 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.
• uxc_cancel_checkout Cancel a UCP checkout session. No key; pass cloud for a hosted merchant.
• 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.
• 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
• 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,

Details

• Version: 0.10.0
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 743 ms
• First indexed: 2026-11-01T08:52:09.720Z
• Last seen in registry: 2026-11-01T08:52:09.732Z
• Repository: https://github.com/UdotCASH/mcp-ucash

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[![lookupd status](https://lookupd.com/badge/cash.u/ucash-pay.svg)](https://lookupd.com/servers/cash.u/ucash-pay)

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