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U.CASH Pay

Official registry Finance and payments

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

Source code Documentation

What can you do with U.CASH Pay?

  • create_checkout(amount, currency, title, external_reference) → hosted checkout URL + transaction id
  • verify_webhook(raw_body, signature_header) → HMAC verify an X-Webhook-Signature
  • get_integrations() → Discord/Telegram/BigCommerce/Ecwid/Wix credentials (from /v1/integrations)
  • get_settings() → safe agent settings (from /v1/settings)

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http u-cash-pay 'https://mcp.u.cash/'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "u-cash-pay": {
            "type": "http",
            "url": "https://mcp.u.cash/"
        }
    }
}

Documentation

From the project's README on GitHub, refreshed weekly. Links open on GitHub.

Contents
  1. mcp-ucash
  2. Tools
  3. Run
  4. Claude Desktop / Cursor config
  5. MCP directories
  6. License

mcp-ucash

A merchant-side MCP server for U.CASH Pay. Let Claude Desktop, Cursor, or any MCP client manage a merchant's pay.u.cash: create checkouts, verify settlement webhooks, and read settings + integration credentials.

Tools

  • create_checkout(amount, currency, title, external_reference) → hosted checkout URL + transaction id
  • verify_webhook(raw_body, signature_header) → HMAC verify an X-Webhook-Signature
  • get_integrations() → Discord/Telegram/BigCommerce/Ecwid/Wix credentials (from /v1/integrations)
  • get_settings() → safe agent settings (from /v1/settings)

Run

# one-liner: uv installs an isolated Python 3.10+ and the deps for you
uvx --from mcp-ucash python -m mcp_ucash

Or from source:

pip install "mcp[cli]"
export UXC_API_KEY=uxc_...          # agent API key, for /v1/* reads
export UCASH_CLOUD_TOKEN=st_...     # store cloud token, for create_checkout
export UCASH_WEBHOOK_SECRET=...     # for verify_webhook
python mcp_ucash.py

Claude Desktop / Cursor config

{
  "mcpServers": {
    "ucash": {
      "command": "uvx",
      "args": ["--from", "mcp-ucash", "python", "-m", "mcp_ucash"],
      "env": {
        "UXC_API_KEY": "uxc_...",
        "UCASH_CLOUD_TOKEN": "st_...",
        "UCASH_WEBHOOK_SECRET": "..."
      }
    }
  }
}

MCP directories

This repo ships the manifests the MCP directories read:

  • mcp.json - client/registry descriptor (Glama, MCP Registry).
  • smithery.yaml - build + start spec for Smithery.

License

MIT.

Frequently asked questions

What is U.CASH Pay?

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

How do I install U.CASH Pay?

It runs as a remote server. In Claude Code: claude mcp add --transport http u-cash-pay 'https://mcp.u.cash/'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does U.CASH Pay need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Is U.CASH Pay open source?

Yes. Its code is on GitHub under the MIT license.

Who maintains U.CASH Pay?

It is published by UdotCASH. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.