How do I install Ucash?

Ucash is a remote plugin. You do not need to install anything locally. Add the server URL to your AI app's MCP configuration and you are ready to go.

Is Ucash safe to use?

Ucash scored 5/10 (moderate risk) in MCP Marketplace's automated security scan. It has 5 high or critical findings to review. It's listed, but review the security report on this page before installing.

What AI apps work with Ucash?

Ucash uses the Model Context Protocol (MCP) and works with any MCP-compatible AI app, including Claude, ChatGPT / Codex, Gemini, Copilot, Cursor, and more.

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Ucash MCP Server

by UdotCASH

Developer ToolsModerate5.0MCP RegistryRemote

Free

Server data from the Official MCP Registry

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

About

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

Remote endpoints: streamable-http: https://mcp.u.cash/

Security Report

5.0

Moderate5.0Moderate Risk

Valid MCP server (1 strong, 4 medium validity signals). 5 known CVEs in dependencies (0 critical, 5 high severity) Imported from the Official MCP Registry.

14 tools verified · Open access · 5 issues found

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

Permissions Found in Source Code

Found by scanning the linked source code. This listing connects to a hosted endpoint, so none of this runs on your machine: it describes what the server software does where it is hosted.

env_vars

Applies to the server that hosts this plugin, not to your machine.

HTTP Network Access

Connects to external APIs or services over the internet.

How to Connect

Remote Plugin

No local installation needed. Your AI client connects to the remote endpoint directly.

Add this to your MCP configuration to connect:

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

Documentation

View on GitHub

From the project's GitHub README.

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.

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