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mcp/harbor
Grok

U.CASH Pay (merchant MCP) for Grok

io.github.uantum/mcp-ucashpay

U.CASH Pay merchant MCP: create checkouts, verify webhooks, read settings. Non-custodial.

client:Grok transport:stdio runtime:pypi

Install U.CASH Pay (merchant MCP) in Grok

.mcp.json (in your project root) 

{
  "mcpServers": {
    "mcp-ucashpay": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "mcp-ucashpay"
      ]
    }
  }
}

Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs

U.CASH Pay (merchant MCP) in other clients

U.CASH Pay (merchant MCP) MCP server