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Grok

XPayr Non-Custodial Crypto Gateway & AI Agent Commerce MCP for Grok

io.github.xpayrcom/xpayr-mcp-server

21 MCP tools for non-custodial crypto checkout, USDT/USDC links, webhooks, and AI agents.

client:Grok transport:stdio runtime:npm

Install XPayr Non-Custodial Crypto Gateway & AI Agent Commerce MCP in Grok

.mcp.json (in your project root)

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{
  "mcpServers": {
    "xpayr-mcp-server": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@xpayr/mcp-server"
      ],
      "env": {
        "XPAYR_API_KEY": "<XPAYR_API_KEY>"
      }
    }
  }
}

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

XPayr Non-Custodial Crypto Gateway & AI Agent Commerce MCP in other clients

XPayr Non-Custodial Crypto Gateway & AI Agent Commerce MCP MCP server