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mcp/harbor
Grok

pop pay for Grok

io.github.100xpercent/pop-pay

Runtime security for AI agent commerce. CLI + MCP server blocks hallucinated purchases.

client:Grok transport:stdio runtime:npm

Install pop pay in Grok

.mcp.json (in your project root)

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "pop-pay": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "pop-pay"
      ],
      "env": {
        "POP_CDP_URL": "<POP_CDP_URL>",
        "POP_ALLOWED_CATEGORIES": "<POP_ALLOWED_CATEGORIES>",
        "POP_MAX_PER_TX": "<POP_MAX_PER_TX>",
        "POP_MAX_DAILY": "<POP_MAX_DAILY>",
        "POP_GUARDRAIL_ENGINE": "<POP_GUARDRAIL_ENGINE>"
      }
    }
  }
}

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

pop pay in other clients

pop pay MCP server