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mcp/harbor
Grok

paywall mcp for Grok

io.github.llmops-pro/paywall-mcp

Lightning-paywall sidecar: wraps any stdio MCP server, requires paid invoices before tool calls.

client:Grok transport:stdio runtime:npm

Install paywall mcp 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": {
    "paywall-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "paywall-mcp"
      ],
      "env": {
        "PAYWALL_UPSTREAM_COMMAND": "<PAYWALL_UPSTREAM_COMMAND>",
        "PAYWALL_UPSTREAM_ARGS": "<PAYWALL_UPSTREAM_ARGS>",
        "NWC_CONNECTION_STRING": "<NWC_CONNECTION_STRING>",
        "PAYWALL_DEFAULT_PRICE_SATS": "<PAYWALL_DEFAULT_PRICE_SATS>",
        "PAYWALL_PRICE_MAP": "<PAYWALL_PRICE_MAP>"
      }
    }
  }
}

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

paywall mcp in other clients

paywall mcp MCP server