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mcp/harbor
Grok

Stride20k x402 Data Gateway for Grok

io.github.marysbrain/x402-gateway-mcp

x402 analytics feed + 20+ pay-per-call agent tools over x402 (data, LLM, risk), no accounts.

client:Grok transport:stdio runtime:npm

Install Stride20k x402 Data Gateway 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": {
    "x402-gateway-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "x402-gateway-mcp"
      ],
      "env": {
        "WALLET_PRIVATE_KEY": "<WALLET_PRIVATE_KEY>",
        "MAX_PER_CALL_USD": "<MAX_PER_CALL_USD>",
        "MAX_SESSION_USD": "<MAX_SESSION_USD>",
        "GATEWAY_URL": "<GATEWAY_URL>"
      }
    }
  }
}

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

Stride20k x402 Data Gateway in other clients

Stride20k x402 Data Gateway MCP server