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Grok

Preflight for Grok

io.github.dainidude/preflight

Pay-per-call smart-contract security: scans, tx simulation, and token risk via x402 (USDC on Base).

client:Grok transport:streamable-http tools:4

Install Preflight in Grok

.mcp.json (in your project root)

{
  "mcpServers": {
    "preflight": {
      "type": "http",
      "url": "https://preflight--preflight-api-mcp.modal.run/mcp"
    }
  }
}

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

What Grok can do once it is connected

Preflight in other clients