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mcp/harbor
Grok

Second Opinion for Grok

com.secondopinionx402/second-opinion

Adversarial verification for AI agents - pay an independent skeptic per verdict in USDC via x402.

client:Grok transport:streamable-http tools:6

Install Second Opinion in Grok

.mcp.json (in your project root) 

{
  "mcpServers": {
    "second-opinion": {
      "type": "http",
      "url": "https://secondopinionx402.com/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

Second Opinion in other clients

Second Opinion MCP server