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mcp/harbor
Grok

VerifyAPI — fact-check with signed receipts for Grok

io.github.kythekitty/verifyapi

Fact-check any claim with live web sources. Ed25519-signed receipts. Catches hallucinations.

client:Grok transport:stdio runtime:npm

Install VerifyAPI — fact-check with signed receipts 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": {
    "verifyapi": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@verify-api/mcp"
      ],
      "env": {
        "VERIFYAPI_API_KEY": "<VERIFYAPI_API_KEY>",
        "VERIFYAPI_BASE_URL": "<VERIFYAPI_BASE_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

VerifyAPI — fact-check with signed receipts in other clients

VerifyAPI — fact-check with signed receipts MCP server