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Grok

Derrick for Grok

com.derrick-app/derrick

B2B data enrichment: verified work emails, phones, firmographics, tech stack, hiring signals.

client:Grok transport:streamable-http

Install Derrick in Grok

.mcp.json (in your project root)

{
  "mcpServers": {
    "derrick": {
      "type": "http",
      "url": "https://app1.derrick-app.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

Derrick in other clients