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mcp/harbor
Grok

Cuelark Tools for Grok

com.cuelark/tools

Exact tools for agents: US tax, routing/EIN checks, business days, JSON, links, packages, citations.

client:Grok transport:streamable-http tools:15

Install Cuelark Tools in Grok

.mcp.json (in your project root) 

{
  "mcpServers": {
    "tools": {
      "type": "http",
      "url": "https://tools.cuelark.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

Cuelark Tools in other clients

Cuelark Tools MCP server