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mcp/harbor
Grok

crossingkey mcp for Grok

com.crossingkeyintelligence/crossingkey-mcp

CrossingKey MCP for agent commerce, x402 payments, deterministic execution, and verifiable receipts.

client:Grok transport:streamable-http tools:6

Install crossingkey mcp in Grok

.mcp.json (in your project root) 

{
  "mcpServers": {
    "crossingkey-mcp": {
      "type": "http",
      "url": "https://mcp.crossingkeyintelligence.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

crossingkey mcp in other clients

crossingkey mcp MCP server