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mcp/harbor
Grok

FX Reference Rates for Grok

dev.workers.regnotes.fx-reference-rates/fx-reference-rates

ECB FX rates, cloud GPU and LLM API prices, World Bank country macro data; pay per call via x402

client:Grok transport:streamable-http tools:4

Install FX Reference Rates in Grok

.mcp.json (in your project root) 

{
  "mcpServers": {
    "fx-reference-rates": {
      "type": "http",
      "url": "https://fx-reference-rates.regnotes.workers.dev/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

FX Reference Rates in other clients

FX Reference Rates MCP server