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mcp/harbor
Grok

dropcoin invoice for Grok

io.github.freshfos/dropcoin-invoice

German e-invoicing: generate XRechnung 3.0, pre-check and extract (incl. ZUGFeRD PDF). Paid.

client:Grok transport:streamable-http tools:3

Install dropcoin invoice in Grok

.mcp.json (in your project root) 

{
  "mcpServers": {
    "dropcoin-invoice": {
      "type": "http",
      "url": "https://invoice-api.dropcoin.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

dropcoin invoice in other clients

dropcoin invoice MCP server