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mcp/harbor
Gemini CLI

Billium for Gemini CLI

io.github.billiumhq/billium

Official Billium MCP server: manage crypto invoices, payments, and webhooks from any MCP host.

client:Gemini CLI transport:stdio runtime:npm

Install Billium in Gemini CLI

~/.gemini/settings.json · windows: %USERPROFILE%\.gemini\settings.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "billium": {
      "command": "npx",
      "args": [
        "-y",
        "@billium/mcp"
      ],
      "env": {
        "BILLIUM_API_KEY": "<BILLIUM_API_KEY>",
        "BILLIUM_MERCHANT_ID": "<BILLIUM_MERCHANT_ID>",
        "BILLIUM_BASE_URL": "<BILLIUM_BASE_URL>"
      }
    }
  }
}

Gemini expands $VAR and ${VAR} inside env values, so a secret can live in your shell rather than this file. Gemini CLI docs

Billium in other clients

Billium MCP server