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Gemini CLI

mcp server for Gemini CLI

io.github.apitier/mcp-server

APITier utility APIs as MCP tools: validation, UK/India address lookup, barcode/QR, data conversion.

client:Gemini CLI transport:stdio runtime:npm

Install mcp server in Gemini CLI

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

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{
  "mcpServers": {
    "mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@apitier/mcp-server"
      ],
      "env": {
        "APITIER_EMAIL_KEY": "<APITIER_EMAIL_KEY>",
        "APITIER_PHONE_KEY": "<APITIER_PHONE_KEY>",
        "APITIER_VAT_KEY": "<APITIER_VAT_KEY>",
        "APITIER_POSTCODE_KEY": "<APITIER_POSTCODE_KEY>",
        "APITIER_PINCODE_KEY": "<APITIER_PINCODE_KEY>",
        "APITIER_BARCODE_KEY": "<APITIER_BARCODE_KEY>",
        "APITIER_CONVERT_DATA_KEY": "<APITIER_CONVERT_DATA_KEY>"
      }
    }
  }
}

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

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