Barcode Tools (decode, render, GTIN validate) for Gemini CLI

io.github.appvantagelabs2-a11y/barcode

Decode, render, validate barcodes: QR, DataMatrix, EAN, UPC, PDF417. All tools free, no auth.

client:Gemini CLI transport:streamable-http tools:4

Install Barcode Tools (decode, render, GTIN validate) in Gemini CLI

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

{
  "mcpServers": {
    "barcode": {
      "httpUrl": "https://mcp.casuyi.com/mcp"
    }
  }
}

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