Receipt — sign an agent's work, verify it offline for Gemini CLI

io.github.ecstatica/ggbank-receipt

Ed25519 receipts over work artifacts: issue and verify offline, no account, no chain, no network.

client:Gemini CLI transport:streamable-http runtime:mcpb tools:2

Install Receipt — sign an agent's work, verify it offline in Gemini CLI

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

{
  "mcpServers": {
    "ggbank-receipt": {
      "httpUrl": "https://receipt.whirlwindcorp.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