B20 Check for Gemini CLI

com.b20check/b20check

Verify B20 tokens on Base: issuer powers, imposter detection, signed EIP-712 verdicts.

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

Install B20 Check in Gemini CLI

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

{
  "mcpServers": {
    "b20check": {
      "httpUrl": "https://b20check.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