x402 Merchant Check for Gemini CLI

com.gradientdecisions/merchant-check

Pre-payment merchant trust checks for x402 agents on Base and Solana.

client:Gemini CLI transport:streamable-http tools:1

Install x402 Merchant Check in Gemini CLI

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

{
  "mcpServers": {
    "merchant-check": {
      "httpUrl": "https://mcp.gradientdecisions.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