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mcp/harbor
Gemini CLI

x402 mcp for Gemini CLI

io.github.x402node/x402-mcp

Hundreds of x402-paid APIs as MCP tools, auto-discovered from Coinbase Bazaar. USDC on Base+Solana.

client:Gemini CLI transport:stdio runtime:npm

Install x402 mcp in Gemini CLI

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

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{
  "mcpServers": {
    "x402-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "x402node-mcp"
      ],
      "env": {
        "X402_PRIVATE_KEY": "<X402_PRIVATE_KEY>"
      }
    }
  }
}

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

x402 mcp in other clients

x402 mcp MCP server