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mcp/harbor
Gemini CLI

HPP x402 MCP Bridge for Gemini CLI

io.github.hpp-io/x402-mcp-bridge

MCP bridge for autonomous x402 payments in HPP USDC.e — discover and pay for services per call.

client:Gemini CLI transport:stdio runtime:npm

Install HPP x402 MCP Bridge in Gemini CLI

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

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "x402-mcp-bridge": {
      "command": "npx",
      "args": [
        "-y",
        "@hpp-io/x402-mcp-bridge"
      ],
      "env": {
        "DELEGATE_PRIVATE_KEY": "<DELEGATE_PRIVATE_KEY>",
        "HPP_NETWORK": "<HPP_NETWORK>",
        "RESOURCE_SERVER_URL": "<RESOURCE_SERVER_URL>",
        "SAFE_ADDRESS": "<SAFE_ADDRESS>",
        "ALLOWANCE_MODULE_ADDRESS": "<ALLOWANCE_MODULE_ADDRESS>"
      }
    }
  }
}

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

HPP x402 MCP Bridge in other clients

HPP x402 MCP Bridge MCP server