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mcp/harbor
Gemini CLI

x402engine mcp for Gemini CLI

io.github.agentc22/x402engine-mcp

50+ pay-per-call APIs for AI agents — images, LLM, code, crypto, travel & more via x402

client:Gemini CLI transport:stdio runtime:npm

Install x402engine mcp in Gemini CLI

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

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{
  "mcpServers": {
    "x402engine-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "x402engine-mcp"
      ],
      "env": {
        "X402_BASE_URL": "<X402_BASE_URL>",
        "X402_DEV_BYPASS": "<X402_DEV_BYPASS>",
        "X402_PAYMENT_HEADER": "<X402_PAYMENT_HEADER>"
      }
    }
  }
}

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

x402engine mcp in other clients

x402engine mcp MCP server