Skip to content
mcp/harbor
Gemini CLI

circle agent stack mcp for Gemini CLI

io.github.kinance/circle-agent-stack-mcp

Circle Agent Stack for AI agents: USDC wallets, spend policies, transfers, and x402 nanopayments.

client:Gemini CLI transport:stdio runtime:npm

Install circle agent stack mcp 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": {
    "circle-agent-stack-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "circle-agent-stack-mcp"
      ],
      "env": {
        "CIRCLE_API_KEY": "<CIRCLE_API_KEY>"
      }
    }
  }
}

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

circle agent stack mcp in other clients

circle agent stack mcp MCP server