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mcp/harbor
Claude Desktop

CRA AGENT for Claude Desktop

io.github.giupy997/cra-agent

Lets an agent pay for x402 APIs in USDC on Arc, under a spending policy it cannot change.

client:Claude Desktop transport:stdio runtime:npm

Install CRA AGENT in Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json

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

{
  "mcpServers": {
    "cra-agent": {
      "command": "npx",
      "args": [
        "-y",
        "@cra-agent/mcp"
      ],
      "env": {
        "CRA_NETWORK": "<CRA_NETWORK>",
        "CRA_KEY_FILE": "<CRA_KEY_FILE>",
        "CRA_POLICY": "<CRA_POLICY>",
        "CRA_RPC_URL": "<CRA_RPC_URL>",
        "DATABASE_URL": "<DATABASE_URL>"
      }
    }
  }
}

Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs

CRA AGENT in other clients

CRA AGENT MCP server