@agentutility/mcp-web-probe

{
  "mcpServers": {
    "agentutility-web-probe": {
      "command": "npx",
      "args": [
        "-y",
        "@agentutility/mcp-web-probe"
      ],
      "env": {
        "X402_PRIVATE_KEY": "0xYOUR_PRIVATE_KEY_HEX"
      }
    }
  }
}

Path: ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).

{
  "mcpServers": {
    "agentutility-web-probe": {
      "command": "npx",
      "args": [
        "-y",
        "@agentutility/mcp-web-probe"
      ],
      "env": {
        "X402_PRIVATE_KEY": "0x..."
      }
    }
  }
}

Path: .cursor/mcp.json in your project root.

Send any amount of USDC on Base mainnet to the address derived from your X402_PRIVATE_KEY. The MCP server uses it to pay per call.

USDC on Base contract: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913