Angel Agent Guard: pre-purchase check + prompt-injection scan

Connect Runs on your machine

claude mcp add agent-guard -e ANGEL_PAYER_ADDRESS=<ANGEL_PAYER_ADDRESS> -e ANGEL_AGENT_PRIVATE_KEY=<ANGEL_AGENT_PRIVATE_KEY> -e ANGEL_MAX_USDC=<ANGEL_MAX_USDC> -- npx -y [email protected]

{
  "mcpServers": {
    "agent-guard": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "ANGEL_PAYER_ADDRESS": "<ANGEL_PAYER_ADDRESS>",
        "ANGEL_AGENT_PRIVATE_KEY": "<ANGEL_AGENT_PRIVATE_KEY>",
        "ANGEL_MAX_USDC": "<ANGEL_MAX_USDC>"
      }
    }
  }
}

{
  "mcpServers": {
    "agent-guard": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "ANGEL_PAYER_ADDRESS": "<ANGEL_PAYER_ADDRESS>",
        "ANGEL_AGENT_PRIVATE_KEY": "<ANGEL_AGENT_PRIVATE_KEY>",
        "ANGEL_MAX_USDC": "<ANGEL_MAX_USDC>"
      }
    }
  }
}

{
  "servers": {
    "agent-guard": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "ANGEL_PAYER_ADDRESS": "<ANGEL_PAYER_ADDRESS>",
        "ANGEL_AGENT_PRIVATE_KEY": "<ANGEL_AGENT_PRIVATE_KEY>",
        "ANGEL_MAX_USDC": "<ANGEL_MAX_USDC>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

Details

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