alpaca-guard

About alpaca-guard

Use alpaca-guard with your agent

claude mcp add alpaca-guard -- npx -y alpaca-guard-mcp

{
  "mcpServers": {
    "alpaca-guard": {
      "command": "npx",
      "args": [
        "-y",
        "alpaca-guard-mcp"
      ]
    }
  }
}

Frequently asked questions

What is alpaca-guard?

alpaca-guard is an MCP (Model Context Protocol) server by evidai in the Finance category. Alpaca trading API with hard daily USD cap guard. Paper trading default; live opt-in.

How do I connect alpaca-guard to Claude, Cursor, or another MCP client?

Install alpaca-guard from its npm package (alpaca-guard-mcp) and register it under "mcpServers" in your client's MCP configuration — for example claude_desktop_config.json or Cursor's mcp.json — then restart the client.

Is alpaca-guard open source?

Yes — the source code is public at github.com/evidai/agent-payment-mcp, with 2 GitHub stars.

Can AI agents pay to use alpaca-guard?

Not yet through Loomal — alpaca-guard is listed as a free directory entry. If its maintainer verifies ownership, they can set per-call USDC pricing that agents pay over x402, with settlement on Base.