Alpaca MCP Server vs PayPal MCP Server

A side-by-side comparison of two Finance & Payments servers — tools, transport, auth, maintenance, and copy-paste config for each.

	Alpaca MCP Server Alpaca's official trading server for stocks, ETFs, options, and crypto in plain English. Verified stdio (local) API key Python	PayPal MCP Server Official PayPal server for invoices, orders, payments, disputes, subscriptions, and catalog. Verified stdio (local) API key TypeScript
Category	Finance & Payments	Finance & Payments
Language	Python	TypeScript
Transport	stdio (local)	stdio (local)
Auth	API key	API key
GitHub stars	820	250
Last commit	2 months ago	4 months ago
Verified
Actively maintained
Install	`uvx alpaca-mcp-server`	`npx -y @paypal/mcp --tools=all`
Repo	Open	Open

Verdict

Pick Alpaca MCP Server if you prefer the more popular, battle-tested option.

Pick PayPal MCP Server if you prefer its approach (official paypal server for invoices, orders, payments, disputes, subscriptions, and catalog).

Add Alpaca MCP Server

Install / run

uvx alpaca-mcp-server

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "alpaca-mcp-server": {
      "command": "uvx",
      "args": [
        "alpaca-mcp-server"
      ],
      "env": {
        "ALPACA_API_KEY": "<your-alpaca-api-key>",
        "ALPACA_SECRET_KEY": "<your-alpaca-secret-key>",
        "ALPACA_PAPER_TRADE": "true"
      }
    }
  }
}

Requires `uv` (the Python package runner). Install it from https://docs.astral.sh/uv/ if `uvx` is not found.

Add PayPal MCP Server

Install / run

npx -y @paypal/mcp --tools=all

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "paypal-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@paypal/mcp",
        "--tools=all"
      ],
      "env": {
        "PAYPAL_ACCESS_TOKEN": "<your-paypal-access-token>",
        "PAYPAL_ENVIRONMENT": "SANDBOX"
      }
    }
  }
}

FAQ

Alpaca MCP Server or PayPal MCP Server — which is better?

Pick Alpaca MCP Server if you prefer the more popular, battle-tested option. Pick PayPal MCP Server if you prefer its approach (official paypal server for invoices, orders, payments, disputes, subscriptions, and catalog).

Can I use both Alpaca MCP Server and PayPal MCP Server?

Yes — MCP clients let you enable multiple servers at once. Add both configs to your client's mcpServers and use whichever tool fits the task.

Do Alpaca MCP Server and PayPal MCP Server work with Claude, Cursor and Windsurf?

Both do. Copy the per-client config below into Claude Desktop, Cursor, or Windsurf.

View Alpaca MCP Server →View PayPal MCP Server →More comparisons →