Plaid Sandbox MCP (Python) vs Alpaca MCP Server

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

	Plaid Sandbox MCP (Python) Plaid's local MCP server to generate mock financial data and exercise sandbox APIs. Verified stdio (local) API key Python	Alpaca MCP Server Alpaca's official trading server for stocks, ETFs, options, and crypto in plain English. Verified stdio (local) API key Python
Category	Finance & Payments	Finance & Payments
Language	Python	Python
Transport	stdio (local)	stdio (local)
Auth	API key	API key
GitHub stars	120	820
Last commit	3 months ago	28 days ago
Verified
Actively maintained
Install	`uvx mcp-server-plaid --client-id <your-plaid-client-id> --secret <your-plaid-sandbox-secret>`	`uvx alpaca-mcp-server`
Repo	Open	Open

Verdict

Pick Plaid Sandbox MCP (Python) if you prefer its approach (plaid's local mcp server to generate mock financial data and exercise sandbox apis).

Pick Alpaca MCP Server if you prefer the more popular, battle-tested option, and you need the broadest set of tools.

Add Plaid Sandbox MCP (Python)

Install / run

uvx mcp-server-plaid --client-id <your-plaid-client-id> --secret <your-plaid-sandbox-secret>

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

{
  "mcpServers": {
    "plaid-sandbox-mcp-python": {
      "command": "uvx",
      "args": [
        "mcp-server-plaid",
        "--client-id",
        "<your-plaid-client-id>",
        "--secret",
        "<your-plaid-sandbox-secret>"
      ]
    }
  }
}

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

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.

FAQ

Plaid Sandbox MCP (Python) or Alpaca MCP Server — which is better?

Pick Plaid Sandbox MCP (Python) if you prefer its approach (plaid's local mcp server to generate mock financial data and exercise sandbox apis). Pick Alpaca MCP Server if you prefer the more popular, battle-tested option, and you need the broadest set of tools.

Can I use both Plaid Sandbox MCP (Python) and Alpaca 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 Plaid Sandbox MCP (Python) and Alpaca MCP Server work with Claude, Cursor and Windsurf?

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

View Plaid Sandbox MCP (Python) →View Alpaca MCP Server →More comparisons →