MCP server

Alpaca MCP Server

Place trades and read portfolio state on Alpaca from an MCP client.

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Official

Install

uvx alpaca-mcp-server

mcpServers

{
  "mcpServers": {
    "alpaca-mcp": {
      "command": "uvx",
      "args": [
        "alpaca-mcp-server"
      ]
    }
  }
}

Transport: stdio
Runtime: Python
Auth: Required
License: MIT

Tools

get_account_infoplace_stock_orderplace_option_orderget_all_positionsclose_positionget_portfolio_history

Tools cover the brokerage end to end: account balances and margin status, order placement for stocks, options and crypto, position management including closing or exercising, watchlists, and portfolio history. Version 2 is a rewrite on FastMCP with schemas generated from Alpaca's OpenAPI specs, so tool names and parameters differ from the first release. Credentials go in the MCP client config as environment variables, and paper trading keys work the same way as live ones. An ALPACA_TOOLSETS variable restricts which capability groups get registered.

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