Alpaca MCP Server

@MCP-Mirror

About Alpaca MCP Server

Mirror of

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "miguelyad26_alpaca-mcp-server": {
      "command": "python",
      "args": [
        "alpaca_mcp_server.py"
      ]
    }
  }
}

Tools

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Overview

What is Alpaca MCP Server?

Alpaca MCP Server is a Model Context Protocol server for Alpaca, enabling LLMs like Claude to interact with the Alpaca trading API through natural language. It allows trading stocks, checking positions, fetching market data, and managing account details.

How to use Alpaca MCP Server?

Requires Python 3.10+, Alpaca API keys, and an MCP client such as Claude for Desktop. Clone the repository, install dependencies (mcp, alpaca-py, python-dotenv), create a .env file with credentials, and run python alpaca_mcp_server.py. Configure Claude for Desktop by adding the server to claude_desktop_config.json with the appropriate command, arguments, and environment variables. The server uses Alpaca’s paper trading by default; for live trading change paper=True to paper=False in the TradingClient initialization.

Key features of Alpaca MCP Server

Access Alpaca SDK documentation
Get real-time stock quotes and historical price data
Check account balances, buying power, and status
View current positions and their performance
Place market and limit orders via natural language
List, track, and cancel orders

Use cases of Alpaca MCP Server

Check account balance and buying power
View current positions and their performance
Get the latest stock quote for a symbol
Show historical price bars for a stock (e.g., last 10 days)
Buy or sell shares at market or with a limit price
Cancel all open orders or close all positions

FAQ from Alpaca MCP Server

What are the prerequisites for using Alpaca MCP Server?

Python 3.10 or higher, valid Alpaca API keys, and an MCP client like Claude for Desktop.

How do I configure Claude for Desktop to use this server?

Add the server configuration to claude_desktop_config.json with the command (python), arguments (path to alpaca_mcp_server.py), and environment variables for API_KEY_ID and API_SECRET_KEY.

Does the server use paper trading or real money?

By default it uses Alpaca’s paper trading environment. To trade with real money, change paper=True to paper=False in the TradingClient initialization.

What trading tools are available?

The server exposes nine tools: get_account_info, get_positions, get_stock_quote, get_stock_bars, get_orders, place_market_order, place_limit_order, cancel_all_orders, and close_all_positions.

What security considerations should I be aware of?

The MCP server has access to your Alpaca account and can place real trades. Always review what Claude suggests before approving any trades.

Frequently asked questions

What are the prerequisites for using Alpaca MCP Server?

Python 3.10 or higher, valid Alpaca API keys, and an MCP client like Claude for Desktop.

How do I configure Claude for Desktop to use this server?

Add the server configuration to `claude_desktop_config.json` with the command (`python`), arguments (path to `alpaca_mcp_server.py`), and environment variables for `API_KEY_ID` and `API_SECRET_KEY`.

Does the server use paper trading or real money?

By default it uses Alpaca’s paper trading environment. To trade with real money, change `paper=True` to `paper=False` in the `TradingClient` initialization.

What trading tools are available?

The server exposes nine tools: `get_account_info`, `get_positions`, `get_stock_quote`, `get_stock_bars`, `get_orders`, `place_market_order`, `place_limit_order`, `cancel_all_orders`, and `close_all_positions`.

What security considerations should I be aware of?

The MCP server has access to your Alpaca account and can place real trades. Always review what Claude suggests before approving any trades.

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