Alpaca MCP Server

Name: Alpaca MCP Server
Author: idsts2670

@idsts2670

Repository

About Alpaca MCP Server

No overview available yet

Basic information

Config

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

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

Tools

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Overview

What is Alpaca MCP Server?

An MCP server implementation for Alpaca's Trading API that enables LLMs (like Claude Desktop, Cursor, or VS Code) to interact with Alpaca's trading infrastructure using natural language. It supports stock and options trading, portfolio management, watchlists, and real-time market data.

How to use Alpaca MCP Server?

Install Python 3.10+, clone the repo, and install dependencies (mcp, alpaca-py, python-dotenv). Configure Alpaca API keys in a .env file or Claude Desktop config, then run python alpaca_mcp_server.py. Configure compatible MCP clients such as Claude Desktop via claude_desktop_config.json.

Key features of Alpaca MCP Server

Real-time and historical stock market data
Account balances, positions, and portfolio overview
Place and cancel stock and option orders (market, limit, stop, trailing)
Options trading with multi-leg strategies and Greeks
Watchlist creation, update, and retrieval
Market status, calendar, and corporate announcements

Use cases of Alpaca MCP Server

Natural language stock trading and portfolio management
Options strategy execution and Greeks analysis
Real-time market data queries and historical price lookups
Watchlist and asset research for investment tracking
Combined multi-step workflows (e.g., check market clock then place order)

FAQ from Alpaca MCP Server

What dependencies are required to run the server?

Python 3.10+ and the packages mcp, alpaca-py, and python-dotenv.

How do I switch from paper trading to live trading?

Update both your claude_desktop_config.json environment variables and your .env file with live Alpaca API keys, and set PAPER = False in the .env file.

Can I place complex options trades?

Yes, the server supports multi-leg option orders (e.g., bull call spreads) via place_option_market_order and provides Greeks and snapshots.

Where are my API keys stored?

API keys are configured locally in a .env file or in the MCP client configuration JSON file. They are never sent to external services.

What transport or authentication does the server use?

The server uses the Model Context Protocol stdio transport and authenticates to Alpaca's REST API using standard API key/secret key pairs.

Comments

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