What API credentials are needed?
You need an Alpaca API Key ID and Secret Key, plus a base URL for either paper trading (`https://paper-api.alpaca.markets`) or live trading (`https://api.alpaca.markets`). These are set as environment variables.
Alpaca MCP Server
@jwaresolutions
Basic information
About Alpaca MCP Server
No overview available yet
Alpaca MCP Server config
Add this server to your MCP-compatible client using the configuration below.
{
"mcpServers": {
"alpaca": {
"command": "node",
"args": [
"/path/to/alpaca-server/build/index.js"
],
"env": {
"ALPACA_API_KEY": "",
"ALPACA_SECRET_KEY": "",
"ALPACA_BASE_URL": ""
}
}
}
}Alpaca MCP Server tools
Tool list not available yet
This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.
We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.
Overview
What is Alpaca MCP Server?
Alpaca MCP Server is a Model Context Protocol (MCP) server that provides seamless integration between the Alpaca Trading API and AI assistants or development tools. It allows users to manage trading accounts, view positions, get market data, and handle orders through MCP-compatible interfaces like Claude Desktop or Cline/Claude Dev Tools.
How to use Alpaca MCP Server?
Install the alpaca-trade-api Python package, clone the repository, and set environment variables for your Alpaca API credentials (APCA_API_KEY_ID, APCA_API_SECRET_KEY, APCA_API_BASE_URL). Configure the MCP client (e.g., Cline or Claude Desktop) by adding a JSON entry pointing to the alpaca_mcp_server.py script with the required environment variables. Run the server with python alpaca_mcp_server.py to make tools available.
Key features of Alpaca MCP Server
- Real-time account details, buying power, equity, and status
- Portfolio management with position-level P&L tracking
- Live stock quotes showing bid/ask prices and spreads
- Order listing with status, type, and fill details
- Built-in paper trading support for safe testing
- Compatible with live trading (use with caution)
Use cases of Alpaca MCP Server
- AI-assisted portfolio review and account status checks
- Automated market data retrieval for analysis
- Monitoring open and recent orders through natural language
- Paper trading strategy tests before going live
Frequently asked questions
How do I switch between paper and live trading?
Change the `APCA_API_BASE_URL` environment variable: use `https://paper-api.alpaca.markets` for paper trading or `https://api.alpaca.markets` for live trading. The server defaults to paper trading for safety.
What tools are provided?
Four tools: `get_account` (account details), `get_positions` (current holdings with P&L), `get_quote` (real-time quote for a symbol), and `get_orders` (list recent orders with optional status/limit filters). All are listed by calling `tools/list`.
What are the known transport or authentication methods?
The server uses environment variables for authentication (`APCA_API_KEY_ID`, `APCA_API_SECRET_KEY`). Communication follows the MCP protocol over standard input/output; tested on Apple Silicon M1 Pro laptops running macOS.
How do I troubleshoot common issues?
Ensure environment variable names match exactly (`APCA_API_KEY_ID`, `APCA_API_SECRET_KEY`, `APCA_API_BASE_URL`). Verify internet connectivity and valid API keys. Install dependencies with `pip install alpaca-trade-api`. Test manually using JSON-RPC: `echo '{"jsonrpc":"2.0","id":1,"method":"tools/list"}' | python alpaca_mcp_server.py`.
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