MCP Yahoo Finance Server

An MCP server that provides access to Yahoo Finance data through two tools:

1. get-historical-data: Fetch historical price data for a stock
2. get-quote: Get current stock quote information

Installation

npm install
npm run build

Usage

You can run the server directly:

npm start

Or use it with Claude for Desktop by adding this to your claude_desktop_config.json:

{
  "mcpServers": {
    "yahoo-finance": {
      "command": "node",
      "args": ["/ABSOLUTE/PATH/TO/build/index.js"]
    }
  }
}

Tools

get-historical-data

Fetches historical price data for a stock symbol.

Parameters:

• symbol: Stock symbol (e.g. AAPL)
• from: Start date (YYYY-MM-DD)
• to: End date (YYYY-MM-DD)
• period: (Optional) Period - 'd' (daily), 'w' (weekly), 'm' (monthly), 'v' (dividends only)

get-quote

Gets current quote information for a stock symbol.

Parameters:

• symbol: Stock symbol (e.g. AAPL)
• modules: (Optional) Array of quote modules to fetch (e.g. ['price', 'summaryDetail'])