Yahoo Finance MCP Server

A Model Context Protocol (MCP) server that provides AI assistants with access to Yahoo Finance data via yfinance. Query stock information, financial news, sector rankings, and generate professional financial charts — all from your AI chat.

Features

• Stock Data — Company info, financials, valuation metrics, dividends, and trading data
• Financial Statements — Income statement and balance sheet with historical data (EBIT, Invested Capital, etc.)
• Financial News — Recent news articles and press releases for any ticker
• Search — Find stocks, ETFs, and news across Yahoo Finance
• Sector Rankings — Top ETFs, mutual funds, companies, growth leaders, and top performers by sector
• Price History — Historical OHLCV data as markdown tables or professional charts
• Chart Generation — Candlestick, VWAP, and volume profile charts returned as WebP images
• Options Data — Option chains with calls, puts, strike prices, IV, and expiration dates

Tools

yfinance_get_ticker_info

Retrieve comprehensive stock data including company info, financials, trading metrics, and governance data.

Returns: JSON object with company details, price data, valuation metrics, trading info, dividends, financials, and performance indicators.

yfinance_get_ticker_news

Fetch recent news articles and press releases for a specific stock.

Returns: JSON array of news items with title, summary, publication date, provider, URL, and thumbnail.

yfinance_search

Search Yahoo Finance for stocks, ETFs, and news articles.

Returns: Matching quotes and/or news results depending on search_type.

yfinance_get_top

Get top-ranked financial entities within a market sector.

Returns: JSON array of top entities with relevant metrics.

Supported Sectors

Basic Materials, Communication Services, Consumer Cyclical, Consumer Defensive, Energy, Financial Services, Healthcare, Industrials, Real Estate, Technology, Utilities

yfinance_get_price_history

Fetch historical price data and optionally generate technical analysis charts.

Chart types:

Returns:

• Without chart_type: Markdown table with Date, Open, High, Low, Close, Volume, Dividends, and Stock Splits columns.
• With chart_type: Base64-encoded WebP image for efficient token usage.

yfinance_get_financials

Fetch financial statements (income statement, balance sheet, and cash flow) with historical data.

Returns: JSON object with income statement, balance sheet, and cash flow data for each reporting period.

• Income Statement fields: EBIT, Net Income, Tax Provision, Pretax Income, Interest Expense, Total Revenue, Operating Income, EBITDA, Normalized Income
• Balance Sheet fields: Stockholders Equity, Total Debt, Cash And Cash Equivalents, Invested Capital, Net Debt, Total Assets, Total Liabilities Net Minority Interest, Net Tangible Assets, Tangible Book Value
• Cash Flow fields: Operating Cash Flow, Free Cash Flow, Capital Expenditure, Net Income From Continuing Operations, Depreciation And Amortization, Change In Working Capital, Cash Dividends Paid

yfinance_get_option_dates

Fetch available option expiration dates for a stock.

Returns: JSON array of expiration dates in YYYY-MM-DD format.

yfinance_get_option_chain

Fetch option chain data (calls and puts) for a stock with available strike prices.

Returns: JSON object keyed by expiration date, with calls and/or puts data including:

• contractSymbol: Option contract identifier
• strike: Strike price
• lastPrice: Last traded price
• bid/ask: Bid and ask prices
• volume: Trading volume
• openInterest: Open interest
• impliedVolatility: IV
• inTheMoney: Whether option is ITM
• contractSize: Contract size (REGULAR)
• currency: Currency (USD)

Usage

Via uv (recommended)

1. Install uv

2. Add the following to your MCP client configuration:

{
  "mcpServers": {
    "yfmcp": {
      "command": "uvx",
      "args": ["yfmcp@latest"]
    }
  }
}

Via Docker

{
  "mcpServers": {
    "yfmcp": {
      "command": "docker",
      "args": ["run", "-i", "--rm", "narumi/yfinance-mcp"]
    }
  }
}

From Source

1. Clone the repository and install dependencies:

git clone https://github.com/narumiruna/yfinance-mcp.git
cd yfinance-mcp
uv sync

2. Add the following to your MCP client configuration:

{
  "mcpServers": {
    "yfmcp": {
      "command": "uv",
      "args": [
        "run",
        "--directory",
        "/path/to/yfinance-mcp",
        "yfmcp"
      ]
    }
  }
}

Replace /path/to/yfinance-mcp with the actual path to your cloned repository.

Development

Prerequisites

• Python ≥ 3.12
• uv package manager

Setup

uv sync --extra dev

Lint & Format

uv run ruff check .
uv run ruff format .

Type Check

uv run ty check src tests

Test

uv run pytest -v -s --cov=src tests

Demo Chatbot

See the demo chatbot in its dedicated repository: yfinance-mcp-demo

Contributors

Made with contrib.rocks.

License

This project is licensed under the MIT License.