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Yahoo Finance MCP

Community (yfinance Python library)

CommunityRead-OnlyBeginner
claudechatgptcursorgeminiwindsurf
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Security Notice

No API key required — lowest setup friction in the category. Community-maintained server using yfinance Python library. Important: yfinance scrapes Yahoo Finance — it has no official SLA and has broken without warning when Yahoo changed its website. Do not use for production financial workflows where reliability is critical. Options data lacks calculated Greeks. Financial statement data occasionally inconsistent between endpoints.

Yahoo Finance MCP is the easiest free market data server to install — no API key required, works immediately. Best for prototyping, learning, and occasional research. Not recommended for production agent workflows due to reliability issues — the underlying yfinance library scrapes Yahoo Finance and can break without warning. For production use, upgrade to Alpha Vantage or Financial Modeling Prep.

About Yahoo Finance MCP

The Yahoo Finance MCP server is the easiest entry point into financial market data for AI agents — it requires no API key, costs nothing, and installs in minutes. It wraps the popular yfinance Python library to expose stock prices, historical OHLCV data, basic financial statements, options chains, news, and analyst recommendations. For developers prototyping financial AI tools or individuals doing occasional research, it is the natural starting point. However it comes with a significant production caveat: yfinance is a web scraping library, not a licensed data feed. Yahoo Finance data occasionally has gaps, prices can lag, and the unofficial API has broken without warning when Yahoo changed its website. For production agent workflows, Alpha Vantage or Financial Modeling Prep provide the reliability and SLA guarantees that Yahoo Finance cannot.

Use Cases

  • Quick stock price lookups and basic portfolio checks without an API subscription
  • Historical price analysis for backtesting and trend research
  • Basic fundamental data for individual company research at no cost
  • News monitoring for portfolio holdings
  • Educational finance projects and prototyping before committing to a paid data provider

Available Tools

get_stock_info

company profile, price, market cap

get_historical_prices

OHLCV up to 5 years

get_financials

income statement, balance sheet, cash flow from Yahoo Finance

get_options

options chain data without Greeks

get_news

recent news articles for a ticker

get_recommendations

analyst buy, sell, hold ratings

get_institutional_holders

major institutional shareholders

Pricing

FreeFree

Completely free — no API key required. Uses yfinance Python library which scrapes Yahoo Finance. No official SLA — can break without warning if Yahoo changes its site structure.

Technical Details

Install Method

pip, docker

Compatible Clients

claude, chatgpt, cursor, gemini, windsurf

Access Type

Read-Only

Target Audience

personal, smb

Available Regions

global

Release Status

GA

Last Updated

2026-07-01

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