Yahoo Finance MCP (yahoo_fin)
Yahoo Finance MCP server using the yahoo_fin Python library — fetching stock quotes, historical prices, financial statements, earnings data, and options chains from Yahoo Finance, integrating financial market data into agent-driven investment research and financial analysis workflows.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
Public data scraping. No credentials. Community MCP. Respect ToS.
⚡ Reliability
Best When
An agent needs comprehensive Yahoo Finance data via yahoo_fin — including financial statements, options chains, and earnings data alongside price history.
Avoid When
You're already using mcp-yfinance-server (yfinance) — they provide similar Yahoo Finance data; use one consistently.
Use Cases
- • Fetching current stock prices and quotes from investment research agents
- • Retrieving historical stock price data for analysis from backtesting agents
- • Getting company income statements and balance sheets from fundamental analysis agents
- • Accessing options chain data from derivatives research agents
- • Monitoring earnings dates and estimates from portfolio management agents
- • Building financial analysis tools from BI agents
Not For
- • High-frequency or real-time trading data (yahoo_fin has delays)
- • Teams already using mcp-yfinance-server (similar functionality; pick one)
- • Production trading systems requiring reliable data feeds
Interface
Authentication
No authentication required — yahoo_fin scrapes Yahoo Finance data. No API key needed. Subject to Yahoo Finance rate limits and ToS.
Pricing
yahoo_fin is free open source. Yahoo Finance data is free for personal use. MCP server is free.
Agent Metadata
Known Gotchas
- ⚠ yahoo_fin may break when Yahoo Finance updates its page structure — happens regularly
- ⚠ Data for international stocks is less reliable than US stocks
- ⚠ Not suitable for production systems — scraping is fragile
- ⚠ Consider mcp-yfinance-server (yfinance library) as alternative — similar but different library
- ⚠ Community MCP — individual contributor; depends on yahoo_fin library maintenance
- ⚠ Yahoo Finance ToS: automated access is technically against ToS for commercial use
Alternatives
Full Evaluation Report
Detailed scoring breakdown, competitive positioning, security analysis, and improvement recommendations for Yahoo Finance MCP (yahoo_fin).
Scores are editorial opinions as of 2026-03-06.