mcp · GitHub

yfinance MCP

An actively released MCP wrapper for Yahoo Finance data, news, screeners and charts.

86VF score
Maintainer
narumiruna
Market coverage
Global
GitHub stars
167
Updated
2026-07
Best for

Users who want a low-friction market-data MCP for prototyping and personal research.

Implementation statusGuide reviewed · 2026-07
Implementation status

mcp

Expected result

Very active July 2026 maintenance

Known failure mode

Yahoo Finance access is unofficial

Compatibility

Global

Why it stands out

  • Very active July 2026 maintenance
  • 44 tagged releases
  • Straightforward MCP configuration

Risks and limitations

  • Yahoo Finance access is unofficial
  • Not suitable as a contractual production feed

Examples and expected outcomes

Example 1

Fetch prices and statements in agent chat

  • Sourced evidence
  • Repeatable steps
  • Explicit uncertainty
Example 2

Create a read-only research brief

  • Sourced evidence
  • Repeatable steps
  • Explicit uncertainty
Example 3

Compare tickers with source timestamps

  • Sourced evidence
  • Repeatable steps
  • Explicit uncertainty

Access requirements

Keys and runtime

No API key

License and data rights

MIT server; Yahoo Finance data terms still apply

Rate limits

Unofficial endpoint: use caching, backoff and low concurrency

Connect to your Agent

Claude config
{
  "mcpServers": {
    "yfinance-mcp-review": {
      "command": "uvx",
      "args": [
        "yfmcp"
      ]
    }
  }
}
Prompt example

“Use yfinance MCP to research AAPL. List sources and timestamps first, then separate facts, calculations, risks and missing data. Do not give personalized trading advice.”

When not to use it

  • Yahoo Finance access is unofficial
  • Not suitable as a contractual production feed
Installation

yfinance MCP

Terminal
uvx yfmcp

Before you install

Review the current license and source code, pin a version, keep credentials out of prompts, and start with read-only permissions.

Project-specific questions

What can yfinance MCP do in a real workflow?

Very active July 2026 maintenance 44 tagged releases Straightforward MCP configuration

What access and compatibility does yfinance MCP require?

· Global

What is the main implementation risk with yfinance MCP?

Yahoo Finance access is unofficial Not suitable as a contractual production feed