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MCP server · Developer Tools

Yfinance

by · github.com/9nate-drake/mcp-yfinance

MCP Server for fething yfinance financial data into Claude Desktop

Unclaimed last commit a year ago financial-datafix-yahoo-financemarket-datapandaspythonstock-datayahoo-financeyahoo-finance-api
InstallView source
64Good

Scored 2 months ago · breakdown

About Yfinance

Yfinance is an MCP server published by 9nate-drake in the Developer Tools category: mCP Server for fething yfinance financial data into Claude Desktop.

The repository has 20 stars and 5 forks, with the last commit a year ago. Six months or more without a commit doesn't mean the server is broken, but check the open issues before depending on it in production.

Install

From source
git clone https://github.com/9nate-drake/mcp-yfinance

This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.

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Security checks

Static checks derived from the repository just now. Heuristics on the source, not an audit.

  • ✓README presentThe repository ships documentation.
  • !License declaredNo license file. Legally you have no right to use it in a product.
  • !Tests presentNo tests found. Behaviour changes may go unnoticed between versions.
  • !Dependencies pinnedNo lockfile. Installs can pull different code over time.
  • ✓No dynamic code executionSource scan found no eval, dynamic Function, or shell execution.
  • !Scoped permissionsDoesn't declare a permission scope. Assume it can do anything its process can.

README

yfinance MCP Server

A Model Context Protocol server that provides financial data to Claude Desktop using yfinance (Yahoo Finance api). Most code created by Claude.

Installation

Requirements

  • Python 3.10 or higher
  • Claude Desktop

Install

  1. Clone this repo:
git clone https://github.com/9nate-drake/mcp-yfinance
  1. Install required packages:
pip install mcp yfinance

Configuration

Add to your Claude Desktop config file claude_desktop_config.json (on Windows this is usually at %APPDATA%/Claude/):

{
  "mcpServers": {
    "yfinance": {
      "command": "python",
      "args": [
        "/path/to/finance_server/server.py"
      ]
    }
  }
}

Replace the path with the actual full path to your server.py file.

Usage

  1. Restart Claude Desktop
  2. Look for the yfinance server in the 🔌 menu
  3. Example queries:
    • Get current stock price: "Get me the current stock price for MSFT"
    • Get historical data: "Analyse the last 3 months of Apple stock performance"
    • Check ownership: "What's the intsitutional ownership of Nvidia?"
    • Check analyst targets: "What's the median price target for TSLA?"

Development

To modify the server:

  1. Edit server.py directly
  2. Restart Claude Desktop to apply changes

TODO

* Add complete range of yfinance functions

  • Check compliance with anthropic recommended practice for mcp servers

README fetched from the repository just now. The original is authoritative.

Questions

About Yfinance

How do I install Yfinance?

No package has been published for this server, so install it from source: clone the repository and follow its README.

Is Yfinance safe to use with an AI agent?

Its trust score is 64 out of 100 (good). It passes 2 of the 6 static security checks run so far; the failures are listed above. It has no ConduID identity yet, so agent calls to it are not receipted.

Is Yfinance still maintained?

The last commit was a year ago and 3 open issues. That's long enough that you should check whether the maintainer is responding to issues before depending on it.