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MCP Yfinance

@nicholasf

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基本情報

カテゴリ

その他

トランスポート

stdio

作者

nicholasf

MCP Yfinance について

An MCP tool wrapping a common yFinance Ticker history call.

MCP Yfinance の設定

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このサーバーの README には解析可能な MCP 設定ブロックが含まれていません。インストール手順はリポジトリをご確認ください。

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MCP Yfinance のツール

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ツールは README から自動的に抽出されます。メンテナーは ## Tools という見出しの下に記載することで、このタブに反映できます。

概要

What is Mcp Yfinance?

Mcp Yfinance is a simple wrapper around the classic yFinance library that operates as an MCP (Model Context Protocol) tool. It is designed to fetch daily stock prices for individual instruments and returns a Pandas DataFrame to the MCP host, so the host must be able to understand DataFrames. The tool is meant as a demo, starting point, or proof of concept.

How to use Mcp Yfinance?

Register Mcp Yfinance as a command-line extension in your MCP host. For example, in Goose, run goose configure and add an extension with the command uv run server.py. Then start a session with goose session -n yf and invoke the tool with a command like yf__history AAPL. Tests can be run with pytest -v.

Key features of Mcp Yfinance

  • Wraps the yFinance library for financial data.
  • Operates as an MCP tool with a simple interface.
  • Returns historical stock data as a Pandas DataFrame.
  • Supports fetching daily prices for individual instruments.
  • Designed as a demo or proof of concept.

Use cases of Mcp Yfinance

  • Fetching daily stock history for a single ticker symbol.
  • Integrating basic financial data retrieval into an MCP‑based agent workflow.
  • Demonstrating how to wrap an external Python library as an MCP tool.

よくある質問

1

What does Mcp Yfinance return?

It returns a Pandas DataFrame containing historical stock data (Open, High, Low, Close, Volume, Dividends, Stock Splits) to the MCP host. The host must be able to interpret DataFrames.

2

Which MCP host was this tested with?

It was written using Goose as the MCP host and Claude Sonnet 3.5 as the integrated LLM.

3

What are the limitations of Mcp Yfinance?

When asking the LLM to perform more advanced aggregations, token limits from Anthropic can be quickly reached. The tool is intended as a demo or proof of concept, not for production use.

4

How do I install Mcp Yfinance?

Register it as a command-line extension in your MCP host. For Goose, you configure it with the command `uv run server.py` and set a timeout (e.g., 5 seconds). No additional environment variables are needed.

5

Does Mcp Yfinance require any special dependencies?

It depends on the yFinance library and runs via `uv run server.py`. Standard Python tooling (pytest, uv) is used.

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