J-Quants FAQs

Question 1

What is J-Quants MCP?

Accepted Answer

J-Quants MCP (Model Context Protocol) is a server that provides easy access to official Japanese stock market data directly from the J-Quants API. It's designed for data scientists and ML engineers working with financial data.

Question 2

What types of Japanese stock market data can I access?

Accepted Answer

You can retrieve a variety of official data, including daily OHLCV (Open, High, Low, Close, Volume) stock prices, comprehensive financial summaries for companies, and earnings announcement calendars.

Question 3

How do I authenticate with the J-Quants API using this tool?

Accepted Answer

Authentication is managed via environment variables. You need to set your J-Quants mail address and password as `JQUANTS_MAIL_ADDRESS` and `JQUANTS_PASSWORD` respectively in your environment.

Question 4

Is J-Quants MCP suitable for commercial use or data redistribution?

Accepted Answer

No, this tool is explicitly for personal use only. The J-Quants Terms of Service prohibit data redistribution. Each user must utilize their own unique API credentials.

Question 5

What are the core features of J-Quants MCP?

Accepted Answer

Key features include searching for stocks by code or name, retrieving daily OHLCV stock prices for specific periods, obtaining financial summaries, and accessing earnings announcement calendars, all through a convenient Model Context Protocol server.

J-Quants

J-Quants

About

Key Features

Use Cases

About

Key Features

Use Cases