jquants-mcp

Access JPX stock market data via J-Quants API — search stocks, get daily OHLCV prices, financial summaries (revenue, profit, EPS, ROE), and earnings calendar for Tokyo Stock Exchange (TSE) listed companies. Japan stock price data.

3,891 stars

byopenclaw

View on GitHub Installation ↓

Best use case

jquants-mcp is best used when you need a repeatable AI agent workflow instead of a one-off prompt.

Teams using jquants-mcp should expect a more consistent output, faster repeated execution, less prompt rewriting.

When to use this skill

You want a reusable workflow that can be run more than once with consistent structure.

When not to use this skill

You only need a quick one-off answer and do not need a reusable workflow.
You cannot install or maintain the underlying files, dependencies, or repository context.

Installation

Claude Code / Cursor / Codex

$curl -o ~/.claude/skills/jquants-mcp/SKILL.md --create-dirs "https://raw.githubusercontent.com/openclaw/skills/main/skills/ajtgjmdjp/jquants-mcp/SKILL.md"

Manual Installation

Download SKILL.md from GitHub
Place it in .claude/skills/jquants-mcp/SKILL.md inside your project
Restart your AI agent — it will auto-discover the skill

How jquants-mcp Compares

Feature / Agent	jquants-mcp	Standard Approach
Platform Support	Not specified	Limited / Varies
Context Awareness	High	Baseline
Installation Complexity	Unknown	N/A

Frequently Asked Questions

What does this skill do?

Where can I find the source code?

You can find the source code on GitHub using the link provided at the top of the page.

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SKILL.md Source

# J-Quants: JPX Stock Market Data

Access Tokyo Stock Exchange (TSE) listed stock data via the official J-Quants API. Search stocks, get daily OHLCV prices, financial summaries, and earnings announcement calendar.

**Important: This tool is for personal use only.** Data redistribution is prohibited by J-Quants Terms of Service. https://jpx-jquants.com/termsofservice

## Use Cases

- Search for TSE-listed stocks by code or company name
- Get daily OHLCV price data for any stock
- Retrieve financial summaries (revenue, profit, EPS, ROE)
- Check upcoming earnings announcement dates
- Compare financial metrics across companies

## Commands

### Search stocks
```bash
# By stock code
jquants-mcp search 7203

# By company name (Japanese)
jquants-mcp search トヨタ

# JSON output
jquants-mcp search ソニー --json-output
```

### Get stock prices
```bash
# Default: last 30 days
jquants-mcp price 7203

# With date range
jquants-mcp price 7203 --start-date 2024-01-01 --end-date 2024-12-31

# JSON output
jquants-mcp price 7203 --json-output
```

### Get financial data
```bash
jquants-mcp financials 7203
jquants-mcp financials 6758 --json-output
```

### Get earnings calendar
```bash
# Default: next 30 days
jquants-mcp calendar

# With date range
jquants-mcp calendar --start-date 2024-04-01 --end-date 2024-06-30
```

### Test connectivity
```bash
jquants-mcp test
```

## Workflow

1. `jquants-mcp search <company>` → find stock code
2. `jquants-mcp price <code>` → get price history
3. `jquants-mcp financials <code>` → get financial data
4. `jquants-mcp calendar` → check earnings dates

## Setup

- Requires `JQUANTS_MAIL_ADDRESS` and `JQUANTS_PASSWORD` environment variables
- Free account registration: https://jpx-jquants.com/
- Python package: `pip install jquants-mcp` or `uv tool install jquants-mcp`

## Terms of Service

By using this tool, you agree to the J-Quants Terms of Service.
Data is for personal use only — redistribution is prohibited.

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