J-Quants Free MCP server
@cygkichi
About J-Quants Free MCP server
J-Quants APIの無償版で利用可能な機能のMCPサーバー
Config
Add this server to your MCP-compatible client using the configuration below.
{
"mcpServers": {
"e-stat": {
"command": "uv",
"args": [
"--directory",
"/path/to/jquants-free-mcp-server",
"run",
"server.py"
],
"env": {
"JQUANTS_ID_TOKEN": "YOUR_JQUANTS_ID_TOKEN"
}
}
}
}Tools
No tools detected
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Overview
What is J-Quants Free MCP server?
A Model Context Protocol server that provides access to the free version of the J-Quants API, enabling retrieval of Japanese stock data and financial statements.
How to use J-Quants Free MCP server?
Register at J-Quants API to obtain an ID token, then set the JQUANTS_ID_TOKEN environment variable. Configure your MCP client (e.g., Claude Desktop) with the server path and that environment variable.
Key features of J-Quants Free MCP server
search_company: Search listed companies by Japanese text.get_daily_quotes: Fetch daily stock prices by company code.get_financial_statements: Retrieve financial statements by company code.- No paid subscription required for the underlying API.
Use cases of J-Quants Free MCP server
- Compare financial ratios (e.g., equity ratio) of multiple companies.
- Obtain balance sheets and create charts from financial data.
- Automate daily stock price lookups for a watchlist.
- Integrate Japanese equity data into an AI assistant's analysis.
FAQ from J-Quants Free MCP server
What tools does the server provide?
Three tools: search_company (text search), get_daily_quotes (daily prices), and get_financial_statements (financial statements).
How do I obtain and set the required token?
Register at J-Quants API, get your ID token, and set it as the environment variable JQUANTS_ID_TOKEN.
Can I use the server without a J-Quants API registration?
No, registration and an active ID token are mandatory.
What license applies to this project?
The project is distributed under the MIT License; see the LICENSE file.
What runtime or dependencies are needed?
The server runs with Python (via uv or uvx) and expects the JQUANTS_ID_TOKEN environment variable to be set.
Frequently asked questions
What tools does the server provide?
Three tools: `search_company` (text search), `get_daily_quotes` (daily prices), and `get_financial_statements` (financial statements).
How do I obtain and set the required token?
Register at J-Quants API, get your ID token, and set it as the environment variable `JQUANTS_ID_TOKEN`.
Can I use the server without a J-Quants API registration?
No, registration and an active ID token are mandatory.
What license applies to this project?
The project is distributed under the MIT License; see the LICENSE file.
What runtime or dependencies are needed?
The server runs with Python (via `uv` or `uvx`) and expects the `JQUANTS_ID_TOKEN` environment variable to be set.
Basic information
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