J-Quants Free MCP server

Model Context Protocol (MCP) サーバーで、無償版J-Quants APIのにアクセスするための機能を提供します。

Local serverstdio

What is the J-Quants Free MCP server?

J-Quants Free MCP server is an MCP project maintained in the cygkichi/jquants-free-mcp-server repository. The maintainer describes its purpose as “Model Context Protocol (MCP) サーバーで、無償版J-Quants APIのにアクセスするための機能を提供します。”. Read the project documentation for the complete scope.

Local setup

The project provides a local client configuration using uv. Follow the repository’s build and installation steps before copying it, and replace example paths with the paths on your own computer.

Configuration values

The example declares JQUANTS_ID_TOKEN. Secret-looking values have been replaced with placeholders. Required and optional labels are shown only when the documentation states them.

Source

Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.

How to install the J-Quants Free MCP server

{
  "mcpServers": {
    "e-stat": {
      "command": "uv",
      "args": [
        "--directory",
        "/path/to/jquants-free-mcp-server",
        "run",
        "server.py"
      ],
      "env": {
        "JQUANTS_ID_TOKEN": "YOUR_JQUANTS_ID_TOKEN"
      }
    }
  }
}

From the project documentation. Replace placeholders and example paths before connecting.