LocalFree

J-Quants MCP server

shigechika/jquants-mcp

MCP server for retrieving Japanese stock market data via J-Quants API v2

3 GitHub stars2 forks
Source code

Install J-Quants in Claude Code

Claude Code
claude mcp add j-quants -- uvx jquants-mcp
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "j-quants": {
      "command": "uvx",
      "args": [
        "jquants-mcp"
      ]
    }
  }
}

Frequently asked questions

What does the J-Quants MCP server do?

MCP server for retrieving Japanese stock market data via J-Quants API v2

Is the J-Quants MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does J-Quants run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add J-Quants to Claude Code?

Run: claude mcp add j-quants -- uvx jquants-mcp

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