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MahjongHandbook — American NMJL, MCR & Riichi Mahjong Scoring Rules Engine

Official registry Other

Query American NMJL, Chinese Official MCR (81 Fan) & Japanese Riichi Mahjong scoring rules.

Source code Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http mahjonghandbook-american-nmjl-mcr-riichi 'https://mahjonghandbook.com/api/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "mahjonghandbook-american-nmjl-mcr-riichi": {
            "type": "http",
            "url": "https://mahjonghandbook.com/api/mcp"
        }
    }
}

Frequently asked questions

What is MahjongHandbook — American NMJL, MCR & Riichi Mahjong Scoring Rules Engine?

Query American NMJL, Chinese Official MCR (81 Fan) & Japanese Riichi Mahjong scoring rules.

How do I install MahjongHandbook — American NMJL, MCR & Riichi Mahjong Scoring Rules Engine?

It runs as a remote server. In Claude Code: claude mcp add --transport http mahjonghandbook-american-nmjl-mcr-riichi 'https://mahjonghandbook.com/api/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does MahjongHandbook — American NMJL, MCR & Riichi Mahjong Scoring Rules Engine need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Is MahjongHandbook — American NMJL, MCR & Riichi Mahjong Scoring Rules Engine open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains MahjongHandbook — American NMJL, MCR & Riichi Mahjong Scoring Rules Engine?

It is published by bdodh22. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.