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

com.mahjonghandbook/mcp

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

client:VS Code transport:streamable-http tools:1

Install MahjongHandbook — American NMJL, MCR & Riichi Mahjong Scoring Rules Engine in VS Code

.vscode/mcp.json

{
  "servers": {
    "mcp": {
      "type": "http",
      "url": "https://mahjonghandbook.com/api/mcp"
    }
  }
}

Requires agent mode. MCP: Open User Configuration puts the same block in every workspace. VS Code docs