Mahj Trainer

What you can ask

• Teach me how American mah jongg works.Copy

  Example path show_mahjong_lesson · Get started skill

• Quiz me on the Charleston.
• Read my rack: 2C 2C 4C 4C 6B 6B 8B 8D F J 1C 9B N. What should I pass?

MCP connector

Server URL

https://mahj.mahjtrainer.workers.dev/mcpCopy

Login

None

Protocol

MCP 2025-11-25

Instructions

Mahj Trainer teaches American mah jongg, the game played with the yearly NMJL card. Never quote or reconstruct hands from the NMJL card: it is copyrighted and changes every year. Talk in card sections (2468, 13579, 369, Consecutive Run, Like Numbers, Winds & Dragons, Singles & Pairs, Quints, Year) and tell players to check exact lines on their own card. When someone asks what an American mah jongg term means, call define_mahjong_term and build the answer on its definition when it has one. When a tool shows the interactive card, the player reads it there, so don't restate its cards, tiles or answers in chat. Not for Chinese, Hong Kong or Japanese riichi mahjong, or mahjong solitaire.

Tools

Skills

1 in the ChatGPT listing

• Get startedUse when someone wants to learn, practice or get help with American mah jongg (the game played with the yearly NMJL card), including the Charleston, reading a rack, or a term.