MahjongHandbook — American NMJL, MCR & Riichi Mahjong Scoring Rules Engine MCP Server
MahjongHandbook — American NMJL, MCR & Riichi Mahjong Scoring Rules Engine is answering right now. Last checked 8 min ago. It exposes 4 tools. Last commit 11 Nov 2026.
Query American NMJL, Chinese Official MCR (81 Fan) & Japanese Riichi Mahjong scoring rules.
What changed 14
Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 10 November 2026. No other catalogue keeps this.
Nothing serious here today
Today is the operative word: we check MahjongHandbook — American NMJL, MCR & Riichi Mahjong Scoring Rules Engine every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Connect this server
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 8 min ago.
claude mcp add mcp --transport http https://mahjonghandbook.com/api/mcphttps://mahjonghandbook.com/api/mcp[mcp_servers.mcp]
url = "https://mahjonghandbook.com/api/mcp"{
"mcpServers": {
"mcp": {
"url": "https://mahjonghandbook.com/api/mcp"
}
}
}{
"servers": {
"mcp": {
"type": "http",
"url": "https://mahjonghandbook.com/api/mcp"
}
}
}Available tools 4
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
lookup_american_charleston_sequence
lookup_mahjong_scoring_rules
check_nmjl_joker_legality
check_riichi_furiten_and_yaku
Endpoints
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://mahjonghandbook.com/api/mcp | streamable-http | answering | 163 ms | 8 min ago |
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MahjongHandbook — American NMJL, MCR & Riichi Mahjong Scoring Rules Engine — questions
Answers built from our own checks of this server.