com.mahjonghandbook/mcp

up checked 2026-11-11T07:38:39.812Z

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Publisher-provided title

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

Publisher-provided description

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

Summary by lookupd

Looks up American NMJL, Chinese MCR and Riichi mahjong rules, including Joker legality, furiten and yaku checks, and Charleston passing.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http mcp https://mahjonghandbook.com/api/mcp

Codex, remote (streamable-http)

codex mcp add mcp --url https://mahjonghandbook.com/api/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "mcp": {
      "url": "https://mahjonghandbook.com/api/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Publisher-provided text

lookup_mahjong_scoring_rules Compare high-level regional ruleset structures (tile deck size 136 vs 144 vs 152, hand length, and minimum Fan/point entry thresholds) across American, Chinese
lookup_american_charleston_sequence Retrieve exact pre-game tile passing directions (Right, Across, Left), blind pass rules, and Courtesy Pass negotiation steps prior to the first discard in Ameri
check_nmjl_joker_legality Validate whether an American Mahjong Joker tile can legally substitute inside a specific meld size (1 to 6 tiles) and retrieve exposed Joker live-turn swap rule
check_riichi_furiten_and_yaku Evaluate Japanese Riichi Mahjong discard/temporary Furiten Ron restrictions and verify whether a hand satisfies the mandatory 1-Yaku win condition independent o

Shows this live status and links here; updates hourly.

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