Use Mahjong Riichi Scoring with your AI.
Connect your account once and let the AI you already use work with it, without building another integration. Deterministic Japanese Riichi Mahjong scoring calculator.
Developed, maintained, and hosted by Vinkius.
MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED
Waiting for input…
Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.
Complete set · 3 capabilities
The complete Mahjong Riichi Scoring capability set.
These are the exact actions your AI can choose when you ask it to work with Mahjong Riichi Scoring.
01-03
3 capabilities in this set.
Part of 3 available through Mahjong Riichi Scoring.
- 01
Calculate final score
The primary entry point to calculate the total points gained by the winner and the distribution of losses
- 02
Calculate score tier
Identifies which scoring plateau (Mangan, Haneman, etc.) a hand falls into
- 03
Get payout distribution
Determines exactly how many points each player must pay based on the win type and dealer status
Observed, not estimated
794ms average. Fast in production.
Mahjong Riichi Scoring is checked daily against the live service.
- Fastest day
- 565ms
- Slowest day
- 945ms
- 14-day trend
- Slowing+23%
Connect your client
One URL. Every client.
Activate the Connector, copy your link, and paste it into the client you already use. 3 capabilities arrive ready to run.
Preview access · not provider authentication
The vk_preview_* token belongs to Vinkius preview infrastructure. It lets Claude discover and display the capabilities of Mahjong Riichi Scoring, so you can see the experience inside your AI.
It does not authenticate your account with Mahjong Riichi Scoring. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.
Mahjong Riichi Scoring Connector
You're all set. Choose your MCP client and follow the setup instructions.
https://edge.vinkius.com/vk_preview_qDEK8YB5ElCk0O0Dk9NO0kpG8LhoidCo2wBSp7XE/mcpClaude Desktop
Follow the steps below to connect in seconds.
- 1In Claude Desktop, open Settings → Connectors.
- 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
- 3Click Add and start a new chat — Mahjong Riichi Scoring capabilities are ready to use.
{
"mcpServers": {
"mahjong-riichi-scoring-mcp": {
"url": "https://edge.vinkius.com/vk_preview_qDEK8YB5ElCk0O0Dk9NO0kpG8LhoidCo2wBSp7XE/mcp"
}
}
}
Claude
ChatGPT
Cursor
VS Code
Windsurf
Claude Code
JetBrains
Cline
Step-by-step instructions for each client are in the guide. How to connect
FAQ
Questions Mahjong Riichi Scoring owners ask.
- 01
How does the scoring handle dealer status?
The capability accounts for dealer status in the get_payout_distribution logic, ensuring that in a Tsumo win, the dealer pays a different amount than non-dealers.
- 02
What are the scoring plateaus?
The server implements standard Riichi plateaus including Mangan, Haneman, Baiman, Sanbaiman, and Yakuman via the calculate_score_tier capability.
- 03
Can I calculate the exact points for a specific hand?
Yes, by using the calculate_final_score capability with the number of han, fu, dealer status, and win type.
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