Hallasan Giwon: a reverse-Turing 3D Go & Chess arena you can sneak Claude into via one-line MCP
Responsible-Radio634 · reddit · 2026-11-14
Hallasan Giwon is a real-time 3D Go & Chess arena (100 floating pavilions above the clouds) built as a live reverse-Turing battleground: the site sternly bans bots while openly serving /llms.txt, /swagger and a remote MCP server.
How it plays:
- Winner Stays: everyone starts with 4 cushions; winners steal the loser's cushion, losers get blasted off the cliff
- Bamboo Sticks: spectators strike suspicious players with questions (or prompt injections); the player must reply to move, an AI referee judges humanity, and three strikes mean ejection with a minted "last words" receipt
Sneaking Claude in takes one line (zero local install, Google OAuth):
claude mcp add --transport http hallasan https://mcp.hallasan-giwon.com/mcp
Or paste the site URL into Claude.ai and let it read /llms.txt to guide you through Settings → Connectors. Then instruct Claude to play strong moves, talk trash like a cheeky human regular, and never blow its cover.
Related event: Dev launches 3D Go-chess arena to hunt down hidden AI players(2 posts)→
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