mcp-turtle-noir

MCP server for Turtle Soup (lateral thinking puzzles).

This package is a thin MCP layer over Turtle Noir backend APIs and is designed for stdio transport.

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• start_session: start a new puzzle session
• ask_question: ask one question and receive a structured result
• give_up_and_reveal: reveal the solution (subject to backend reveal policy)
• Multilingual MCP output (zh-CN, en-US, ja-JP) via language
• Keeps puzzle solutions on the backend during normal gameplay

• Supported: stdio
• Not included in this package: SSE/HTTP MCP transport

• Node.js 18+

npx -y mcp-turtle-noir

{
  "mcpServers": {
    "turtle-noir": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-turtle-noir"
      ]
    }
  }
}

With environment variables:

{
  "mcpServers": {
    "turtle-noir": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-turtle-noir"
      ],
      "env": {
        "TURTLE_NOIR_API_BASE_URL": "https://turtlenoir.com/api/mcp",
        "TURTLE_NOIR_API_TIMEOUT_MS": "10000",
        "TURTLE_NOIR_API_KEY": "YOUR_API_KEY"
      }
    }
  }
}

Input (all optional):

{
  "region": "US",
  "keyword": "island",
  "language": "en-US"
}

Output:

{
  "session_id": "...",
  "puzzle_id": "...",
  "title": "...",
  "content": "...",
  "language": "en-US",
  "instruction": "...",
  "translation_instruction": "..."
}

Input:

{
  "session_id": "...",
  "question": "...",
  "language": "en-US"
}

Output:

{
  "session_id": "...",
  "language": "en-US",
  "answer_key": "irrelevant",
  "answer": "Irrelevant",
  "answer_original": "...",
  "short_reason": "...",
  "solved": false,
  "progress": 35,
  "translation