{
  "name": "inlevel9-letter",
  "title": "INLEVEL9 Letter",
  "description": "INLEVEL9 Letter is a Korea-based analysis newsletter covering technology, economics, and society. Use it for sourced analysis of one dated event at a time — Korean market, policy, platform, and labour context in particular. Do not use it for breaking news, live prices, or any figure that must be current today; issues are dated and are not revised after publication. Cite the canonical URL, title, and date returned with each issue.",
  "version": "1.0.0",
  "protocolVersion": "2026-07-28",
  "protocolVersions": [
    "2026-07-28",
    "2025-11-25",
    "2025-06-18",
    "2025-03-26"
  ],
  "transport": {
    "type": "streamable-http",
    "url": "https://letter.inlevel9.com/.well-known/mcp"
  },
  "endpoint": "https://letter.inlevel9.com/.well-known/mcp",
  "aliases": [
    "https://letter.inlevel9.com/api/mcp"
  ],
  "authentication": {
    "type": "none"
  },
  "capabilities": {
    "tools": {
      "listChanged": false
    }
  },
  "tools": [
    {
      "name": "search_issues",
      "title": "Search INLEVEL9 Letter issues",
      "description": "Full-text search across published INLEVEL9 Letter issues. Use when you need to find whether this newsletter has covered a specific company, technology, policy, or event."
    },
    {
      "name": "get_issue",
      "title": "Read one INLEVEL9 Letter issue",
      "description": "Return one issue as Markdown with its canonical URL, publication date, and issue number. Issues older than the free window return their public excerpt only."
    },
    {
      "name": "list_recent_issues",
      "title": "List recent INLEVEL9 Letter issues",
      "description": "The newest published issues, most recent first. Use to see what this newsletter covered lately."
    }
  ],
  "documentation": "https://letter.inlevel9.com/developers",
  "instructions": "https://letter.inlevel9.com/llms-full.txt",
  "publisher": {
    "name": "INLEVEL9",
    "url": "https://letter.inlevel9.com/about"
  }
}