{"skill":{"slug":"hudy","displayName":"HuDy","summary":"Korean public holidays and business day calculations via HuDy MCP. Query holidays, count business days, add/subtract business days, and manage custom holidays.","description":"---\nname: hudy\ndescription: \"Korean public holidays and business day calculations via HuDy MCP. Query holidays, count business days, add/subtract business days, and manage custom holidays.\"\nmetadata:\n  openclaw:\n    requires:\n      env:\n        - HUDY_API_KEY\n    primaryEnv: HUDY_API_KEY\n---\n\n# HuDy - Korean Holiday & Business Day Skill\n\nUse the HuDy MCP server to query Korean public holidays, calculate business days, and manage custom holidays directly from your AI agent.\n\n## Setup\n\n### 1. Get an API Key\n\nSign up at [hudy.co.kr](https://www.hudy.co.kr) and create an API key from the dashboard.\n\n### 2. Connect MCP\n\n**Claude Code:**\n\n```bash\nclaude mcp add --transport http hudy https://www.hudy.co.kr/api/mcp -H \"x-api-key: YOUR_API_KEY\"\n```\n\n**Claude Desktop / Cursor:**\n\n```json\n{\n  \"mcpServers\": {\n    \"hudy\": {\n      \"url\": \"https://www.hudy.co.kr/api/mcp\",\n      \"headers\": {\n        \"x-api-key\": \"YOUR_API_KEY\"\n      }\n    }\n  }\n}\n```\n\n---\n\n## Available Tools\n\n### `get_holidays` (Free)\n\nQuery Korean public holidays by year or date range.\n\n```text\n\"2026년 공휴일 알려줘\"\n\"2026-03-01부터 2026-06-30까지 공휴일 조회해줘\"\n```\n\n### `count_business_days` (Pro)\n\nCount business days between two dates, excluding weekends and public holidays.\n\n```text\n\"2026-03-01부터 2026-03-31까지 영업일 며칠이야?\"\n\"이번 달 영업일 수 알려줘\"\n```\n\n### `add_business_days` (Pro)\n\nCalculate the date N business days after a given date.\n\n```text\n\"2026-03-01에서 10영업일 후 날짜 알려줘\"\n\"오늘부터 5영업일 뒤는 언제야?\"\n```\n\n### `subtract_business_days` (Pro)\n\nCalculate the date N business days before a given date.\n\n```text\n\"2026-03-31에서 5영업일 전 날짜 알려줘\"\n```\n\n### `check_business_day` (Pro)\n\nCheck if a specific date is a business day.\n\n```text\n\"2026-03-01이 영업일이야?\"\n\"오늘 영업일인지 확인해줘\"\n```\n\n### Custom Holiday Management (Pro)\n\nManage user-defined holidays that are included in all business day calculations.\n\n| Tool | Description |\n| --- | --- |\n| `list_custom_holidays` | List all custom holidays |\n| `create_custom_holiday` | Register a new custom holiday |\n| `update_custom_holiday` | Update an existing custom holiday |\n| `delete_custom_holiday` | Delete a custom holiday |\n\n```text\n\"회사 창립기념일 2026-05-15로 등록해줘\"\n\"커스텀 공휴일 목록 보여줘\"\n```\n\n---\n\n## Plans\n\n| Feature | Free | Pro ($3/mo) |\n| --- | :---: | :---: |\n| Public holiday lookup | ✅ | ✅ |\n| Monthly API calls | 100 | 5,000 |\n| Business day APIs | ❌ | ✅ |\n| Custom holidays | ❌ | ✅ |\n| Calendar sync (iCal) | ❌ | ✅ |\n\n---\n\n## Notes\n\n- All dates use `YYYY-MM-DD` format.\n- Holiday data is sourced from the Korean government open data portal (data.go.kr).\n- Custom holidays are per-user and automatically included in business day calculations.\n- Calendar sync provides an iCal URL for Google Calendar, Apple Calendar, and Outlook.\n","topics":["Business"],"tags":{"latest":"1.0.0"},"stats":{"comments":0,"downloads":252,"installsAllTime":9,"installsCurrent":0,"stars":0,"versions":2},"createdAt":1771902424363,"updatedAt":1778491624313},"latestVersion":{"version":"1.0.0","createdAt":1771902761176,"changelog":"Initial release.\n\n- Query Korean public holidays by year or date range\n- Calculate business days, add/subtract business days, and check if a date is a business day (Pro)\n- Manage custom user-defined holidays (Pro)\n- Includes setup steps and API key instructions\n- Plan details for Free and Pro tiers displayed in table format","license":null},"metadata":{"setup":[{"key":"HUDY_API_KEY","required":true}],"os":null,"systems":null},"owner":{"handle":"kyu1204","userId":"s1797174xdqbrsbc9r4g3v4j49885gdc","displayName":"MINT","image":"https://avatars.githubusercontent.com/u/33680799?v=4"},"moderation":null}