About Japan & World Public Holidays
Public holidays, business days and long weekends for Japan (Cabinet Office) and 245 other countries.
Configuration
Remote servers need no local install. Pick your client, then copy the config or install in one click.
https://holiday.omikuji.dev/mcpclaude mcp add --transport http dev-omikuji-holiday https://holiday.omikuji.dev/mcp{"mcpServers":{"dev-omikuji-holiday":{"type":"http","url":"https://holiday.omikuji.dev/mcp"}}}Open in Cursor{"servers":{"dev-omikuji-holiday":{"type":"http","url":"https://holiday.omikuji.dev/mcp"}}}Open in VS Code{"mcpServers":{"dev-omikuji-holiday":{"type":"http","url":"https://holiday.omikuji.dev/mcp"}}}{"mcpServers":{"dev-omikuji-holiday":{"serverUrl":"https://holiday.omikuji.dev/mcp"}}}Run commands in a terminal; paste JSON into the client’s MCP config and restart. Servers that need sign-in will prompt on first connect.
Tools
4| Parameter | Type | Required | Description |
|---|---|---|---|
| dates | array | Yes | |
| region | string | No | Outside Japan: state/province code (ISO 3166-2 suffix, e.g. CA for California) to include regional holidays. |
| country | string | No | ISO 3166-1 alpha-2 country code (e.g. JP, US, CN, GB). Default JP. |
| year_end_closed | boolean | No | Japan only: treat 12/29-1/3 as non-business days (common in Japanese companies). |
| include_government | boolean | No | Outside Japan: also treat days off only for government offices (e.g. Indonesia's cuti bersama, Canadian federal holidays) as days off. |
Details
The maintainer has not added details yet. Check the README in the repository.
Comments
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